Solitary Fibrous Tumor of the Prostate: A Case Report and Literature Review

Solitary fibrous tumors (SFTs) usually occur in the pleura and account for two-thirds of all cases; however, SFTs occurring in the prostate are extremely rare. Approximately 25 cases have been reported in the literature to date. This study reports the case of a 43-year-old man referred to our hospit...

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Autores principales: Yasumichi Takeuchi, Daiki Kato, Keita Nakane, Kota Kawase, Manabu Takai, Koji Iinuma, Chiemi Saigo, Tatsuhiko Miyazaki, Takuya Koie
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Publicado: MDPI AG 2021
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Acceso en línea:https://doaj.org/article/6f4fdd1f31a94be19b5056dcfb842baa
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spelling oai:doaj.org-article:6f4fdd1f31a94be19b5056dcfb842baa2021-11-25T18:18:07ZSolitary Fibrous Tumor of the Prostate: A Case Report and Literature Review10.3390/medicina571111521648-91441010-660Xhttps://doaj.org/article/6f4fdd1f31a94be19b5056dcfb842baa2021-10-01T00:00:00Zhttps://www.mdpi.com/1648-9144/57/11/1152https://doaj.org/toc/1010-660Xhttps://doaj.org/toc/1648-9144Solitary fibrous tumors (SFTs) usually occur in the pleura and account for two-thirds of all cases; however, SFTs occurring in the prostate are extremely rare. Approximately 25 cases have been reported in the literature to date. This study reports the case of a 43-year-old man referred to our hospital with the chief complaint of a pelvic tumor after careful examination. The tumor marker levels were within normal limits. T2-weighted magnetic resonance imaging revealed a tumor, demonstrating primarily low signal intensity. It showed a capsule-like rim at the left lobe of the prostate, suggesting that the tumor was partially invading the rectal wall. Histopathological examination of needle-core biopsies showed spindle cell neoplasm with small and fusiform cells, strongly expressing signal transducer and activator of transcription 6 (STAT6) with a ramifying vascular network. Therefore, the clinical diagnosis of the patient was SFT of the prostate and robot-assisted radical prostatectomy was performed. Histopathological examination revealed that the tumor was composed of spindle cells with patternless and staghorn patterns. Immunohistochemical analysis showed a strong expression of STAT6. Furthermore, the tumor was partially positive for CD34. Therefore, the patient was diagnosed with SFT of the prostate. Two years after the initial diagnosis, the patient was alive with normal erectile function, continence status, and no evidence of the disease.Yasumichi TakeuchiDaiki KatoKeita NakaneKota KawaseManabu TakaiKoji IinumaChiemi SaigoTatsuhiko MiyazakiTakuya KoieMDPI AGarticleprostatic tumorsolitary fibrous tumorrare casecase reportMedicine (General)R5-920ENMedicina, Vol 57, Iss 1152, p 1152 (2021)
institution DOAJ
collection DOAJ
language EN
topic prostatic tumor
solitary fibrous tumor
rare case
case report
Medicine (General)
R5-920
spellingShingle prostatic tumor
solitary fibrous tumor
rare case
case report
Medicine (General)
R5-920
Yasumichi Takeuchi
Daiki Kato
Keita Nakane
Kota Kawase
Manabu Takai
Koji Iinuma
Chiemi Saigo
Tatsuhiko Miyazaki
Takuya Koie
Solitary Fibrous Tumor of the Prostate: A Case Report and Literature Review
description Solitary fibrous tumors (SFTs) usually occur in the pleura and account for two-thirds of all cases; however, SFTs occurring in the prostate are extremely rare. Approximately 25 cases have been reported in the literature to date. This study reports the case of a 43-year-old man referred to our hospital with the chief complaint of a pelvic tumor after careful examination. The tumor marker levels were within normal limits. T2-weighted magnetic resonance imaging revealed a tumor, demonstrating primarily low signal intensity. It showed a capsule-like rim at the left lobe of the prostate, suggesting that the tumor was partially invading the rectal wall. Histopathological examination of needle-core biopsies showed spindle cell neoplasm with small and fusiform cells, strongly expressing signal transducer and activator of transcription 6 (STAT6) with a ramifying vascular network. Therefore, the clinical diagnosis of the patient was SFT of the prostate and robot-assisted radical prostatectomy was performed. Histopathological examination revealed that the tumor was composed of spindle cells with patternless and staghorn patterns. Immunohistochemical analysis showed a strong expression of STAT6. Furthermore, the tumor was partially positive for CD34. Therefore, the patient was diagnosed with SFT of the prostate. Two years after the initial diagnosis, the patient was alive with normal erectile function, continence status, and no evidence of the disease.
format article
author Yasumichi Takeuchi
Daiki Kato
Keita Nakane
Kota Kawase
Manabu Takai
Koji Iinuma
Chiemi Saigo
Tatsuhiko Miyazaki
Takuya Koie
author_facet Yasumichi Takeuchi
Daiki Kato
Keita Nakane
Kota Kawase
Manabu Takai
Koji Iinuma
Chiemi Saigo
Tatsuhiko Miyazaki
Takuya Koie
author_sort Yasumichi Takeuchi
title Solitary Fibrous Tumor of the Prostate: A Case Report and Literature Review
title_short Solitary Fibrous Tumor of the Prostate: A Case Report and Literature Review
title_full Solitary Fibrous Tumor of the Prostate: A Case Report and Literature Review
title_fullStr Solitary Fibrous Tumor of the Prostate: A Case Report and Literature Review
title_full_unstemmed Solitary Fibrous Tumor of the Prostate: A Case Report and Literature Review
title_sort solitary fibrous tumor of the prostate: a case report and literature review
publisher MDPI AG
publishDate 2021
url https://doaj.org/article/6f4fdd1f31a94be19b5056dcfb842baa
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