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INTRODUCTION
Cutis verticis gyrata is a rare disease, characterized by skin folds and grooves resembling the brain surface [1]. It is usually observed on the scalp but involvement of neck, legs, buttocks and scrotum have also been reported [2]. Basically, it has been classified as primary (essential and non-essential) and secondary cutis verticis gyrata. The primary essential form evolves from normal skin, on the other hand secondary forms can be associated with neoplasms, inflammatory diseases, systemic and congenital diseases [3]. Cutis verticis gyrata associated with cerebriform intradermal nevi is among the rare secondary forms. In this case report we present a case of cutis verticis gyrate secondary to intradermal nevus.
CASE REPORT
A 22-years-old healthy man was admitted to our clinic with complaints of curved areas of the scalp that he had noticed 4 years ago. There was no history of trauma and there was no similar complaints in the family. Physical examination revealed slightly hyperpigmented soft and deep folds in the right temporal region and occipital regions of the scalp, in an area of about 9x5 cm (Fig. 1 [See PDF]). The lesions were asymptomatic with palpation. The nails and mucous membranes were normal. The examination of the neurological and ocular systems were normal. A skin biopsy was performed and the specimen was stained with hematoxylin and eosin (Fig. 2 [See PDF] and 3). Histopathological evaluation revealed intradermal nevi composed of nevus cells in the dermis in full thickness slot (Fig. 2 [See PDF]). There was no cellular atypia. Solitary or clusters of nevus cells containing varying amounts of melanin in the dermis without a junctional component (Fig. 3 [See PDF]). As...