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Scrotal sac leiomyoma: Case report of a rare benign scrotal mass.

ABSTRACT: Leiomyomas are benign mesenchymal tumors, the overwhelming majority of which are located in the uterus. Rare cases arise in other organs, including the scrotum, pelvis, bladder, and spermatic cord. This report evaluates the case of a 37-year-old man with a history of prior left inguinal hernia repair, who presented with a painless right scrotal mass. He first noticed the mass approximately 1 year prior to his initial visit. Subsequent ultrasound of the scrotum demonstrated a 5-cm circumscribed, hypoechoic, mildly vascular extratesticular mass located within the right hemiscrotum. Based on the initial imaging, the differential diagnosis included lipoma, adenomatoid tumor, papillary cystadenoma, leiomyoma, fibrous pseudotumor, sarcoid granuloma, sarcoma (including liposarcoma, rhabdosarcoma, or leiomyosarcoma), lymphoma, and an extranumerary testis. The mass had circumscribed margins, suggesting an encapsulated lesion, and was completely separate from the testicle on ultrasound. Despite this, testicular malignancy was not entirely excluded as a diagnosis, although it was considered far less likely. The patient was definitively treated with surgical excision of the mass. Pathology of the surgical specimen confirmed diagnosis of leiomyoma, a rare scrotal mass.

SUBMITTER: Aluko T

PROVIDER: S-EPMC6000064 | biostudies-other | 2018 Apr

REPOSITORIES: biostudies-other

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Scrotal sac leiomyoma: Case report of a rare benign scrotal mass.

Aluko Titilope T Masi Zachary Z Tomaszewski Jeffrey J Germaine Pauline P

Radiology case reports 20180209 2

Leiomyomas are benign mesenchymal tumors, the overwhelming majority of which are located in the uterus. Rare cases arise in other organs, including the scrotum, pelvis, bladder, and spermatic cord. This report evaluates the case of a 37-year-old man with a history of prior left inguinal hernia repair, who presented with a painless right scrotal mass. He first noticed the mass approximately 1 year prior to his initial visit. Subsequent ultrasound of the scrotum demonstrated a 5-cm circumscribed, ...[more]

PMID: 29904485

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Project description:Introduction Benign multicystic peritoneal mesothelioma (BMPM) represents a very rare clinical entity, with only 130 registered cases in the medical literature, therefore it is usually overlooked from the list of differential diagnoses. The treatment consists of surgery and other authors suggest complementing it with hyperthermic intraperitoneal chemotherapy. Presentation of case A 25-year-old multiparous female experienced periodic abdominal discomfort for two weeks. She developed constipation, urinary urgency, and irregular menstruation. Family history was remarkable for endometrial and breast cancer. Abdominal examination revealed a palpable mass. Abdominal ultrasound and computed tomography scan identified the multicystic appearance of the mass. The diagnosis was unclear, therefore exploratory laparotomy was performed, which revealed multiple grape-like clusters of cysts that were excised immediately. BMPM was diagnosed based on the pathology report. Eventually, the follow-up did not reveal any recurrence. Discussion Mesothelial tumors include three pathological entities, including Benign multicystic peritoneal mesothelioma (BMPM). BMPM is an uncommon neoplasm and has a high recurrence rate after surgery. BMPM consists of clear cysts that take the shape of a grape-like cluster. Clinically, BMPM resembles a tangible abdominal mass and it is challenging to be diagnosed, due to its numerous differential diagnoses. Conclusion The definitive diagnosis of intraperitoneal cystic masses is usually challenging. Therefore, BMPM -although very rare- should always be thought of when dealing with an intraperitoneal cystic mass, especially in women in the reproductive years. In our case cytoreductive surgery solely was sufficient to achieve a disease free follow up, however, further studies regarding treatment and follow-up are required. Highlights • The incidence of Benign multicystic peritoneal mesothelioma (BMPM) is exceptionally rare.• Pathological evaluation is considered the best technique to diagnose.• BMPM is most common in women in reproductive age.• BMPM should be considered as a differential diagnosis for abdominal masses.

Dataset Information

Scrotal sac leiomyoma: Case report of a rare benign scrotal mass.

Publications

Scrotal sac leiomyoma: Case report of a rare benign scrotal mass.

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