A Compressible Bulla on the Upper Back of a Teen

Enlarging tumor of the lateral chest wall in a 14‐year‐old boy

“…Based on a review of the literature available in 2014 [ 6 ] , the following clinical and epidemiological data on 45 patients with anetodermic pilomatricoma were obtained: average age: 19 years; female predominance; average tumor size: 29 × 23 mm; most frequent location: arm (37.8 %); average interval between onset and surgery: 12 months; occasionally, there was a history of trauma (5/45). Since then, there have been four case reports of females with such a tumor on the upper arm [7][8][9][10] and one report of a 24-year old man with a pilomatricoma on the right shoulder [ 11 ] . Our patient was also male, and developed said tumor on the right chest wall at the age of 14.…”