Poroid hidradenoma of the scalp

Min, Byung Duk; Lee, Chong Kun; Chung, Chang Eun; Kim, Dong Chul; Paik, So Ya

doi:10.7181/acfs.2021.00101

Cited by 3 publications

(2 citation statements)

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“…These tumors are composed of two types of cells: small, round, basophilic poroid cells and eosinophilic, squamoid cuticular cells with eccrine differentiation [6]. PH is thought to be a benign cutaneous neoplasia with low (<1%) risk of malignant transformation [32]. However, complete surgical excision remains the standard treatment due to possible advancement of pathology from a benign eccrine poroma to eccrine porocarcinoma [39][40][41] or development of carcinomatous changes to hidradenocarcinoma [42], as well as to prevent recurrence, and due to its common misdiagnosis for malignant subcutaneous neoplasms.…”

Section: Case Reports In Dermatologymentioning

confidence: 99%

Poroid Hidradenoma: Case Report and Comprehensive Review of the Literature

Brooks,

Morris,

Cuda

et al. 2023

Case Rep Dermatol

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Poroid hidradenoma (PH) is a rare benign adnexal tumor of eccrine differentiation. It is the rarest of the four described variants of poroid neoplasms. PHs characteristically share a hybrid of the architectural features of the hidradenoma, namely, tumor cells are entirely intradermal with both solid and cystic components, and the cytologic characteristics of the poroid neoplasms, containing predominantly poroid and cuticular cells. Many published reports of PH since its original discovery in 1990 state that “very few” cases of PH can be found in the literature. Here, we have identified a total of 75 published accounts of PH, including the case presented here, as well as the associated patient demographics, lesion characteristics, treatment, and outcomes. We suggest that while uncommon, PH is likely not exceptionally rare and could be an underreported diagnosis.

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Section: Case Reports In Dermatologymentioning

confidence: 99%

Poroid Hidradenoma: Case Report and Comprehensive Review of the Literature

Brooks,

Morris,

Cuda

et al. 2023

Case Rep Dermatol

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show abstract

“…Histomorphology of this neoplasm is described as being composed of small basophilic poroid cells and larger pale cuticular cells with clear cytoplasm and no connection to the overlying epidermis. [ 4 ] We present a case of poroid hidradenoma of the scalp, with adipocytic metaplasia, mimicking a lipoma on clinical presentation.…”

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confidence: 99%