Yoshiki Ohta

Summary

Affiliation: Showa University
Country: Japan

Publications

  1. doi request reprint Mixed mucin-producing and squamous differentiated tumor of the uterine cervix: a report of a case as adenosquamous carcinoma in situ
    Yoshiki Ohta
    Department of Pathology Second Department of Pathology, Showa University, Tokyo, Japan
    J Obstet Gynaecol Res 39:420-3. 2013
  2. ncbi request reprint Low-grade endometrial stromal sarcoma with an extensive epithelial-like element
    Yoshiki Ohta
    Department of Pathology, Showa University Northern Yokohama Hospital, 35 1 Chigasaki chuo, Tsuzuki ku, Yokohama, Kanagawa 224 8503, Japan
    Pathol Int 53:246-51. 2003
  3. doi request reprint High-grade endometrial stromal sarcoma with smooth muscle and skeletal muscle differentiation: report of a case with cytomorphologic and immunocytologic analysis
    Yoshiki Ohta
    Department of Pathology, Showa University Northern Yokohama Hospital, Kanagawa, Japan
    Diagn Cytopathol 39:301-5. 2011
  4. doi request reprint Transition from low-grade endometrial stromal sarcoma to high-grade endometrial stromal sarcoma
    Yoshiki Ohta
    Department of Pathology, Showa University, Northern Yokohama Hospital, Yokohama, Kanagawa, Japan
    Int J Gynecol Pathol 29:374-7. 2010
  5. ncbi request reprint Two cases of intracranial germinoma showing a cell arrangement mimicking carcinoma
    Yoshiki Ohta
    Department of Pathology, Showa University Northern Yokohama Hospital, Kanagawa 227 8503, Japan
    Diagn Cytopathol 38:132-6. 2010
  6. doi request reprint Clear cell adenocarcinoma arising from a giant cystic adenomyosis: a case report with immunohistochemical analysis of laminin-5 gamma2 chain and p53 overexpression
    Yoshiki Ohta
    Department of Pathology, Showa University Northern Yokohama Hospital, Yokohama, Kanagawa, Japan
    Pathol Res Pract 204:677-82. 2008
  7. doi request reprint Lobular endocervical glandular hyperplasia might become a precursor of adenocarcinoma with pyloric gland features
    Yoshiki Ohta
    Department of Pathology, Showa University Northern Yokohama Hospital, Yokohama, Kanagawa, Japan
    Pathol Res Pract 204:683-7. 2008
  8. ncbi request reprint A case of uterine adenomyoma with bizarre smooth muscle cells mimicking leiomyosarcoma
    Yoshiki Ohta
    Department of Pathology, Showa University Northern Yokohama Hospital, Kanagawa, Japan
    Diagn Cytopathol 32:288-91. 2005
  9. ncbi request reprint Expression of CD10 and cytokeratins in ovarian and renal clear cell carcinoma
    Yoshiki Ohta
    Department of Pathology, Showa University Northern Yokohama Hospital, Kanagawa 227 8503, Japan
    Int J Gynecol Pathol 24:239-45. 2005
  10. ncbi request reprint Cytology, immunohistochemistry and 3-dimensional reconstruction of adenoma malignum: a case report
    Yoshiki Ohta
    Department of Pathology, Northern Yokohama Hospital, Showa University, Kanagawa, Japan
    Acta Cytol 49:181-6. 2005

