Epididymal Leiomyoma: A Rare Paratesticular Neoplasm Mimicking Malignancy

Faculty Mentor

Dr. Myka Bussey-Campbell

Location

Savannah Ballroom

Type of Research

Proposed

Session Format

Poster Presentation

College

Waters College of Health Professions

Department

Clinical Sciences

Abstract

Abstract

Epididymal Leiomyomas are rare benign tumors that arise from smooth muscle. These tumors represent the second most common benign epididymal neoplasm. These tumors are most common in men aged 40-49 years old. The presentation and features on ultrasound imaging of epididymal leiomyomas can mimic malignant testicular tumors and lead to unnecessary orchiectomy. This case involves a 28-year-old African American male who presented with intermittent testicular pain and swelling after a football injury. Ultrasound showed a heterogeneous, well-defined epididymal mass with internal vascularity. His left epididymis had increased in size to 2.4 x 2.1 x 2.3 cm. Epididymal leiomyomas can be managed by several different surgical options, including the removal of the leiomyoma, taking an intraoperative frozen section during surgery to confirm if it is benign, and then performing an epididymectomy if needed. Another option would be to do a surgical exploration. This option would be used to see if surgeons can determine if the mass is malignant or benign. The prognosis for patients who receive surgery is good because the mass is removed and generally does not reappear. One major impact of epididymal leiomyomas can be on fertility. This would occur if the epididymal duct were to be blocked, but it would be restored if surgery were performed, and the epididymis was left undisturbed. This case study indicates how ultrasound can be used to help differentiate a neoplasm from a malignant mass.

Keywords: epididymal leiomyoma, rare benign testicular neoplasm, incidental finding, scrotal ultrasound, epididymectomy

Program Description

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Start Date

4-21-2026 1:30 PM

End Date

4-21-2026 3:30 PM

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Apr 21st, 1:30 PM Apr 21st, 3:30 PM

Epididymal Leiomyoma: A Rare Paratesticular Neoplasm Mimicking Malignancy

Savannah Ballroom

Abstract

Epididymal Leiomyomas are rare benign tumors that arise from smooth muscle. These tumors represent the second most common benign epididymal neoplasm. These tumors are most common in men aged 40-49 years old. The presentation and features on ultrasound imaging of epididymal leiomyomas can mimic malignant testicular tumors and lead to unnecessary orchiectomy. This case involves a 28-year-old African American male who presented with intermittent testicular pain and swelling after a football injury. Ultrasound showed a heterogeneous, well-defined epididymal mass with internal vascularity. His left epididymis had increased in size to 2.4 x 2.1 x 2.3 cm. Epididymal leiomyomas can be managed by several different surgical options, including the removal of the leiomyoma, taking an intraoperative frozen section during surgery to confirm if it is benign, and then performing an epididymectomy if needed. Another option would be to do a surgical exploration. This option would be used to see if surgeons can determine if the mass is malignant or benign. The prognosis for patients who receive surgery is good because the mass is removed and generally does not reappear. One major impact of epididymal leiomyomas can be on fertility. This would occur if the epididymal duct were to be blocked, but it would be restored if surgery were performed, and the epididymis was left undisturbed. This case study indicates how ultrasound can be used to help differentiate a neoplasm from a malignant mass.

Keywords: epididymal leiomyoma, rare benign testicular neoplasm, incidental finding, scrotal ultrasound, epididymectomy