K Okada

Summary

Affiliation: Akita University School of Medicine
Country: Japan

Publications

  1. doi Points to notice during the diagnosis of soft tissue tumors according to the "Clinical Practice Guideline on the Diagnosis and Treatment of Soft Tissue Tumors"
    Kyoji Okada
    Akita University Graduate School of Health Science, Hondo 1 1 1, Akita 010 8543, Japan Electronic address
    J Orthop Sci 21:705-712. 2016
  2. doi Primary (de novo) dedifferentiated liposarcoma in the extremities: a multi-institution Tohoku Musculoskeletal Tumor Society study of 18 cases in northern Japan
    Kyoji Okada
    Department of Physical Therapy, Akita University Graduate School of Health Sciences, Akita 010 8543, Japan
    Jpn J Clin Oncol 41:1094-100. 2011
  3. ncbi Enhanced antitumor effect of ultrasound in the presence of piroxicam in a mouse air pouch model
    Kyoji Okada
    Department of Orthopedic Surgery, Akita University School of Medicine, Akita 010 8543, Japan
    Jpn J Cancer Res 93:216-22. 2002
  4. ncbi Discal cyst associated with myxoid change and apoptosis of herniated disc materials: a case report
    Kyoji Okada
    Department of Orthopedic Surgery, Section of Neuro and Locomotor Science, Akita University School of Medicine, Akita City, Akita, Japan
    Ups J Med Sci 112:39-47. 2007
  5. ncbi Clinical relevance of pathological grades of malignant peripheral nerve sheath tumor: a multi-institution TMTS study of 56 cases in Northern Japan
    Kyoji Okada
    Tohoku Musculoskeletal Tumor Society, Yamagata, Japan
    Ann Surg Oncol 14:597-604. 2007
  6. pmc Dedifferentiated chondrosarcoma with telangiectatic osteosarcoma-like features
    K Okada
    Department of Orthopedic Surgery, Akita University School of Medicine, Akita, Japan
    J Clin Pathol 59:1200-2. 2006
  7. ncbi Congenital pseudoarthrosis of the tibia treated with low-intensity pulsed ultrasound stimulation (LIPUS)
    Kyoji Okada
    Department of Orthopedic Surgery, Akita University School of Medicine, Akita, Japan
    Ultrasound Med Biol 29:1061-4. 2003
  8. pmc Osteosarcoma with cytokeratin expression: a clinicopathological study of six cases with an emphasis on differential diagnosis from metastatic cancer
    K Okada
    Department of Orthopedic Surgery, Akita University School of Medicine, Akita 010 8543, Japan
    J Clin Pathol 56:742-6. 2003
  9. ncbi Osteosarcomas after the age of 50: a clinicopathologic study of 64 cases--an experience in northern Japan
    Kyoji Okada
    Department of Orthopedic Surgery, Akita University School of Medicine, 1 1 1 Hondo, Akita 010 8543 Japan
    Ann Surg Oncol 11:998-1004. 2004
  10. ncbi Second primary osteosarcoma with rosette-like structure in a patient with retinoblastoma
    Kyoji Okada
    Department of Orthopedic Surgery, Akita University School of Medicine, Hondo 1 1 1, Akita 010 8543 Akita, Japan
    Virchows Arch 445:421-4. 2004

Collaborators

Detail Information

Publications72

  1. doi Points to notice during the diagnosis of soft tissue tumors according to the "Clinical Practice Guideline on the Diagnosis and Treatment of Soft Tissue Tumors"
    Kyoji Okada
    Akita University Graduate School of Health Science, Hondo 1 1 1, Akita 010 8543, Japan Electronic address
    J Orthop Sci 21:705-712. 2016
    ..Furthermore, an excisional biopsy should only be carried out after imaging studies are complete...
  2. doi Primary (de novo) dedifferentiated liposarcoma in the extremities: a multi-institution Tohoku Musculoskeletal Tumor Society study of 18 cases in northern Japan
    Kyoji Okada
    Department of Physical Therapy, Akita University Graduate School of Health Sciences, Akita 010 8543, Japan
    Jpn J Clin Oncol 41:1094-100. 2011
    ..Dedifferentiated liposarcomas usually occur in the retroperitoneal space and relatively rarely in the extremities...
