Enlarging scalp nodule. Proliferating trichilemmal cyst (PTC).
Bulengo-Ransby
S M
SM
Medical University of South Carolina, Charleston, USA.
Johnson
C
C
Metcalf
J S
JS
D004814:Epidermal Cyst / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012536:Scalp Dermatoses / Q000473:pathology*; D012883:Skin Ulcer / Q000473:pathology