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Archivos argentinos de pediatría

Print version ISSN 0325-0075


COLLADO, Laura; SIERRE, Sergio; BOSALEC, Andrea  and  LIPSICH, José. Hibernoma: brown fat retroperitoneal tumor: Report of a pediatric case. Arch. argent. pediatr. [online]. 2011, vol.109, n.6, pp.126-129. ISSN 0325-0075.

Hibernoma is a rare benign tumor of soft tissue, composed of brown fat. This tissue is predominant in hibernating animals and hence its name. Because of its rarity in Pediatrics and diffcult diagnosis, we report a 3 month-old patient with a diagnosis consistent with an abdominal tumor. Ultrasound and computed tomography exams showed an infltrative retroperitoneal tumor, with hypervascular and lipomatous features. After tumor excision, histopathological exam confrmed the diagnosis of hibernoma or brown fat tumor. This presentation describes the characteristics of this type of tumor, rare in children, and reviews the fatty tumors, according to their frequency in pediatric patients.

Keywords : Hibernoma; Neoplasms; Adipose tissue; Vascular neoplasm; Pediatrics.

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