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Int J Mol Sci ; 25(11)2024 May 25.
Artigo em Inglês | MEDLINE | ID: mdl-38891945

RESUMO

Porocarcinoma (PC) is a rare adnexal tumor, mainly found in the elderly. The tumor arises from the acrosyringium of eccrine sweat glands. The risk of lymph node and distant metastasis is high. Differential diagnosis with squamous cell carcinoma is difficult, although NUT expression and YAP1 fusion products can be very useful for diagnosis. Currently, wide local excision is the main surgical treatment, although Mohs micrographic surgery is promising. To date, there is no consensus regarding the role of sentinel lymph node biopsy and consequential lymph node dissection. No guidelines exist for radiotherapy, which is mostly performed based on tumor characteristics and excision margins. Only a few studies report systemic treatment for advanced PC, although therapy with pembrolizumab and EGFR inhibitors show promise. In this review, we discuss epidemiology, clinical features, histopathological features, immunohistochemistry and fusion products, surgical management and survival outcomes according to stage, surgical management, radiotherapy and systemic therapy.


Assuntos
Porocarcinoma Écrino , Humanos , Porocarcinoma Écrino/patologia , Porocarcinoma Écrino/terapia , Porocarcinoma Écrino/metabolismo , Porocarcinoma Écrino/diagnóstico , Imuno-Histoquímica , Neoplasias das Glândulas Sudoríparas/patologia , Neoplasias das Glândulas Sudoríparas/terapia , Neoplasias das Glândulas Sudoríparas/metabolismo , Neoplasias das Glândulas Sudoríparas/diagnóstico , Biomarcadores Tumorais/metabolismo , Proteínas de Sinalização YAP
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