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Fibrolipomatous Hamartoma and Its Ultrasound Diagnosis: Case Series and Review of the Literature

Whittle, Carolina MD*†; Schonstedt, Valeria MD; Schiappacasse, Giancarlo MD*†

doi: 10.1097/RUQ.0000000000000051
Case Reports

Fibrolipomatous hamartoma is a benign tumor mainly affecting peripheral nerves. It is characterized by abnormal growth of fibroadipose tissue within the nerve, leading to progressive compressive neuropathies. Carpal tunnel syndrome is the most frequent among them. Although it is considered an infrequent tumor, magnetic resonance imaging use has led to an increase in case reports. We present 3 clinical cases of fibrolipomatous hamartoma consulting due to soft tissue mass, which were diagnosed by ultrasound.

*Imaging Department, Facultad de Medicina Clínica Alemana, and †Departamento de Imágenes, Facultad de Medicina Clínica Alemana de Santiago, Universidad del Desarrollo, Santiago, Chile.

Received for publication July 22, 2013; accepted October 2, 2013.

The authors declare no conflict of interest.

Reprints: Carolina Whittle, MD, Servicio de Ecotomografia, 2° piso, Departamento de imágenes, Clínica Alemana, Vitacura 5951, Vitacura, Santiago, Chile (e-mail:;

© 2014 by Lippincott Williams & Wilkins