Eccrine Hamartomas

Jul 8, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Eccrine Hamartomas

Eccrine Hamartomas Christine J. Ko, MD Key Facts Microscopic Pathology Eccrine angiomatous hamartoma Eccrine glands normal (occasionally enlarged) or increased in number Endothelial cell-lined, thin-walled vascular spaces intimately admixed with…

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Spiradenoma

Jul 8, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Spiradenoma

Spiradenoma Steven D. Billings, MD Key Facts Clinical Issues Upper 1/2 of body most commonly involved Dermal mass/nodule, < 2 cm in size Often tender or painful lesion Microscopic Pathology…

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Cylindroma

Jul 8, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Cylindroma

Cylindroma Steven D. Billings, MD Key Facts Etiology/Pathogenesis Familial cases associated with Brooke-Spiegler syndrome Clinical Issues Marked female predominance (F:M = 9:1) 90% present on head and neck Microscopic Pathology…

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Hidradenocarcinoma

Jul 8, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Hidradenocarcinoma

Hidradenocarcinoma Christine J. Ko, MD David Cassarino, MD, PhD Key Facts Terminology Malignant acrospiroma, malignant hidradenoma Malignant adnexal tumor arising from, or showing areas similar to, a hidradenoma Clinical Issues…

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Porocarcinoma

Jul 8, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Porocarcinoma

Porocarcinoma David Cassarino, MD, PhD Key Facts Etiology/Pathogenesis May arise from malignant transformation of longstanding poroma Clinical Issues Rare tumors; approximately 200 cases reported Usually occur in elderly patients Acral…

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Poroma and Dermal Duct Tumor

Jul 8, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Poroma and Dermal Duct Tumor

Poroma and Dermal Duct Tumor David Cassarino, MD, PhD Key Facts Terminology Eccrine poroma Apocrine poroma Hidroacanthoma simplex (intraepidermal poroma, syringoacanthoma) Acrospiroma (older term, includes poroma and hidradenoma) Benign adnexal…

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Hidradenoma

Jul 8, 2016 by in PATHOLOGY & LABORATORY MEDICINE Comments Off on Hidradenoma

Hidradenoma Christine J. Ko, MD Key Facts Clinical Issues Solitary dermal nodule Microscopic Pathology May be primarily composed of solid areas, cystic areas, or both Classically does not connect to…

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