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Testicular Pouch Hibernoma: A Case Report.
Eric Martinez Lino1, Waldomiro Camargo1, Beatriz Varanda Rizzo Teixeira2
1Urology, Faculty of Medicine of São José do Rio Preto, São José do Rio Preto, BRA.
Cureus
|February 2, 2022
Summary
Hibernomas, rare tumors from brown fat, can occur in the scrotum. This case highlights the importance of considering hibernoma in scrotal nodule diagnoses, distinct from common lipomas.
Area of Science:
- Histopathology
- Oncology
- Endocrinology
Background:
- Hibernomas are rare benign tumors originating from brown adipose tissue (BAT).
- Brown adipose tissue plays a crucial role in non-shivering thermogenesis.
- In adult humans, ectopic brown adipose tissue is typically found in specific anatomical locations.
Observation:
- A 34-year-old male presented with a scrotal nodule initially suspected to be a lipoma.
- The nodule was located within the testicular pouch.
- Diagnostic workup included histopathological analysis.
Findings:
- Histopathological examination confirmed the diagnosis of hibernoma.
- This represents a rare occurrence of hibernoma in the scrotum, with only two prior reports.
- The patient underwent successful surgical excision of the tumor.
Implications:
- Hibernoma should be included in the differential diagnosis for scrotal lipomatous lesions.
- This case expands the known anatomical distribution of hibernomas.
- Accurate diagnosis is essential for appropriate patient management and to distinguish from other neoplasms.

