Immunohistochemical and Ultrastructural Study on

Pilomatrixoma, or calcifying epithelioma of Malherbe, is a benign dermal tumor with differentiation toward hair and hair follicles. The head and neck portions of children and young adults are the most common sites of this tumor [1,2]. Tumor cells are mainly composed of shadow and basophilic cells corresponding to the cortex cells of normal hair. In addition… CONTINUE READING