Fibroma of epididymis

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Abstract

Benign or malignant tumors of the epididymis are extremely rare. Fibroids of the epididymis and scrotal tissues are rare benign neoplasms. Over the past 10 years, there have been isolated cases in the medical literature describing fibroids of the epididymis and testicular membranes. This article describes a clinical case of surgical treatment of a tumor of the epididymis.

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About the authors

Vladimir V. Protoshchak

S.M. Kirov Military Medical Academy of the Ministry of Defense of the Russian Federation

Email: protoshakurology@mail.ru

Doctor of Medical Science, Professor, Head of Urology Department

Russian Federation, Saint Petersburg

Aleksei A. Sivakov

S.M. Kirov Military Medical Academy of the Ministry of Defense of the Russian Federation

Email: alexei-sivakov@mail.ru

Candidate of Medical Science, Deputy Head of Urology Department and Clinic

Russian Federation, Saint Petersburg

Vasilii K. Karandashov

S.M. Kirov Military Medical Academy of the Ministry of Defense of the Russian Federation

Email: karandashov_vk@mail.ru

head of oncology department of the urology clinic. S.M. Kirov Military Medical Academy of the Ministry of Defense of the Russian Federation

Russian Federation, 194044, Санкт-Петербург, улица Академика Лебедева, 6

Sergej M. Gozalishvili

S.M. Kirov Military Medical Academy of the Ministry of Defense of the Russian Federation

Author for correspondence.
Email: gozalishwili@mail.ru

Candidate of Medical Science, Head of Oncology Department of the Urology Clinic

Russian Federation, Saint Petersburg

Vadim S. Chirsky

S.M. Kirov Military Medical Academy of the Ministry of Defense of the Russian Federation; Central Pathological Laboratory of the Ministry of Defense of the Russian Federation

Email: v_chirsky@mail.ru

Doctor of Medical Science, Professor, Chief Pathologist of the Ministry of Defense of the Russian Federation, Head of the Department of Pathological Anatomy; Head

Russian Federation, Saint Petersburg

Alina A. Erohina

S.M. Kirov Military Medical Academy of the Ministry of Defense of the Russian Federation

Email: lokitrikster@yandex.ru

Pathologist

Russian Federation, Saint Petersburg

Maksim V. Lazutkin

S.M. Kirov Military Medical Academy of the Ministry of Defense of the Russian Federation

Email: maxim-077@yandex.ru

Doctor of Medical Science, Deputy Head of Department and Clinic of General Surgery

Russian Federation, Saint Petersburg

Sergej A. Alent’ev

S.M. Kirov Military Medical Academy of the Ministry of Defense of the Russian Federation

Email: alentev@yandex.ru

Doctor of Medical Science, Associate Professor of Department of General Surgery

Russian Federation, Saint Petersburg

References

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  2. Клиническая онкоурология / под ред. Б.П. Матвеева. – М.: АБВ-Пресс, 2011. – 934 с. [Klinicheskaya onkourologiya. Ed. by B.P. Matveev. Moscow: ABV-Press; 2011. 934 p. (In Russ.)]
  3. Marlett MM, Clark SS. Fibroma of tunica albuginea. Urology. 1979;14(4):381-383. https://doi.org/10.1016/0090-4295(79)90086-4.
  4. Balloch EA. Fibromata of the tunica vaginalis. Ann Surg. 1904;39(3): 396-402. https://doi.org/10.1097/00000658-190403000-00009.
  5. Jones MA, Young RH, Scully RE. Benign fibromatous tumors of the testis and paratesticular region: a report of 9 cases with a proposed classification of fibromatous tumors and tumor-like lesions. Am J Surg Pathol. 1997;21(3):296-305. https://doi.org/10.1097/00000478-199703000-00005.
  6. Saginoya T, Yamaguchi K, Toda T, Kiyuna M. Fibrous pseudotumor of the scrotum: MR imaging findings. AJR Am J Roentgenol. 1996; 167(1):285-286. https://doi.org/10.2214/ajr.167.1.8659413.
  7. Kalyani R, Das S. Adenomatoid tumor: Cytological diagnosis of two cases. J Cytol. 2009;26(1):30-32. https://doi.org/10.4103/0970-9371.54865.
  8. Vates TS, Ruemmler-Fisch C, Smilow PC, Fleisher MH. Benign fibrous testicular pseudotumors in children. J Urol. 1993; 150(6):1886-1888. https://doi.org/10.1016/s0022-5347(17) 35924-4.
  9. Moreno CC, Small WC, Camacho JC, et al. Testicular tumors: what radiologists need to know – differential diagnosis, staging, and management. Radiographics. 2015;35(2):400-415. https://doi.org/10.1148/rg.352140097.
  10. Kuhn MT, MacLennan GT. Benign neoplasms of the epididymis. J Urol. 2005;174(2):723. https://doi.org/10.1097/01.ju.0000170979.21638.e4.
  11. Davis CJ, Woodward PJ, Dehner LP, et al. Tumors of paratesticular structures. In: Eble JN, Sauter G, Epstein JI, et al. WHO classification of tumors. Pathology and genetics of tumors of the urinary system and male genital organs. Lyon: IARC press, 2004;267-276.
  12. Du S, Powell J, Hii A, et al. Myoid gonadal stromal tumor: a distinct testicular tumor with peritubular myoid cell differentiation. Hum Pathol. 2012;43(1):144-149. https://doi.org/10.1016/j.humpath.2011.04.017.

Supplementary files

Supplementary Files
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1. JATS XML
2. Fig. 1. Magnetic resonance image of a neoplasm of the epididymis of the left testicle: 1 – testicle, 2 – neoplasm of the epididymis

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3. Fig. 2. Surgical field after removal of the neoplasm of the appendage: 1 – left testicle; 2 – the bed of the removed neoplasm (the dotted line indicates the localization of the resected neoplasm); 3 – left epididymis

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4. Fig. 3. Resected neoplasm of the epididymis

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5. Fig. 4. The micropreparation. 1 – bundles of connective tissue fibers having different lengths and thicknesses, located in different directions, with signs of hyalinosis; 2 – endotheliocytes lining the slit-like vessels (stain hematoxylin-eosin, а – ×100; b – ×400)

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Copyright (c) 2020 Protoshchak V.V., Sivakov A.A., Karandashov V.K., Gozalishvili S.M., Chirsky V.S., Erohina A.A., Lazutkin M.V., Alent’ev S.A.

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