Poroid hidradenoma.
نویسندگان
چکیده
A 65-year-old male presented with a slowly enlarging nodule on his right leg, which had been present for 10 years and which had gradually increased in size over the previous 6 months. Physical examination revealed a red and dark bluish, dome-shaped nodule, 26 mm × 22 mm in size, on the right side of the posterior aspect of his right leg (Fig. 1). Histopathology revealed a well-demarcated, solid cystic lesion confined to the dermis (HE stain, X40). There was no apparent connection to the overlying epidermis (Fig. 2). Some cystic spaces contained amorphous eosinophilic material (asterisk, Fig. 2). The tumor appeared to be composed of two types of cells: small and darkstaining poroid cells, and large and paler cuticular cells (HE stain, X200). Duct-like structures surrounded by cuticular cells were also observed (arrows, Fig. 3). These findings were compatible with poroid hidradenoma, which is a benign dermal tumor. Poroid hidradenoma is a rare benign neoplasm described by Abenoza and Ackerman in 1990 (1). They classi-
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ورودعنوان ژورنال:
- Acta dermatovenerologica Croatica : ADC
دوره 19 2 شماره
صفحات -
تاریخ انتشار 2011