Abstract
This case report presents a lipofibromatous hamartoma of the median nerve in a 31-year-old man who presents local deformity and a sensory deficit in the nerve territory. The tumor was evaluated with magnetic resonance, computed tomography, and plain film radiography, studying the pathognomonic findings of this tumor. The patient did not want surgical treatment because of prior surgical sequelae. A prior surgical biopsy was reported as a peripheral nerve with normal axonal fascicles surrounded by abundant fibroadipose tissue. This tumor has a low incidence with less than 180 cases reported in the literature.
Highlights
A case report on the importance of imaging in the diagnosis of Lipofibromatous Hamartoma of the median nerve
Lipofibromatous hamartoma (LFH) is a rare, benign tumor with less than 180 cases reported in the literature that affects peripheral nerves causing hypertrophy and infiltration of the perineurium and epineurium by fibroadipose tissue that surrounds and separates axonal fibers [1]
The pathology report of the biopsy that was processed in the same institution of the surgery was inconclusive describing the findings as a peripheral nerve with normal axonal fibers surrounded by abundant fibroadipose tissue
Summary
Lipofibromatous hamartoma (LFH) is a rare, benign tumor with less than 180 cases reported in the literature that affects peripheral nerves causing hypertrophy and infiltration of the perineurium and epineurium by fibroadipose tissue that surrounds and separates axonal fibers [1]. It has a predilection for the arms, affecting primarily the median nerve and its branches in 66–80% of cases [2]. A definitive diagnosis can be achieved by histopathology, a biopsy implies putting motor and sensory function of the nerve at risk.
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