Oscar Tapia

Summary

Publications

  1. doi request reprint [Intravascular large B cell lymphoma: report of one case]
    Oscar E Tapia
    Departamento de Anatomia Patologica, Facultad de Medicina, Universidad de La Frontera, Temuco, Chile
    Rev Med Chil 140:225-30. 2012
  2. doi request reprint [Tungiasis. Report of one case]
    Oscar Tapia E
    Departamento de Anatomia Patologica, Facultad de Medicina, Universidad de La Frontera, Temuco, Chile
    Rev Med Chil 139:1206-9. 2011
  3. doi request reprint [Prognostic value of extracapsular lymph node involvement among patients with gastric cancer]
    Oscar Tapia E
    Departamento de Anatomia Patologica, Facultad de Medicina, Universidad de La Frontera, Temuco, Chile
    Rev Med Chil 139:992-7. 2011
  4. doi request reprint [Primary cutaneous mucormycosis: two case reports and review of the literature]
    Oscar Tapia E
    Departamento de Anatomia Patologica, Facultad de Medicina, Universidad de La Frontera, Temuco, Chile
    Rev Chilena Infectol 28:269-73. 2011
  5. doi request reprint [Prognostic factors for gastric cancer without lymph node involvement]
    Oscar Tapia
    Departamento de Anatomia Patologica, Facultad de Medicina, Universidad de La Frontera, Temuco, Chile
    Rev Med Chil 139:432-8. 2011
  6. doi request reprint [Concordance between Gleason scores of trans rectal biopsies and the surgical piece of radical prostatectomy]
    Oscar Tapia
    Departamento de Anatomia Patologica, Facultad de Medicina, Universidad de La Frontera, Temuco, Chile
    Rev Med Chil 139:171-6. 2011
  7. doi request reprint [Mesenteric cryptococcal lymphadenitis: report of one case]
    Oscar Tapia
    Departamento de Anatomia Patologica, Facultad de Medicina, Universidad de La Frontera, Temuco, Chile
    Rev Med Chil 138:1535-8. 2010
  8. doi request reprint [Bone hydatidosis: report of five patients and review of the literature]
    Oscar Tapia E
    Departamento de Anatomia Patologica, Facultad de Medicina, Universidad de La Frontera, Temuco, Chile
    Rev Med Chil 138:1414-21. 2010
  9. doi request reprint [Duodenal villous atrophy associated with Mycophenolate mofetil: report of one case]
    Oscar Tapia
    Departamento de Anatomia Patologica, Facultad de Medicina, Universidad de La Frontera, Temuco, Chile
    Rev Med Chil 138:590-4. 2010
  10. ncbi request reprint Promoter methylation profile in gallbladder cancer
    Juan Carlos Roa
    Department of Pathology, Faculty of Medicine, Universidad de La Frontera, Manuel Montt 112, Temuco, 478 1176, Chile
    J Gastroenterol 41:269-75. 2006

