[Osteochondromas: introducing the subungual osteochondroma].

INTRODUCTION: Subungual osteochondromas are benign tumors of the sub- or periungual region, causing lifting, ulceration and deformity at that level.

OBJECTIVE: To research the incidence of subungual osteochondromas in a specific pediatric population.

MATERIAL AND METHODS: Retrospective, transversal, descriptive and observational study based on the review of records with a histopathological result of osteochondroma from 2001 to 2014.

RESULTS: The pathological assessment featured four osteochondromas that corresponded to the subungual presentation, with an equal gender distribution of 1:1, an average age of 9.5 years, right: left ratio of 3:1; the 4th finger was the most affected.

DISCUSSION: Subungual osteochondroma has an incidence of 8.5% of all osteochondromas.