A Single Lesion Demonstrating Features of Eccrine Poroma and Poroid Hidradenoma

Misago, Noriyuki; Kohda, Hiromu

doi:10.1111/j.1346-8138.1995.tb03920.x

Cited by 19 publications

(18 citation statements)

References 14 publications

(11 reference statements)

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“…On the histological examination the lesion described here proved to be adnexal tumor of the skin with features of both eccrine poroma and poroid hidradenoma. A similar lesion has been described by Misago and Kohda [14] and Kakinuma et al [15] featuring hidroacanthoma simplex, eccrine poroma, and dermal duct tumor features. The coexistence of these tumors is probably attributed to simultaneous tumorigenesis in different parts of the skin and the sweat glands that leads to different expressions of eccrine poroma [2].…”

Section: Discussionsupporting

confidence: 72%

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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Section: Discussionsupporting

confidence: 72%

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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“…Our case fulfilled morphological criteria for PH, as has been already described [1][2][3][4][5][6][7]. Its immunohistochemical profile suggested that it was closely related to a poroma [2,3,5,6] and that it kept with an eccrine derivation.…”

supporting

confidence: 79%

“…rarity of PPH, present case being the second one which has been reported. Poroid hidradenomas are seen mostly in the extremities, the head and neck, and vulva [1,2,6,7]. Its occurrence on the chest wall in our case suggested that there was no site of predilection for this rare tumour.…”

mentioning

confidence: 50%

Papillary Poroid Hidradenoma: A Distinct Histopathological Entity A Rare Case Report

et al. 2014

JCDR

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A 34-years-old male presented with a mass over the right chest wall, below the nipple, of 18 months duration. Physical examination revealed a tense, cystic, painless swelling of size, 5 cm. Transillumination was positive. Chest ultrasound revealed a heterogeneous mass with anechoic and cystic components, with mild vascularity. CT-scan showed a subcutaneous mass which presented dual solid and cystic components. A clinical diagnosis of a cyst with malignancy was suspected. A total surgical excision was performed and the mass was submitted for a histolopathologic examination.Gross examination revealed a skin covered, well-circumscribed, fluctuant mass which measured 5cmx5cm×3cm. The cut surface showed a variegated appearance with a multilocular cystic lesion which was filled with mucoid cloudy fluid and solid papillary areas. The multilocular cystic areas showed intracystic papillary fronds of tumour. The tumour was greyish white in appearance. The lower border revealed subcutaneous fat. The stretched shiny skin on the external surface and around the tumour did not reveal hair [Table / Fig-1A,1B]. Histology revealed a well-circumscribed, solid-cystic Pathology Section aBstRaCt Papillary poroid hidradenoma is a very rare entity which belongs to poroid neoplasms, which represents 10% of sudoriferous tumours. It can be easily misdiagnosed as a malignant neoplasm. A 34-years-old male presented with an asymptomatic mass over the right chest wall, below the nipple, of 18 months duration. Clinical examination revealed tense cystic swelling which revealed hypoechoic and solid components on imaging. Clinically, a malignancy was suspected and a surgical excision was done. Histology and immunoreactivity to pan cytokeratin, epithelial membrane antigen and carcino-embryonic antigen confirmed the diagnosis. We are reporting this case because of the rarity of its presentation.

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“…They are hidroacanthoma simplex, eccrine poroma, dermal duct tumor and poroid hidradenoma (PH)(5). Some authors have reported the association of two or three of these tumors in a single lesion (6,7). In this paper, a case of an overlapping eccrine duct tumor [ecrine poroma(EP)+ dermal duct tumor(DDT)+ eccrine hidradenoma(EH)] is reported.…”

Section: Introductionmentioning

confidence: 99%

Three Adnexal Tumors in a Single Lesion: A Case Report

Sarı

Horoz

Ozakpinar

et al. 2014

GMJ

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Eccrine poroma is a benign tumor originating from the epidermal sweat duct unitis. Malignant transformation may occur in these lesions, and symptoms of bleeding, pain, and pruritus suggest potential malignancy. Common sites of involvement include plantar, palmar, and acral skin, but eccrine poromas may occur in any skin surface area with sweat glands. Hidroacanthoma simplex, eccrine poroma, dermal duct tumor and poroid hidradenoma are four histopathologic types of poroma or poroid neoplasms. Some authors have reported a combination of two or three of these tumors in a single lesion. As far as we know, the overlapping ecrine ductal tumor that covers eccrine poroma(EP), dermal duct tumor(DDT), and eccrine hidradenoma(EH)] has not been reported in the literature. The aim of this report is to present this rare case. ÖZETEkrin poroma, epidermal ter bezi ünitelerinden kaynaklanan benign bir tümördür. Bu lezyonlarda malignleşme potansiyeli olabilir ve kanama, ağrı ve kaşıntı bulguları potansiyel bir maligniteyi akla getirmektedir. Plantar, palmar ve akral deri sıkça etkilenen alanları içermektedir, fakat ekrin poromalar ter bezleri içeren herhangi bir deri alanında da oluşabilirler. Hidroakantoma simpleks, ekrin poroma, dermal kanal tümörü ve poroid hidradenom poroma poroid neoplazmların 4 tipidir. Bazı yazarlar bu tümörlerden iki ya da üçünün tek bir lezyonda ilişkili olduklarını raporlamışlardır. Bildiğimiz kadarıyla ekrin poroma(EP), dermal kanal tümörü(DDT) ve erkin hidradenom(EH) içeren çakışmış ekrin duktal tümör literatürde yayınlanmamıştır. Bu bildirinin amacı, nadir olan bu olguyu sunmaktır.

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A Single Lesion Demonstrating Features of Eccrine Poroma and Poroid Hidradenoma

Cited by 19 publications

References 14 publications

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

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

Papillary Poroid Hidradenoma: A Distinct Histopathological Entity A Rare Case Report

Three Adnexal Tumors in a Single Lesion: A Case Report

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