Collaborators

Detail Information

Publications25

  1. doi request reprint [Intravascular large B cell lymphoma: report of one case]
    Oscar E Tapia
    Departamento de Anatomia Patologica, Facultad de Medicina, Universidad de La Frontera, Temuco, Chile
    Rev Med Chil 140:225-30. 2012
    ..Magnetic resonance and CAT imaging studies showed multiple images of brain and cerebellar infarctions. Twenty days after admission, the patient died and the postmortem study demonstrated a multisystem intravascular large B cell lymphoma...
  2. doi request reprint [Tungiasis. Report of one case]
    Oscar Tapia E
    Departamento de Anatomia Patologica, Facultad de Medicina, Universidad de La Frontera, Temuco, Chile
    Rev Med Chil 139:1206-9. 2011
    ..The patient extracted from the lesion a on of 0.5 mm diameter. The pathological study of the insect recognized its body segments. The epidemiological background and the characteristics of the lesion led to the diagnosis of tungiasis...
  3. doi request reprint [Prognostic value of extracapsular lymph node involvement among patients with gastric cancer]
    Oscar Tapia E
    Departamento de Anatomia Patologica, Facultad de Medicina, Universidad de La Frontera, Temuco, Chile
    Rev Med Chil 139:992-7. 2011
    ..Extracapsular lymph node involvement has a negative prognosis in malignant tumors...
  4. doi request reprint [Primary cutaneous mucormycosis: two case reports and review of the literature]
    Oscar Tapia E
    Departamento de Anatomia Patologica, Facultad de Medicina, Universidad de La Frontera, Temuco, Chile
    Rev Chilena Infectol 28:269-73. 2011
    ..Two cases of patients with primary cutaneous mucormycosis diagnosed in the Pathology Unit of Hernan Henriquez Aravena Hospital of Temuco, Chile are presented here...
  5. doi request reprint [Prognostic factors for gastric cancer without lymph node involvement]
    Oscar Tapia
    Departamento de Anatomia Patologica, Facultad de Medicina, Universidad de La Frontera, Temuco, Chile
    Rev Med Chil 139:432-8. 2011
    ..The absence of lymph node involvement (N0) in gastric cancer is associated with a better survival. However some N0 gastric tumors still have a bad prognosis...
  6. doi request reprint [Concordance between Gleason scores of trans rectal biopsies and the surgical piece of radical prostatectomy]
    Oscar Tapia
    Departamento de Anatomia Patologica, Facultad de Medicina, Universidad de La Frontera, Temuco, Chile
    Rev Med Chil 139:171-6. 2011
    ..Gleason pathological score in prostate cancer is an important prognostic indicator. However, the concordance between the score of trans rectal needle biopsies and the final score of the surgical piece may be variable...
  7. doi request reprint [Mesenteric cryptococcal lymphadenitis: report of one case]
    Oscar Tapia
    Departamento de Anatomia Patologica, Facultad de Medicina, Universidad de La Frontera, Temuco, Chile
    Rev Med Chil 138:1535-8. 2010
    ..The conglomerated lymph nodes and the appendix were excised. The pathological study of the surgical piece revealed an intra abdominal cryptococcal lymphadenitis and a normal appendix...
  8. doi request reprint [Bone hydatidosis: report of five patients and review of the literature]
    Oscar Tapia E
    Departamento de Anatomia Patologica, Facultad de Medicina, Universidad de La Frontera, Temuco, Chile
    Rev Med Chil 138:1414-21. 2010
    ..A 67-year-old female presenting with weakness of the lower limb and loss of sphincter control; CAT scan showed hydatid cysts in D4 vertebral body...
  9. doi request reprint [Duodenal villous atrophy associated with Mycophenolate mofetil: report of one case]
    Oscar Tapia
    Departamento de Anatomia Patologica, Facultad de Medicina, Universidad de La Frontera, Temuco, Chile
    Rev Med Chil 138:590-4. 2010
    ..Mycophenolate mofetil was discontinued and one week later, diarrhea subsided. Two months later the patient was asymptomatic and recovered weight. A new duodenal biopsy showed absence of villous atrophy...
  10. ncbi request reprint Promoter methylation profile in gallbladder cancer
    Juan Carlos Roa
    Department of Pathology, Faculty of Medicine, Universidad de La Frontera, Manuel Montt 112, Temuco, 478 1176, Chile
    J Gastroenterol 41:269-75. 2006
    ..Our objective was to analyze the methylation pattern of some of the genes involved in carcinogenesis of the gallbladder, examining the immunohistochemical expression of proteins, clinical features, and patient survival time...
  11. doi request reprint Immunohistochemical expression of phospho-mTOR is associated with poor prognosis in patients with gallbladder adenocarcinoma
    Pamela Leal
    Department of Pathology, School of Medicine, CEGINBIOREN, University of La Frontera, Temuco, Chile
    Arch Pathol Lab Med 137:552-7. 2013
    ..Its regulation is frequently altered in various tumors and is an attractive target for cancer therapy; however, its status in GBC remains unclear...
  12. ncbi request reprint [Frequency of K-ras mutation in biliary and pancreatic tumors]
    Juan Carlos Roa
    Departamento de Anatomia Patologica, Facultad de Medicina, Universidad de La Frontera
    Rev Med Chil 133:1434-40. 2005
    ..The ras gene family (H-ras, N-ras and K-ras) are oncogenes that mutate frequently in human cancer, specially in tumors of the biliary tract and pancreas...
  13. ncbi request reprint [Promoter methylation profile in gastric cancer]