  3. ncbi Enhanced antitumor effect of ultrasound in the presence of piroxicam in a mouse air pouch model
    Kyoji Okada
    Department of Orthopedic Surgery, Akita University School of Medicine, Akita 010 8543, Japan
    Jpn J Cancer Res 93:216-22. 2002
    ..The findings suggest that piroxicam enhances the anti-tumor effects of ultrasound in vivo by increasing the production of singlet oxygen without damage to tissue surrounding the tumor...
  4. ncbi Discal cyst associated with myxoid change and apoptosis of herniated disc materials: a case report
    Kyoji Okada
    Department of Orthopedic Surgery, Section of Neuro and Locomotor Science, Akita University School of Medicine, Akita City, Akita, Japan
    Ups J Med Sci 112:39-47. 2007
    ..The current case was considered a histological variant of discal cyst. Myxoid degeneration of herniated disc material with diffuse apoptotic change of chondrocytes was probably associated with the formation of discal cyst...
  5. ncbi Clinical relevance of pathological grades of malignant peripheral nerve sheath tumor: a multi-institution TMTS study of 56 cases in Northern Japan
    Kyoji Okada
    Tohoku Musculoskeletal Tumor Society, Yamagata, Japan
    Ann Surg Oncol 14:597-604. 2007
    ..Malignant peripheral nerve sheath tumor (MPNST) is a relatively rare soft tissue tumor, and its clinical relevance of pathological grades remains obscure...
  6. pmc Dedifferentiated chondrosarcoma with telangiectatic osteosarcoma-like features
    K Okada
    Department of Orthopedic Surgery, Akita University School of Medicine, Akita, Japan
    J Clin Pathol 59:1200-2. 2006
    ..Dedifferentiated chondrosarcoma should be included in the differential diagnosis of osteolytic tumours with focal calcification and endosteal scalloping even if an extraosseous tumour component is not identified...
  7. ncbi Congenital pseudoarthrosis of the tibia treated with low-intensity pulsed ultrasound stimulation (LIPUS)
    Kyoji Okada
    Department of Orthopedic Surgery, Akita University School of Medicine, Akita, Japan
    Ultrasound Med Biol 29:1061-4. 2003
    ..At 6 months after the treatment, a small amount of bridging callus was seen. We continued the treatment for 1 year until the solid fusion was observed on radiographs and the patient started full-weight-bearing...
  8. pmc Osteosarcoma with cytokeratin expression: a clinicopathological study of six cases with an emphasis on differential diagnosis from metastatic cancer
    K Okada
    Department of Orthopedic Surgery, Akita University School of Medicine, Akita 010 8543, Japan
    J Clin Pathol 56:742-6. 2003
    ..To clarify the clinicopathological profile of osteosarcomas showing an intensely positive immunoreaction for cytokeratin...
  9. ncbi Osteosarcomas after the age of 50: a clinicopathologic study of 64 cases--an experience in northern Japan
    Kyoji Okada
    Department of Orthopedic Surgery, Akita University School of Medicine, 1 1 1 Hondo, Akita 010 8543 Japan
    Ann Surg Oncol 11:998-1004. 2004
    ..The clinicopathologic profile and prognostic factors of osteosarcomas after the age of 50 years have been obscure...
  10. ncbi Second primary osteosarcoma with rosette-like structure in a patient with retinoblastoma
    Kyoji Okada
    Department of Orthopedic Surgery, Akita University School of Medicine, Hondo 1 1 1, Akita 010 8543 Akita, Japan
    Virchows Arch 445:421-4. 2004
    ..It is well known that a few osteosarcomas show a rosette-like appearance with production of osteoid in the center, but this is the first case of second primary osteosarcoma with prominent rosette-like features...
  11. ncbi A low-grade extraskeletal osteosarcoma
    Kyoji Okada
    Department of Orthopedic Surgery, Akita University School of Medicine, 1 1 1 Hondo, Akita 010 8543, Japan
    Skeletal Radiol 32:165-9. 2003
    ..The average percentage of cells positive for MIB-1 was 9.0%. A diagnosis of low-grade extraskeletal osteosarcoma was made on the basis of these histologic findings. The clinical course 47 months after a wide excision was uneventful...
