Poromas of the head and neck

Moore, Tarquin O.; Orman, Heather L.; Orman, Steven K.; Helm, Klaus F.

doi:10.1067/mjd.2001.110048

Cited by 52 publications

(55 citation statements)

References 9 publications

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“…P were present on palms (2%) and soles (22%), as initially described in the literature, but a majority of them were located on the trunk, the head, and the neck, or the hair-bearing zone of the lower limbs, as reported afterward. 2,16 On the contrary, HS, DDT, and PH never involved palms and soles. HS were found in the vast majority on the trunk and on the lower limbs.…”

Section: Discussionmentioning

confidence: 95%

From Hidroacanthoma Simplex to Poroid Hidradenoma: Clinicopathologic and Immunohistochemic Study of Poroid Neoplasms and Reappraisal of Their Histogenesis

Battistella

Langbein

Peltre

et al. 2010

The American Journal of Dermatopathology

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Section: Discussionmentioning

confidence: 95%

From Hidroacanthoma Simplex to Poroid Hidradenoma: Clinicopathologic and Immunohistochemic Study of Poroid Neoplasms and Reappraisal of Their Histogenesis

Battistella

Langbein

Peltre

et al. 2010

The American Journal of Dermatopathology

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“…Commonest location is the head and neck and not the foot as previously believed. Also it is usual in the extremities and the trunk [12]. HS does not occur in palms or soles [5].…”

Section: Discussionmentioning

confidence: 99%

A Large Lumbar Adnexal Neoplasm Presenting Characteristics of Eccrine Poroma and Poroid Hidradenoma

Michalinos

Schizas

Sarakinos

et al. 2017

Case Reports in Surgery

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Poroma is a rare benign neoplasm that derives from eccrine sweat glands epithelium. Its histological subtypes, with respect to its position within skin layers, are eccrine poroma, hidroacanthoma simplex, poroid hidradenoma, and dermal duct tumor. Poromas commonly exhibit benign clinical behavior as they are usually small and asymptomatic and do not exhibit malignant behavior. Although their histological subtypes share similar histological characteristics, they rarely coexist in the same tumor. In this report we present the case of an unusual poroma in terms of histological and clinical behavior as it was large and presented histological characteristic of both eccrine poroma and poroid hidradenoma. Coexistence of different histologic subtypes in the same tumor indicates simultaneous tumorigenesis, differentiation from one cell type to another, or parallel differentiation from a common progenitor cell. Implications in treatment remain unknown partly due to the rarity of such cases.

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“…The earlier literature explains that by the high concentration of eccrine glands on the acral surfaces, especially the sole of the foot. However, newer reports demonstrate that it can form elsewhere on the body, including areas without a high density of eccrine ducts and in hair-bearing areas [5,6]. It arises within the epidermis and it is superficial, with sharply demarcated borders, originating from the uppermost portion of the intra-epidermal eccrine duct and the acrosyringium [7].…”

Section: Discussionmentioning

confidence: 99%

Poromatosis Following Ewing Sarcoma

Abduljabbar¹,

Alanazi²,

Fathadin³

2016

J Clin Exp Dermatol Res

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Eccrine poromas are rare, benign adnexal tumors derived from the intraepidermal portion of sweat ducts. Historically they were thought to arise from eccrine ducts although today it is thought that they may also have an apocrine origin. They usually appear as solitary, slow-growing, skin-colored papules on acral surfaces. Here we present the unusual situation of a patient with multiple poromas who was previously treated with chemotherapy and radiation for Ewing sarcoma. This report adds to the increasing evidence that connect multiple poromas to some treatments of malignant conditions.

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Poromas of the head and neck

Cited by 52 publications

References 9 publications

From Hidroacanthoma Simplex to Poroid Hidradenoma: Clinicopathologic and Immunohistochemic Study of Poroid Neoplasms and Reappraisal of Their Histogenesis

From Hidroacanthoma Simplex to Poroid Hidradenoma: Clinicopathologic and Immunohistochemic Study of Poroid Neoplasms and Reappraisal of Their Histogenesis

A Large Lumbar Adnexal Neoplasm Presenting Characteristics of Eccrine Poroma and Poroid Hidradenoma

Poromatosis Following Ewing Sarcoma

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