Giant Scrotal Fibrolipoma

Rare Tumors
Ioannis MykoniatisPetros Sountoulides

Abstract

Fibrolipoma, an infrequent histological subtype of lipoma, is considered a benign mesenchymal neoplasm. Fibrolipoma of the scrotum is an even more rare entity. We report a case of a 55-year-old male complaining for a slow-growing, painless mass in his left hemis-crotum. Imaging with ultrasonography and magnetic resonance imaging was inconclusive regarding the nature of the tumor and the tumor was excised, sparing the testis. The surgical specimen was a well-defined, yellowish white, solid, and firm mass, measuring 19.5×7×5 cm. There was no cytological atypia or mitosis and no lipoblasts recognized. On immunohistochemistry, MDM2 and CDK4 were not expressed. The histopathology report was fibrolipoma of the scrotum. To the best of our knowledge, this is only the fourth case of fibrolipoma originating from the scrotal components, spermatic cord or testis that has been reported in the English literature.

References

Jan 1, 1983·The Journal of Urology·R P HubenP F Schellhammer
Mar 7, 2002·Urology·Valdair MugliaPeter Leonard Cooperberg
Apr 21, 2010·Pathology International·Tadashi Terada
May 6, 2014·Magnetic Resonance Imaging Clinics of North America·Athina C TsiliMaria I Argyropoulou
Jul 17, 2014·Urologic Oncology·Dayron RodríguezAdam S Feldman
Apr 2, 2015·The American Journal of Surgical Pathology·Oleksandr N KryvenkoJonathan I Epstein

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