  12. pmc Prognostic relevance of rosette-like features in osteosarcoma
    K Okada
    Department of Orthopaedic Surgery, Akita University School of Medicine, Akita 010 8543, Japan
    J Clin Pathol 56:831-4. 2003
    ..To clarify the prognostic relevance of rosette-like features and other clinicopathological and immunohistochemical variables in patients with osteosarcoma...
  13. ncbi Hypertrophic dens resulting in cervical myelopathy: histologic features of the hypertrophic dens
    K Okada
    Department of Orthopedic Surgery, Akita University School of Medicine, Akita, Japan
    Spine (Phila Pa 1976) 25:1303-7. 2000
    ..A case report of a 43-year-old woman who had hypertrophic dens in the developmentally narrow atlas ring that resulted in cervical myelopathy...
  14. ncbi Prevention of lung metastasis by intra-tumoral injection of Cepharanthin and staphylococcal enterotoxin B in transplantable rat osteosarcoma
    K Okada
    Department of Orthopedic Surgery, Akita University School of Medicine
    Jpn J Cancer Res 90:928-33. 1999
    ..These findings indicate that intra-tumoral injection of Cepharanthin and staphylococcal enterotoxin B induced infiltration of TRAP-positive multinucleated giant cells within the transplanted rat osteosarcoma, and reduced lung metastasis...
  15. ncbi Membranocystic lesion in lumbar yellow ligament
    K Okada
    Department of Orthopaedics, Akita University School of Medicine, Japan
    Spine (Phila Pa 1976) 24:1147-50. 1999
    ..An examination of surgical cases of membranocystic lesions in the lumbar yellow ligament between the fourth and fifth lumbar vertebrae...
  16. ncbi Cartilaginous membranocystic lesions mimicking membranous lipodystrophy of bone
    K Okada
    Department of Orthopedics, Akita University School of Medicine, Japan
    Pathol Int 48:384-8. 1998
    ..The chondrocytes and nuclei in membranocystic lesions were stained positively for S-100 protein. It is suggested that the membranocystic lesions in the cartilaginous tissue were associated with the degeneration of the chondrocytes...
  17. ncbi Rosette-forming epithelioid osteosarcoma: a histologic subtype with highly aggressive clinical behavior
    K Okada
    Department of Orthopaedics, Akita University School of Medicine, Akita, Japan
    Hum Pathol 32:726-33. 2001
    ..We believe rosette formation in osteosarcomas of long tubular bones is an ominous sign; therefore, those tumors should be distinguished from osteosarcomas with conventional morphotypes...
  18. ncbi Os odontoideum with posterior atlantoaxial instability
    N Shirasaki
    Department of Orthopaedic Surgery, Kagawa Medical School, Japan
    Spine (Phila Pa 1976) 16:706-15. 1991
    ....
  19. ncbi Pseudohypoparathyroidism-associated spinal stenosis
    K Okada
    Department of Orthopaedics, Akita University School of Medicine, Japan
    Spine (Phila Pa 1976) 19:1186-9. 1994
    ..RESULTS. His symptoms have gradually improved during the 1-year and 6-month periods after the surgery. CONCLUSIONS. A case of pseudohypoparathyroidism-associated spinal stenosis was reported...
  20. ncbi Anterior decompression of foraminal stenosis below a lumbosacral transitional vertebra. A case report
    E Abe
    Department of Orthopaedic Surgery, Akita University School of Medicine, Japan
    Spine (Phila Pa 1976) 22:823-6. 1997
    ..An anterior approach to the decompression of far-out foraminal stenosis below a lumbosacral transitional vertebra is a relatively simple and effective method...
  21. ncbi Selective en bloc resection of osteoid osteoma of the superior articular process of the sacral spine. A case report
    E Abe
    Department of Orthopedic Surgery, Akita University School of Medicine, Japan
    Spine (Phila Pa 1976) 18:2336-9. 1993
    ..The paraspinal approach readily facilitated complete excision of the tumoral nidus with minimal surgical dissection...
  22. ncbi Cervical spondylotic myelopathy in the aged patient. A radiographic evaluation of the aging changes in the cervical spine and etiologic factors of myelopathy
    H Hayashi
    Department of Orthopaedic Surgery, Kagawa Medical School, Japan
    Spine (Phila Pa 1976) 13:618-25. 1988
    ..Morphologically, the high prevalence of cord atrophy was seen on computed tomography-myelography in the aged patients. This indicated severe pathologic changes in the cervical spinal cord, and its prognosis was considered to be poor...
