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  • Title: Dermal Duct Tumor: A Diagnostic Dilemma.
    Author: Miller AC, Adjei S, Temiz LA, Gill P, Siller A, Tyring SK.
    Journal: Dermatopathology (Basel); 2022 Jan 28; 9(1):36-47. PubMed ID: 35225875.
    Abstract:
    Poromas or poroid tumors are a group of rare, benign cutaneous neoplasms derived from the terminal eccrine or apocrine sweat gland duct. There are four poroma variants with overlapping features: dermal duct tumor (DDT), eccrine poroma, hidroacanthoma simplex, and poroid hidradenoma, of which DDT is the least common. Clinically, the variants have a nonspecific appearance and present as solitary dome-shaped papules, plaques, or nodules. They can be indistinguishable from each other and a multitude of differential diagnoses, necessitating a better understanding of the characteristics that make the diagnosis of poroid neoplasms. However, there remains a paucity of information on these lesions, especially DDTs, given their infrequent occurrence. Herein, we review the literature on DDTs with an emphasis on epidemiology, pathogenesis, clinical features, diagnosis, and management.
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