Search Results for: hidradenoma papilliferum

A Clinical Atlas of 101 Common Skin Diseases

Nevus Sebaceus

A hamartoma of epidermis, epithelial structures of adnexa, and presumably dermal elements, typified, when fully formed, by a papillated or verrucous yellowish plaque situated usually on the scalp. The condition may present itself as a solitary…

An unusual lesion in the right place

An unusual lesion in the right place

…dageal tumor and was totally excised, no further diagnostic or therapeutic procedures were performed. Answer and explanation Hidradenoma papilliferum (HP) is a rare benign appendageal tumor occurring mainly in the anogenital region of adult women […

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Eccrine Neoplasms?

…indroma Spiradenoma Poroma group Eccrine poroma Dermal duct tumor Hidroacanthoma simplex Syrngoacanthoma Syringofivroadenoma Hidradenoma Hidradenoma (poroid hidradenama) Malignant eccrine tumors Microcystic adnexal carcinoma Eccrine carcinoma…

Differential Diagnosis in Dermatopathology

Discussions

Syringocystadenoma papilliferum and hidradenoma papilliferum are both apocrine papillated cystadenomas. Clinically, syringocystadenoma papilliferum appears at birth or in early childhood as a crusted, often weeping, verrucous plaque, usually on the…

Differential Diagnosis in Dermatopathology

Discussions

…escribed are seen to be poroid and cuticular with numerous duct-like structures lined by a cuticle, the diagnosis is eccrine hidradenoma. That hidradenoma consists only of poroid cells (like those lateral to cells that line a normal acrosyringium)…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Basal-Cell Carcinoma Common in Nevus Sebaceus?

…proliferating pilar tumor, and sebaceous adenoma; and apocrine neoplasms (20%), such as apocrine adenoma, syringocystadenoma papilliferum, and apocrine hidrocystoma. . . . BCCs associated with nevus sebaceus frequently show features of primitive…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

Syringocystadenoma papilliferum Hidradenoma papilliferum 1. Not truly cystic (not a sac enclosed by epithelium) 1. Truly cystic (a sac enclosed completely or almost completely by epithelium) 2. Surface of skin papillated and hyperkeratotic 2….