  23. ncbi Thoracic myelopathy caused by ossification of the ligamentum flavum. Clinicopathologic study and surgical treatment
    K Okada
    Department of Orthopaedic Surgery, Kagawa Medical School, Japan
    Spine (Phila Pa 1976) 16:280-7. 1991
    ..Therefore, laminoplasty is recommended as a successful procedure for OLF-related thoracic myelopathy, avoiding further local mechanical stress due to tensile force...
  24. ncbi Chondroblastoma of a metacarpal bone mimicking an aneurysmal bone cyst: a case report and a review of the literature
    T Kudo
    Department of Orthopaedics, Akita University School of Medicine, Japan
    Tohoku J Exp Med 194:251-7. 2001
    ..Good clinical results was obtained by the subtotal resection of the metacarpal bone with a columnar-shaped iliac bone graft...
  25. ncbi Effect of low-intensity back exercise on quality of life and back extensor strength in patients with osteoporosis: a randomized controlled trial
    M Hongo
    Division of Orthopedic Surgery, Department of Neuro and Locomotor Science, Akita University School of Medicine, 1 1 1 Hondo, Akita 0108543, Japan
    Osteoporos Int 18:1389-95. 2007
    ..Low-intensity back-strengthening exercise was effective in improving the quality of life and back extensor strength...
  26. ncbi Periosteal Ewing's sarcoma: radiological imaging and histological features
    M Hatori
    Department of Orthopaedic Surgery, Tohoku University School of Medicine, Sendai, Japan
    Arch Orthop Trauma Surg 121:594-7. 2001
    ..Chemotherapy and/or irradiation was employed before and after wide excision. The patients have survived an average of 6 years after the primary surgery...
  27. ncbi Pathogenesis of the gradually elongated nerve
    K Ikeda
    Department of Orthopaedic Surgery, School of Medicine, Kanazawa University, Japan
    Hand Surg 6:167-75. 2001
    ..A speed of 2.0 mm/day, therefore, appears to be critical for safe nerve elongation in this model...
  28. ncbi Expression of growth factors in the early phase of supraspinatus tendon healing in rabbits
    Moto Kobayashi
    Department of Orthopedic Surgery, Akita University School of Medicine, Akita, Japan
    J Shoulder Elbow Surg 15:371-7. 2006
    ..It is likely that each of these growth factors plays a role in the early phase of healing of the supraspinatus tendon in rabbits...
  29. ncbi Attachment types of the long head of the biceps tendon to the glenoid labrum and their relationships with the glenohumeral ligaments
    Yilihamu Tuoheti
    Department of Orthopedic Surgery, Akita University School of Medicine, Akita, Japan
    Arthroscopy 21:1242-9. 2005
    ..To clarify the attachment types of the long head of the biceps tendon to the glenoid labrum and their relationships with the glenoid attachment of the glenohumeral ligaments. TYPES OF STUDY: Anatomic study in cadavers...
  30. ncbi Doxorubicin-loaded calcium phosphate cement in the management of bone and soft tissue tumors
    Takayuki Tani
    Department of Orthopedic Surgery, Akita University School of Medicine, Akita, Japan
    In Vivo 20:55-60. 2006
    ..These results indicate that doxorubicin-loaded CPC may be useful in the local treatment of malignant bone and soft tissue tumors...
  31. ncbi Imaging characteristics of deep-seated lipomatous tumors: intramuscular lipoma, intermuscular lipoma, and lipoma-like liposarcoma
    Jun Nishida
    Department of Orthopaedic Surgery, School of Medicine, Iwate Medical University, 19 1 Uchimaru, Morioka, 020 8505, Japan
    J Orthop Sci 12:533-41. 2007
    ..The purpose of this study was to elucidate the differences among the deep-seated adipocytic neoplasms including intramuscular lipoma, intermuscular lipoma, and lipoma-like liposarcoma...
  32. ncbi Does reaching the back reflect the actual internal rotation of the shoulder?
    Ikuko Wakabayashi
    Department of Orthopedic Surgery, Akita University School of Medicine, Akita, Japan
    J Shoulder Elbow Surg 15:306-10. 2006
    ..We recommend that the level of the thumb below the buttock be subdivided for more accurate assessment of internal rotation...
