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Mediastinal hibernoma presenting with hoarseness.
Nikolaos Barbetakis1, Christos Asteriou, Anestis Stefanidis
1Department of Thoracic Surgery, Theagenio Cancer Hospital, A. Simeonidi 2, 54007 Thessaloniki, Greece. nibarbet@yahoo.gr
Interactive Cardiovascular and Thoracic Surgery
|February 8, 2011
Summary
Hibernoma, a rare benign tumor of brown fat, can present as a mediastinal mass causing hoarseness. Careful histological examination is crucial to distinguish it from liposarcoma.
Area of Science:
- Oncology
- Pathology
- Surgical Oncology
Background:
- Hibernoma is a rare benign soft tissue tumor originating from brown adipose tissue.
- Mediastinal masses can present with various symptoms, including hoarseness.
Observation:
- A 52-year-old female presented with progressive hoarseness due to a left upper mediastinal mass.
- Surgical exploration revealed a soft, encapsulated mass adjacent to the aortic arch.
Findings:
- Histopathological analysis confirmed the mass as a hibernoma.
- Certain hibernoma variants may mimic liposarcoma on histological examination.
Implications:
- Accurate diagnosis of hibernoma is essential to avoid misclassification as a malignant tumor.
- Long-term patient follow-up is recommended due to potential diagnostic challenges and the benign nature of hibernoma.
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