The biopsy specimens showed basaloid cells in the dermis that were arranged in a lobular pattern with a few ducts. The cellular islands were usually surrounded by a thick hyaline sheath. Occasionally, the same hyaline substance was seen in the lobules as small intercellular droplets. No perineural or vascular invasion was found.
Because of the diffuse and extensive location of the lesions, excision of all of them was considered to be impossible. For aesthetic reasons, a subtotal resection of the scalp was performed, and the resulting defect was repaired with split-thickness skin grafts from the upper back area.
Multiple and Disseminated Scalp Nodules. Arch Dermatol. 2001;137(2):219–224. doi:
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