  33. ncbi Effect of rotator interval closure on glenohumeral stability and motion: a cadaveric study
    Nobuyuki Yamamoto
    Division of Orthopedic Surgery, Department of Neuro and Locomotor Science, Akita University School of Medicine, Akita, Japan
    J Shoulder Elbow Surg 15:750-8. 2006
    ..Rotator interval closure is expected to reduce remnant anterior/posterior instability and thereby improve the clinical outcomes of arthroscopic stabilization procedures...
  34. ncbi Intraosseous malignant peripheral nerve sheath tumor with focal epithelioid differentiation of the thoracic spine
    Naohisa Miyakoshi
    Department of Orthopedic Surgery, Akita University School of Medicine, Akita 010 8543, Japan
    Neurol India 55:64-6. 2007
    ..This is the first case report of intraosseous MPNST of the spine with a peculiar biphasic appearance...
  35. ncbi Glenohumeral joint motion after medial shift of the attachment site of the supraspinatus tendon: a cadaveric study
    Nobuyuki Yamamoto
    Division of Orthopedic Surgery, Department of Neuro and Locomotor Science, Akita University School of Medicine, Akita, Japan
    J Shoulder Elbow Surg 16:373-8. 2007
    ..We conclude that significant restriction of joint motion occurs when a bony trough is created more than 10 mm medial to the cuff attachment site...
  36. ncbi Skeletal recurrences and metastases of extraskeletal myxoid chondrosarcoma
    Shigeru Ehara
    Department of Radiology, Iwate Medical University School of Medicine, 19 1 Uchimaru, Morioka 020 8505, Japan
    Skeletal Radiol 36:823-7. 2007
    ..The objective was to elucidate clinical and imaging features of skeletal involvement, recurrences, and metastases of extraskeletal myxoid chondrosarcoma...
  37. ncbi Cross-sectional area of the tendon and the muscle of the biceps brachii in shoulders with rotator cuff tears: a study of 14 cadaveric shoulders
    Aizawa Toshiaki
    Department of Orthopedic Surgery, Akita University School of Medicine, Japan
    Acta Orthop 76:509-12. 2005
    ..The intraarticular portion of the long head of the biceps tendon is often widened in shoulders with cuff tears. It is unclear whether this is a local phenomen or is caused by muscle hypertrophy...
  38. ncbi Contact between the glenoid and the humeral head in abduction, external rotation, and horizontal extension: a new concept of glenoid track
    Nobuyuki Yamamoto
    Division of Orthopedic Surgery, Department of Neuro and Locomotor Science, Akita University School of Medicine, Akita, Japan
    J Shoulder Elbow Surg 16:649-56. 2007
    ..4 +/- 2.5 mm medial from the footprint, which was equivalent to 84% +/- 14% of the glenoid width. A Hill-Sachs lesion has a risk of engagement and dislocation if it extends medially over the medial margin of the glenoid track...
  39. ncbi Antitumor effect of acridine orange under ultrasonic irradiation in vitro
    Norio Suzuki
    Division of Orthopedic Surgery, Department of Neuro and Locomotor Science, Akita University School of Medicine, Hondo 1 1 1, Akita 010 8543, Japan
    Anticancer Res 27:4179-84. 2007
    ..Sonodynamic synergistic antitumor therapy is a promising new methodology for cancer treatment...
  40. ncbi Osteosarcoma of the proximal fibula. An analysis of 13 cases in the northern Japan
    Shu Takahashi
    Tohoku Musculoskeletal Tumor Society
    Ups J Med Sci 112:366-72. 2007
    ..As well as resection of the proximal fibula, our results indicate that osteosarcoma of the proximal fibula has a good prognosis for cases who undergo adequate initial surgery...
  41. ncbi Effects of intraarticular administration of basic fibroblast growth factor with hyaluronic acid on osteochondral defects of the knee in rabbits
    Naohisa Miyakoshi
    Department of Orthopedic Surgery, Akita University School of Medicine, 1 1 1 Hondo, Akita 010 8543, Japan
    Arch Orthop Trauma Surg 125:683-92. 2005
    ..We evaluated the effects of intraarticular injection of bFGF with hyaluronic acid (HA) on osteochondral repair and the potential carrier role of HA in this treatment...