Detail Information

Publications12

  1. doi request reprint Mixed mucin-producing and squamous differentiated tumor of the uterine cervix: a report of a case as adenosquamous carcinoma in situ
    Yoshiki Ohta
    Department of Pathology Second Department of Pathology, Showa University, Tokyo, Japan
    J Obstet Gynaecol Res 39:420-3. 2013
    ..Although most mucin-producing cells were p63(-) , a few of them were p63(+) and many 34βE12 immunoreactive cells were found in the mucin-producing cells. This tumor was adenosquamous carcinoma in situ...
  2. ncbi request reprint Low-grade endometrial stromal sarcoma with an extensive epithelial-like element
    Yoshiki Ohta
    Department of Pathology, Showa University Northern Yokohama Hospital, 35 1 Chigasaki chuo, Tsuzuki ku, Yokohama, Kanagawa 224 8503, Japan
    Pathol Int 53:246-51. 2003
    ..In the present case, the Ki-67 labeling index was markedly higher in CESS than in ELE. Therefore, a difference in cell proliferative activity between ELE and CESS might underlie a different clinical prognosis...
  3. doi request reprint High-grade endometrial stromal sarcoma with smooth muscle and skeletal muscle differentiation: report of a case with cytomorphologic and immunocytologic analysis
    Yoshiki Ohta
    Department of Pathology, Showa University Northern Yokohama Hospital, Kanagawa, Japan
    Diagn Cytopathol 39:301-5. 2011
    ..Immunocytochemistry contributed to the correct diagnosis. This case was high-grade endometrial stromal sarcoma with smooth muscle and skeletal muscle differentiation...
  4. doi request reprint Transition from low-grade endometrial stromal sarcoma to high-grade endometrial stromal sarcoma
    Yoshiki Ohta
    Department of Pathology, Showa University, Northern Yokohama Hospital, Yokohama, Kanagawa, Japan
    Int J Gynecol Pathol 29:374-7. 2010
    ....
  5. ncbi request reprint Two cases of intracranial germinoma showing a cell arrangement mimicking carcinoma
    Yoshiki Ohta
    Department of Pathology, Showa University Northern Yokohama Hospital, Kanagawa 227 8503, Japan
    Diagn Cytopathol 38:132-6. 2010
    ..A panel of antibodies including D2-40, PLAP, and c-kit should be used...
  6. doi request reprint Clear cell adenocarcinoma arising from a giant cystic adenomyosis: a case report with immunohistochemical analysis of laminin-5 gamma2 chain and p53 overexpression
    Yoshiki Ohta
    Department of Pathology, Showa University Northern Yokohama Hospital, Yokohama, Kanagawa, Japan
    Pathol Res Pract 204:677-82. 2008
    ..When non-invasive tumor cells were considered to be at an early stage in tumor progression, some tumor cells had already acquired an invasive feature. p53 overexpression was not related to expression of the laminin-5 gamma2 chain...
  7. doi request reprint Lobular endocervical glandular hyperplasia might become a precursor of adenocarcinoma with pyloric gland features
    Yoshiki Ohta
    Department of Pathology, Showa University Northern Yokohama Hospital, Yokohama, Kanagawa, Japan
    Pathol Res Pract 204:683-7. 2008
    ..LEGH is no longer regarded as a pseudoneoplastic lesion, and it is necessary to consider that LEGH is able to transform into a precursor lesion and to develop into an adenocarcinoma with pyloric gland features...
  8. ncbi request reprint A case of uterine adenomyoma with bizarre smooth muscle cells mimicking leiomyosarcoma
    Yoshiki Ohta
    Department of Pathology, Showa University Northern Yokohama Hospital, Kanagawa, Japan
    Diagn Cytopathol 32:288-91. 2005
    ..These observations suggest that for a diagnosis of uterine leiomyosarcoma the presence of mitosis and/or necrosis is important in addition to nuclear atypia...
  9. ncbi request reprint Expression of CD10 and cytokeratins in ovarian and renal clear cell carcinoma
    Yoshiki Ohta
    Department of Pathology, Showa University Northern Yokohama Hospital, Kanagawa 227 8503, Japan
    Int J Gynecol Pathol 24:239-45. 2005
    ..Therefore, 34betaE12-negative biopsies also should be evaluated for CD10 and CK7 immunoreactivity to enable histologic and cytologic differential diagnosis...
  10. ncbi request reprint Cytology, immunohistochemistry and 3-dimensional reconstruction of adenoma malignum: a case report
    Yoshiki Ohta
    Department of Pathology, Northern Yokohama Hospital, Showa University, Kanagawa, Japan
    Acta Cytol 49:181-6. 2005
    ..Cytologic diagnosis of adenoma malignum is not easy. A case of adenoma malignum was diagnosed cytologically...
  11. ncbi request reprint Clinical significance of nuclear morphometry at the invasive front of T1 colorectal cancer and relation to expression of VEGF-A and VEGF-C
    Motohiro Kojima
    First Department of Pathology, Showa University School of Medicine, 1 5 8 Hatanodai, Shinagawa ku, Tokyo, Japan
    Oncology 68:230-8. 2005
    ..Sixty-five patients who had undergone curative resection were entered...
  12. doi request reprint Claudin-4 as a marker for distinguishing malignant mesothelioma from lung carcinoma and serous adenocarcinoma
    Yoshiki Ohta
    1Showa University Hospital, Tokyo, Japan
    Int J Surg Pathol 21:493-501. 2013
    ..However, it should be mentioned that claudin-4 has a limit in discrimination between squamous cell carcinoma from mesothelioma. ..