Extensive intraneural fascicular dissection of a lipofibromatous hamartoma of the ulnar digital nerve of the thumb

Abstract

Lipofibromatous hamartoma (LFH) is a rare, benign fibrofatty tumor of the peripheral nerves. Only a handful of cases have been reported in the literature, together with cases of LFH of the digital branches of the median nerve. The median nerve is the most commonly affected site. Different treatment approaches to LFH have been described according to the clinical presentation. A case of LFH of the ulnar digital nerve of the left thumb that underwent extensive intraneural fascicular dissection and mass excision is described in this paper. Good results were obtained, i.e., pain relief and good cosmesis. Extensive intraneural fascicular dissection and mass excision are considered to be a good management option for LFH of the digital branches of the median nerve, without the requirement of nerve excision or nerve grafting.

Level of evidence: Level V, therapeutic study.

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