  42. ncbi Contact area, contact pressure, and pressure patterns of the tendon-bone interface after rotator cuff repair
    Yilihamu Tuoheti
    Department of Orthopedic Surgery, Akita University School of Medicine, Hondo 1 1 1, Akita 010 8543, Japan
    Am J Sports Med 33:1869-74. 2005
    ..The contact pressure and contact area at the tendon-bone interface after the most commonly used rotator cuff repair methods have not been investigated...
  43. ncbi Evaluating benign and malignant musculoskeletal lesions with radionuclide angiography and SPECT using Tc-99m MIBI
    Koichi Ishiyama
    Department of Radiology, Akita University School of Medicine, Akita, Japan
    Clin Nucl Med 30:598-603. 2005
    ..The purpose of this study was to evaluate the use of radionuclide angiography and single photon emission computed tomography (SPECT) using Tc-99m hexakis-2-methoxyisobutylisonitrile (Tc-99m MIBI) for analyzing musculoskeletal lesions...
  44. ncbi Good outcome for infant of mother treated with chemotherapy for ewing sarcoma at 25 to 30 weeks' gestation
    Wako Nakajima
    Department of Pediatrics, Akita University School of Medicine, Akita, Japan
    J Pediatr Hematol Oncol 26:308-11. 2004
    ..This case report supports the idea that in this situation, the pregnancy can be continued to await fetal growth, and second-trimester chemotherapy may not have a deleterious effect on the fetus...
  45. ncbi Skeletal muscle metastases of carcinoma: a clinicopathological study of 12 cases
    Yilihamu Tuoheti
    Department of Orthopedic Surgery, Akita University School of Medicine, 1 1 1 Hondo, Akita 010 8543, Japan
    Jpn J Clin Oncol 34:210-4. 2004
    ..To clarify the clinical and magnetic resonance (MR) imaging features of a rare condition of metastasis of carcinoma to skeletal muscle...
  46. ncbi Osteosarcoma occurring in osteogenesis imperfecta
    Shu Takahashi
    Department of Orthopedic Surgery, Section of Neuro and Locomotor Science, Akita University School of Medicine, Hondo 1 1 1, 010 8543 Akita, Japan
    Virchows Arch 444:454-8. 2004
    ..A biopsy is critical to establish the differential diagnosis between osteosarcoma and common hyperplastic callus formation in OI; however, it must be applied with great care...
  47. ncbi Ultrastructure of sarcoma 180 cells after ultrasound irradiation in the presence of sparfloxacin
    Deqing Huang
    Department of Orthopedic Surgery, Akita University School of Medicine, Akita 010 8543, Japan
    Anticancer Res 24:1553-9. 2004
    ..Sonodynamic synergistic antitumor effects have been well described to date, but detailed ultrastructural studies in this field are still lacking...
  48. ncbi Factors related to long-term outcome after decompressive surgery for ossification of the ligamentum flavum of the thoracic spine
    Naohisa Miyakoshi
    Department of Orthopedic Surgery, Akita University School of Medicine, Akita, Japan
    J Neurosurg 99:251-6. 2003
    ..To evaluate these factors, the authors reviewed medical records obtained in patients who had undergone decompressive surgery for thoracic OLF...
  49. ncbi Enhanced antitumor activity of ultrasonic irradiation in the presence of new quinolone antibiotics in vitro
    Deqing Huang
    Department of Orthopedic Surgery, Akita University School of Medicine and Pharmaceutical Science, Akita University Hospital, Akita 010 8543, Japan
    Cancer Sci 95:845-9. 2004
    ..These findings suggest that NQ antibiotics would exhibit useful antitumor activity under US irradiation, and that generation of singlet oxygen is involved in the process of cell damage...
  50. ncbi Osteoporotic vertebral fracture adjacent to a nonsegmented hemivertebra
    Naohisa Miyakoshi
    Department of Orthopedic Surgery, Akita University School of Medicine, 1 1 1 Hondo, Akita, 010 8543 Japan
    J Orthop Sci 8:733-6. 2003
    ..The vertebral fracture seemed to be induced by spinal malalignment, increased stress on the adjacent level of the fused segment, and its fragility due to osteoporosis...