    Juan Carlos Roa
    Departamento de Anatomia Patologica, Universidad de La Frontera, Temuco, Chile
    Rev Med Chil 133:874-80. 2005
    ..This genetic-molecular pathway for cancer may separate a subset of patients with different prognoses and eventually different responses to specific therapies...
  14. doi request reprint Immunohistochemical expression of vascular endothelial growth factor A in advanced gallbladder carcinoma
    Pablo Letelier
    Molecular Pathology Laboratory, Department of Pathology, School of Medicine, Scientific and Technological Bioresource Nucleus BIOREN, Universidad de La Frontera, Temuco Department of Pathology, School of Medicine, Pontificia Universidad Catolica de Chile, Santiago, Chile
    Appl Immunohistochem Mol Morphol 22:530-6. 2014
    ....
  15. doi request reprint Cellular FLICE-like inhibitory protein long form (c-FLIPL) overexpression is related to cervical cancer progression
    Carmen Gloria Ili
    Molecular Pathology Laboratory, Department of Pathology, BIOREN CEGIN, School of Medicine Universidad de La Frontera, Temuco, Chile
    Int J Gynecol Pathol 32:316-22. 2013
    ..This finding could aid in identifying patients with preneoplastic lesions at greater risk of developing cervical cancer. c-FLIP expression in cervical tissue may be a potential cervical cancer progression marker...
  16. pmc AKT/mTOR substrate P70S6K is frequently phosphorylated in gallbladder cancer tissue and cell lines
    Pamela Leal
    Department of Pathology, Universidad de La Frontera, Center of Genetical and Immunological Studies Scientific and Technological Bioresource Nucleus, Temuco, Santiago, Chile
    Onco Targets Ther 6:1373-84. 2013
    ....
  17. doi request reprint The PI3K/AKT/mTOR pathway is activated in gastric cancer with potential prognostic and predictive significance
    Oscar Tapia
    Department of Pathology, Universidad de La Frontera, CEGIN BIOREN, Temuco, Chile
    Virchows Arch 465:25-33. 2014
    ..These might be considered as target for specific targeted therapy in GC...
  18. ncbi request reprint [Promoter methylation profile in breast cancer]
    Juan Carlos Roa
    Departamento de Anatomia Patologica, Facultad de Medicina, Universidad de La Frontera, Temuco, Chile
    Rev Med Chil 132:1069-77. 2004
    ..Genomic DNA methylation, mutations and allelic deletions explain the inactivation of genes involved in cell proliferation and cell cycle control mechanisms...
  19. pmc miR-101-2, miR-125b-2 and miR-451a act as potential tumor suppressors in gastric cancer through regulation of the PI3K/AKT/mTOR pathway
    Ismael Riquelme
    Laboratory of Molecular Pathology, Pathology Department, School of Medicine, BIOREN CEGIN, Universidad de La Frontera, Avenida Alemania 0458, 4810296, Temuco, Chile
    Cell Oncol (Dordr) 39:23-33. 2016
    ....
  20. ncbi request reprint Prognostic factors of phyllodes tumor of the breast
    Juan Carlos Roa
    Department of Pathology, Universidad de La Frontera, Temuco, Chile
    Pathol Int 56:309-14. 2006
    ..00001) were prognostic factors of poor survival. Tumoral grade and some clinical-morphological characteristics of patients with phyllodes tumors have a significant impact on the prediction of its biological behavior...
  21. doi request reprint Connective tissue growth factor immunohistochemical expression is associated with gallbladder cancer progression
    Patricia Garcia
    Department of Pathology, School of Medicine, CEGIN BIOREN, Universidad de La Frontera, Temuco, Chile
    Arch Pathol Lab Med 137:245-50. 2013
    ..Objective.- To evaluate the expression level of CTGF in benign and malignant lesions of gallbladder and its correlation with clinicopathologic features and GBC prognosis...
  22. doi request reprint [Diagnostic value of frozen section biopsy during surgery for breast lesions or neoplasms]
    Enrique Bellolio J
    Departamento de Anatomia Patologica, Universidad de La Frontera, Chile
    Rev Med Chil 137:1173-8. 2009
    ..During the surgical treatment of breast neoplasms (benign or malignant), frozen section biopsy is frequently requested to assess the kind of lesion and determine the surgical margins...
  23. pmc DNA promoter methylation as a diagnostic and therapeutic biomarker in gallbladder cancer
    Pablo Letelier
    Universidad de La Frontera, School of Medicine, Department of Pathology, Molecular Pathology Laboratory, BIOREN CEGIN, Temuco, Chile
    Clin Epigenetics 4:11. 2012
    ..Determining DNA methylation patterns would allow them to be used as biomarkers for the early detection, diagnosis, prognosis and/or therapeutic selection in gallbladder cancer...
  24. doi request reprint Squamous cell and adenosquamous carcinomas of the gallbladder: clinicopathological analysis of 34 cases identified in 606 carcinomas
    Juan C Roa
    Department of Pathology, Universidad de La Frontera, Temuco, Chile
    Mod Pathol 24:1069-78. 2011
    ..Most patients died within a few months; however, those few who were alive beyond 2 years in this cohort experienced long-term survival...
  25. ncbi request reprint [K-ras gene mutation in gallbladder carcinoma]
    Juan Carlos Roa
    Departamento de Anatomia Patologica, Facultad de Medicina, Universidad de La Frontera, Temuco, Chile
    Rev Med Chil 132:955-60. 2004
    ..Different K-ras mutation frequencies in gallbladder cancer have been reported...