An unusually aggressive trichoblastoma.
Trichogenic tumors are neoplasms of the hair germ cell that usually exhibit benign behavior. We describe a case of a large invasive trichoblastoma requiring Mohs micrographic surgery for its removal. Immunohistochemical studies performed demonstrate overlapping features of this trichogenic tumor with basal cell carcinoma.
Cowen
E W
EW
Department of Medicine/Section of Dermatology, The Pennsylvania State University College of Medicine, The Milton S. Hershey Medical Center, Penn State Geisenger Health System, Hershey 17033, USA.
Helm
K F
KF
Billingsley
E M
EM
D062109:Dermatologic Surgical Procedures; D005153:Facial Neoplasms / Q000378:metabolism / Q000473:pathology* / Q000601:surgery; D006801:Humans; D007150:Immunohistochemistry; D008297:Male; D008875:Middle Aged; D015580:Mohs Surgery; D012867:Skin / Q000378:metabolism / Q000473:pathology; D012878:Skin Neoplasms / Q000378:metabolism / Q000473:pathology* / Q000601:surgery