  51. ncbi Multicentric osteosarcoma with long-term survival
    Toshiaki Aizawa
    Department of Orthopedic Surgery, Akita University School of Medicine, 1 1 1 Hondo, 010 8543, Japan
    Skeletal Radiol 33:41-5. 2004
    ..The patient was well at the latest follow-up in April 2003, with no evidence of local recurrence or distant metastasis, but recently renal dysfunction appeared...
  52. ncbi Ligamentum flavum hematoma in the rigid thoracic spinal segments: case report
    Naohisa Miyakoshi
    Department of Orthopedic Surgery, Akita University School of Medicine, Akita, Japan
    J Neurosurg Spine 2:495-7. 2005
    ....
  53. ncbi Factors related to spinal mobility in patients with postmenopausal osteoporosis
    Naohisa Miyakoshi
    Department of Orthopedic Surgery, Akita University School of Medicine, 1 1 1 Hondo, Akita, 010 8543, Japan
    Osteoporos Int 16:1871-4. 2005
    ..The present study suggests a possible association between BES and spinal mobility in patients with postmenopausal osteoporosis...
  54. ncbi Osteoid osteoma of the scapula associated with synovitis of the shoulder
    Yoshinori Ishikawa
    Department of Orthopaedic Surgery, Akita University, Japan
    J Shoulder Elbow Surg 14:329-32. 2005
  55. ncbi Effects of reducing resistance, repetitions, and frequency of back-strengthening exercise in healthy young women: a pilot study
    Michio Hongo
    Department of Orthopedic Surgery, Akita University School of Medicine, Akita, Japan
    Arch Phys Med Rehabil 86:1299-303. 2005
    ..To determine the effects of reducing intensity or frequency of back-strengthening exercise on back extensor strength...
  56. ncbi Nodular fasciitis of the finger
    Hiroaki Kijima
    Department of Orthopedic Surgery, Akita University School of Medicine, Hondo 1 1 1, 010 8543 Akita, Japan
    Skeletal Radiol 34:121-3. 2005
    ..The importance of careful histological examination to avoid radical surgery should be emphasized because marginal excision can provide good results in the treatment of nodular fasciitis...
  57. ncbi The metabolic syndrome: prevalence and associated lifestyles in Japanese workingmen
    Tomoyuki Kawada
    Department of Hygiene and Public Health, Nippon Medical School, Tokyo, Japan
    J Cardiometab Syndr 1:313-7. 2006
    ..381 (1.088-1.752) (P=.008) and 1.812 (1.365-2.407) (P<.001), respectively. In contrast, no preventive effect of alcohol on the occurrence of the metabolic syndrome was noted...
  58. ncbi The effect of the inferior capsular shift on shoulder intra-articular pressure: a cadaveric study
    Nobuyuki Yamamoto
    Division of Orthopedic Surgery, Department of Neuro and Locomotor Science, Akita University School of Medicine, 1 1 1 Hondo, Akita 010 8543, Japan
    Am J Sports Med 34:939-44. 2006
    ..The inferior capsular shift procedure is commonly performed for multidirectional instability of the shoulder with excellent clinical results...
  59. ncbi Quantitative assessment of thinning of the subscapularis tendon in recurrent anterior dislocation of the shoulder by use of magnetic resonance imaging
    Yilihamu Tuoheti
    Department of Orthopedic Surgery, The Second Teaching Hospital of Xinjiang Medical University, Xinjiang, Japan
    J Shoulder Elbow Surg 14:11-5. 2005
    ..0 mm 2 vs 547.9 +/- 128.5 mm 2 , P = .0001, respectively). We conclude that the subscapularis tendon undergoes an 18.7% decrease in thickness and a 29.1% decrease in cross-sectional area in shoulders with recurrent anterior dislocation...
  60. ncbi Leiomyosarcoma of the lumbar spine: case report
    Jun Nishida
    Department of Orthopaedic Surgery, School of Medicine, Iwate Medical University, Morioka, Japan
    Spine (Phila Pa 1976) 27:E42-6. 2002
    ..A primary leiomyosarcoma in the L2 vertebral body without any neurologic deficit is reported. The radiologic diagnosis was a metastasis, and the histologic diagnosis was confirmed by transpedicular needle biopsy...
