4 - Mixed tubulopapillary hidroadenoma and syringocystadenoma papilliferum of the thigh occuring on lentiginous hyperplasia
Ayşin Karasoy Yeşilada, Mahmut Ulvi Kayalı, Özay Özkaya, Damlanur Sakız, Lütfü Baş
Syringocystadenoma papilliferum is an uncommon cutaneous adnexal benign tumor most commonly located on the scalp or face. It frequently arises from a nevus sebaceus. This lesion rarely arises on the trunk and extremities. Mixed tubulopapillary hidroadenoma is a recently proposed category for adnexal tumors that remains controversial. It encompasses a spectrum of lesions from papillary ecchne adenoma (PEA) to tubular apocrine adenoma (TAA). Eight cases of tubular apocrine adenoma or papillary eccrine adenoma with syringocystadenoma papilliferum have been reported. We present a case of 56-year old female patient with tubulopapillary hidroadenoma and syringocystadenoma papilliferum with lentiginous melanocytic hyperplasia on the thigh.
Keywords: Syringocystadenoma papilliferum, lentiginous hyperplasia, mixed tubulopapillary hidroadenoma
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