A Case of Bilateral Synchronous Paratesticular Leiomyoma

Akira Ishikawa; Naohiro Uraoka; Jun Shibata; Ryosuke Nobuhiro; Go Kobayashi; Yoichi Saito; Hiroyuki Nose; Naohide Oue

doi:10.1159/000528821

Case Reports in Oncology (Feb 2023)

A Case of Bilateral Synchronous Paratesticular Leiomyoma

Akira Ishikawa,
Naohiro Uraoka,
Jun Shibata,
Ryosuke Nobuhiro,
Go Kobayashi,
Yoichi Saito,
Hiroyuki Nose,
Naohide Oue

Affiliations

Akira Ishikawa: ORCiD; Department of Molecular Pathology, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
Naohiro Uraoka: Department of Pathology, Kure-Kyosai Hospital, Federation of National Public Service Personnel Mutual Aid Associations, Hiroshima, Japan
Jun Shibata: Department of Pathology, Kure-Kyosai Hospital, Federation of National Public Service Personnel Mutual Aid Associations, Hiroshima, Japan
Ryosuke Nobuhiro: Department of Pathology, Kure-Kyosai Hospital, Federation of National Public Service Personnel Mutual Aid Associations, Hiroshima, Japan
Go Kobayashi: Department of Pathology, Kure-Kyosai Hospital, Federation of National Public Service Personnel Mutual Aid Associations, Hiroshima, Japan
Yoichi Saito: Department of Pathology, Kure-Kyosai Hospital, Federation of National Public Service Personnel Mutual Aid Associations, Hiroshima, Japan
Hiroyuki Nose: ORCiD; Department of Urology, Kure-Kyosai Hospital, Federation of National Public Service Personnel Mutual Aid Associations, Hiroshima, Japan
Naohide Oue: ORCiD; Department of Molecular Pathology, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan

DOI: https://doi.org/10.1159/000528821
Journal volume & issue: Vol. 16, no. 1
pp. 82 – 87

Abstract

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Bilateral synchronous paratesticular leiomyoma (BSPL) is a rare tumor that originates from smooth muscle cells in the paratesticular region. Four BSPL cases have been reported sporadically, starting with the 1991 report by Aus and Boiesen. Herein, we report the case of a 60-year-old male with a bilateral scrotal mass with a maximum size of 7.5 cm. Histological examination revealed oval to spindle-shaped tumor cells with a fascicular growth pattern. Immunohistochemically, the tumor cells were positive for α-smooth muscle actin. The pathological diagnosis was a leiomyoma. Based on the simultaneous bilateral nature of the disease, BSPL was diagnosed. In conclusion, we encountered a rare case of BSPL, and our report may contribute to the understanding of this disease.

Published in Case Reports in Oncology

ISSN: 1662-6575 (Online)
Publisher: Karger Publishers
Country of publisher: Switzerland
LCC subjects: Medicine: Internal medicine: Neoplasms. Tumors. Oncology. Including cancer and carcinogens
Website: http://www.karger.com/cro

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