  61. ncbi Apoptosis in the supraspinatus tendon with stage II subacromial impingement
    Yilihamu Tuoheti
    Department of Orthopedic Surgery, Akita University School of Medicine, Akita, Japan
    J Shoulder Elbow Surg 14:535-41. 2005
    ..22% +/- 1.30%; TUNEL, 7.01% +/- 1.05%) (P = .04 for ssDNA and P = .017 for TUNEL). Mechanical impingement seems to cause tendon degeneration and apoptosis of the tendon cells in the supraspinatus tendon in stage II impingement...
  62. ncbi Tetraparesis caused by chondroblastoma of the cervical spine: a case report
    Jun Nishida
    Department of Orthopaedic Surgery, School of Medicine, Iwate Medical University, Morioka, Japan
    Spine (Phila Pa 1976) 28:E173-8. 2003
    ..A chondroblastoma of the posterior component of the seventh cervical vertebra with tetraparesis was reported. Imaging studies showed an expansile destructive lesion with mineralization...
  63. ncbi Common peroneal nerve palsy caused by parosteal lipoma of the fibula
    Nobutoshi Seki
    Department of Orthopedic Surgery, Akita University School of Medicine, 1 1 1 Hondo, Akita, 010 8543, Japan
    J Orthop Sci 11:88-91. 2006
  64. ncbi Vascularized iliac bone graft for iliosacral bone defect after tumor excision
    Jun Nishida
    Department of Orthopaedic Surgery, School of Medicine, Iwate Medical University, Uchimaru Morioka, Japan
    Clin Orthop Relat Res 447:145-51. 2006
    ..This technique is considered a good alternative for reconstruction of a large osseous defect in the pelvis because graft harvest is relatively simple and rapid, especially if a pedicled iliac bone transfer is performed...
  65. ncbi Benign lesions in cancer patients: Case 2. Unusual association of osteosarcoma and sarcoidosis
    Kyoji Okada
    Akita University School of Medicine, Akita, Japan
    J Clin Oncol 23:641-3. 2005
  66. ncbi Objective evaluation of shoulder pain by measuring skin impedance
    Nobuyuki Yamamoto
    Division of Orthopedic Surgery, Department of Neuro and Locomotor Science, Akita University School of Medicine, Akita, Japan
    Orthopedics 29:1121-3. 2006
    ..Fifty-three patients with shoulder pain were examined. Skin impedance was measured by a skin impedance meter in three different conditions and was compared with the visual analog scale recorded at the same time...
  67. ncbi Decompression of idiopathic lumbar epidural lipomatosis: diagnostic magnetic resonance imaging evaluation and review of the literature
    Yoshinori Ishikawa
    Department of Orthopedic Surgery, Akita University School of Medicine, Japan
    J Neurosurg Spine 4:24-30. 2006
    ..To evaluate factors relating to its clinical symptoms, correlations between clinical features and the presence of spinal epidural fat were investigated, and the literature concerning idiopathic SEL was reviewed...
  68. ncbi Fibrocartilaginous mesenchymoma arising in the femur
    Masahito Hatori
    Pathology 34:199-201. 2002
  69. ncbi Unusual variant of liposarcoma with multiple punctate calcifications
    Yilihamu Tuoheti
    Department of Orthopedic Surgery, Akita University School of Medicine, 1 1 1 Hondo, Akita 010 8543, Japan
    Skeletal Radiol 31:666-70. 2002
    ..In addition, this unusual variant consisting of myxoid, round cell and well-differentiated liposarcoma behaved aggressively resulting in the death of the patient...
  70. ncbi Tuberculous bicipitoradial bursitis: a case report
    Jun Nishida
    Department of Orthopaedic Surgery, School of Medicine, Iwate Medical University, Morioka, Japan
    Skeletal Radiol 36:445-8. 2007
    ..While the occurrence of tuberculous bicipitoradial bursitis has never been reported, this case demonstrates that it can be considered to be among the causes of a cystic lesion around the elbow joint...
  71. ncbi Dendritic cell and effector cell infiltration in soft tissue sarcomas with reactive lymphoid hyperplasia
    Hiroshi Orui
    Department of Orthopaedic Surgery, Yamagata University School of Medicine, Iida Nishi, Yamagata 990 9585, Japan
    J Orthop Sci 8:669-77. 2003
    ..Furthermore, the association between the infiltration of dendritic cells and that of effector cells was observed in patients with soft tissue sarcomas...