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Retroperitoneal Solitary Fibrous Tumor: A “Patternless” Tumor

INTRODUCTION: Solitary fibrous tumor is a rare type of mesenchymal, spindle-cell tumor reported mostly in the pleura. Retroperitoneal occurrence is rare and histopathological diagnosis is challenging. CASE PRESENTATION: A 55-year-old woman with nonspecific abdominal pain was found to have a retroper...

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Autores principales: Myoteri, D., Dellaportas, D., Nastos, C., Gioti, I., Gkiokas, G., Carvounis, E., Theodosopoulos, T.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Hindawi 2017
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5613361/
https://www.ncbi.nlm.nih.gov/pubmed/29138700
http://dx.doi.org/10.1155/2017/4634235
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author Myoteri, D.
Dellaportas, D.
Nastos, C.
Gioti, I.
Gkiokas, G.
Carvounis, E.
Theodosopoulos, T.
author_facet Myoteri, D.
Dellaportas, D.
Nastos, C.
Gioti, I.
Gkiokas, G.
Carvounis, E.
Theodosopoulos, T.
author_sort Myoteri, D.
collection PubMed
description INTRODUCTION: Solitary fibrous tumor is a rare type of mesenchymal, spindle-cell tumor reported mostly in the pleura. Retroperitoneal occurrence is rare and histopathological diagnosis is challenging. CASE PRESENTATION: A 55-year-old woman with nonspecific abdominal pain was found to have a retroperitoneal/pelvic mass adjacent to the upper rectum. The patient underwent surgical resection in clear margins of this pelvic tumor, entering the total mesenteric excision surgical plane. Final histopathology revealed a solitary fibrous tumor and the case is presented herein. DISCUSSION: Solitary fibrous tumor in the retroperitoneum is rarely found in the literature and to the best of our knowledge less than a hundred cases are described so far. Histopathological diagnosis is mostly based on a “patternless pattern” on microscopic examination, which is a storiform arrangement of spindle cells combined with a “hemangiopericytoma-like appearance” and increased vascularity of the lesion. Surgery is the mainstay of treatment and recurrence rates are generally low.
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spelling pubmed-56133612017-11-14 Retroperitoneal Solitary Fibrous Tumor: A “Patternless” Tumor Myoteri, D. Dellaportas, D. Nastos, C. Gioti, I. Gkiokas, G. Carvounis, E. Theodosopoulos, T. Case Rep Oncol Med Case Report INTRODUCTION: Solitary fibrous tumor is a rare type of mesenchymal, spindle-cell tumor reported mostly in the pleura. Retroperitoneal occurrence is rare and histopathological diagnosis is challenging. CASE PRESENTATION: A 55-year-old woman with nonspecific abdominal pain was found to have a retroperitoneal/pelvic mass adjacent to the upper rectum. The patient underwent surgical resection in clear margins of this pelvic tumor, entering the total mesenteric excision surgical plane. Final histopathology revealed a solitary fibrous tumor and the case is presented herein. DISCUSSION: Solitary fibrous tumor in the retroperitoneum is rarely found in the literature and to the best of our knowledge less than a hundred cases are described so far. Histopathological diagnosis is mostly based on a “patternless pattern” on microscopic examination, which is a storiform arrangement of spindle cells combined with a “hemangiopericytoma-like appearance” and increased vascularity of the lesion. Surgery is the mainstay of treatment and recurrence rates are generally low. Hindawi 2017 2017-09-12 /pmc/articles/PMC5613361/ /pubmed/29138700 http://dx.doi.org/10.1155/2017/4634235 Text en Copyright © 2017 D. Myoteri et al. https://creativecommons.org/licenses/by/4.0/ This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Case Report
Myoteri, D.
Dellaportas, D.
Nastos, C.
Gioti, I.
Gkiokas, G.
Carvounis, E.
Theodosopoulos, T.
Retroperitoneal Solitary Fibrous Tumor: A “Patternless” Tumor
title Retroperitoneal Solitary Fibrous Tumor: A “Patternless” Tumor
title_full Retroperitoneal Solitary Fibrous Tumor: A “Patternless” Tumor
title_fullStr Retroperitoneal Solitary Fibrous Tumor: A “Patternless” Tumor
title_full_unstemmed Retroperitoneal Solitary Fibrous Tumor: A “Patternless” Tumor
title_short Retroperitoneal Solitary Fibrous Tumor: A “Patternless” Tumor
title_sort retroperitoneal solitary fibrous tumor: a “patternless” tumor
topic Case Report
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5613361/
https://www.ncbi.nlm.nih.gov/pubmed/29138700
http://dx.doi.org/10.1155/2017/4634235
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