A 63-year-old woman was evaluated in 1995 for a nodule on the left parietal scalp. Biopsy revealed pilomatrixoma. The lesion was treated by curettage. The patient returned to the clinic in March of 1998 with a 2-month history of a rapidly growing nodule at the surgical site. Histology showed changes consistent with pilomatrix carcinoma. We will discuss the malignant transformation of a common hair matrix tumor and review the literature. (J Am Acad Dermatol 2001;44:358-61.)Le texte complet de cet article est disponible en PDF.
|☆|| This supplement is made possible through an educational grant from Ortho Dermatological to the American Academy of Dermatology.
|☆☆|| Reprint requests: Marsha Chaffins, MD, Department of Dermatology, K-16, 2799 W Grand Blvd, Detroit, MI 48202.
|★|| J Am Acad Dermatol 2001;44:358-61