Scar-like lesion on dorsal nose (cellular neurothekeoma)

Abstract

Abstract. Neurothekeomas are tumors of neural differentiation and of unknown origin that occur in females at the 2ndand 3 rddecades of life. They usually affect the face with an unspecific clinical aspect. The histological features include cellular or mixoid differentiation and immunohistochemistry can be positive for protein s-100, vimentin and epithelilal membrane antigen (EMA). This case report presents a 13-year-old female patient with nasal neurothekeoma of cellular variety and strongly positive for vimentin and s-100; and negative for EMA.