Results 51 to 60 of about 608 (110)

Poroid hidradenocarcinoma and atypical hidradenoma papilliferum of the vulva – Two cases

Gynecologic Oncology Reports, 2021
Benign and malignant tumours may arise from eccrine and apocrine sweat glands. Hidradenocarcinoma is a rare malignant eccrine sweat gland tumour representing
Monica F.G. McGauran, Tom Manolitsas, Bassam Tawfik, Dhaval Joshi, Julie M Lamont   +4 more
doaj   +1 more source

RNA‐Sequencing Reveals Two Subgroups of Eccrine Porocarcinomas and Poromas

Journal of Cellular and Molecular Medicine, Volume 30, Issue 8, April 2026.
ABSTRACT Eccrine porocarcinoma (EPC), a rare malignant eccrine gland tumour, remains molecularly understudied. Transcriptomic studies of EPC and benign eccrine poroma (EP) have identified recurrent fusions and expression changes, but differences distinguishing malignant EPC from benign EP are unclear.
Maya Puttonen, Sami Kilpinen, Maria von Willebrand, Kalle Ojala, Tom Böhling, Virve Koljonen, Harri Sihto   +6 more
wiley   +1 more source

Rare Benign Nodular Hidradenoma of the Breast in a Male Child

Journal of Indian Association of Pediatric Surgeons
We report the first documented case of nodular hidradenoma arising from the nipple–areolar complex in a 9-year-old male. Excision of an enlarging breast lump was performed, and histopathology confirmed solid-cystic eccrine hidradenoma with clear margins.
Devprabha Bhagat, Shubhalaxmi Nayak, Kirtikumar J. Rathod, Manish Pathak   +3 more
doaj   +1 more source

A weeping tumor in a young girl: An unusual presentation of nodular hidradenoma

Indian Journal of Dermatology, 2016
A 10-year-old girl presented with a swelling on her left thigh that was associated with dripping of serous fluid from the lesion. Based on histological features of the excised tumor, a diagnosis of nodular hidradenoma was made.
Anupam Das, Tirthankar Gayen, Indrashis Podder, Kaushik Shome, Debabrata Bandyopadhyay   +4 more
doaj   +1 more source

WHO classification of skin tumours: key updates in the fifth edition

Histopathology, Volume 88, Issue 3, Page 555-568, February 2026.
This review article summarizes the key updates in the 5th edition of the WHO Classification of Skin Tumours. It provides an overview of the major changes and new entities specific to the skin section, covering areas such as epidermal, melanocytic, mesenchymal and other tumours. The 5th edition of the World Health Organization Classification of Tumours (
Gabrielle Goldman‐Lévy, Raymond Barnhill, Boris C. Bastian, Werner Kempf, David Elder, Pedram Gerami, Wayne Grayson, Dmitry Kazakov, Daniela Massi, Jane Messina, Arnaud de la Fouchardière, Alexander J. Lazar, Thomas Brenn, Brian Rous, Andrew Field, Anthony Gill, Jennelle C. Hodge, Joseph D Khoury, Katia Leite, Shahin Sayed, Puay Hoon Tan, Rosalie Elenitsas, Eduardo Calonje, Lyn M. Duncan, Liang Zhiyong, Holger Moch, Rajendra Singh, Harshima Wijesinghe, Ian Cree, Dilani Lokuhetty   +29 more
wiley   +1 more source

Fine-Needle Aspiration Cytology of Apocrine Hidradenoma [PDF]

, 2010
An apocrine hidradenoma is a benign adnexal neoplasm, usually covered by intact skin, but may show superficial ulceration and serous discharge. This feature is raising the possibility of malignancy as it was in our case of macroscopically suspicious ...
Gordana Kaić, Rado Žic, Marija Škoro, Čedna Tomasović-Lončarić, Trutin Ostović, Karmen, Karmen Trutin Ostović, Kaić, Gordana, Tomasović-Lončarić, Čedna, Škoro, Marija, Žic, Rado, Nina Petra Novak, Novak, Nina Petra   +11 more
core   +1 more source

Digital Papillary Adenocarcinoma: The Detection of Low-Risk Human Papillomaviruses and the BRAF p.V600E Mutation in a Subset of Cases

Dermatopathology
Digital papillary adenocarcinoma (DPA) is a rare malignant neoplasm which arises from the sweat glands and has metastatic potential. DPA exhibits a wide range of architectural features and exhibits low-grade to high-grade features, so distinguishing DPA ...
Feifan Chen, Priyadharsini Nagarajan, Phyu P. Aung   +2 more
doaj   +1 more source

Perianal Hidradenoma Papilliferum Mimicking a Chronic Hemorrhoid: A Case Report

Case Reports in Medicine, Volume 2026, Issue 1, 2026.
Hidradenoma papilliferum (HP) is a rare, benign neoplasm classically originating from apocrine or mammary‐like glands. While predominantly presenting in the vulvar region, its occurrence in the perianal location is exceptionally rare and frequently misdiagnosed as hemorrhoidal disease or other localized benign lesions.
Cesar Ramon Razuri Bustamante, Sofía Leonor Prado Cucho, Laura Elizabeth Quiñones Valverde, Angel Luigui Hurtado Vila, Alexis Narvaez Rojas, Gabriel De La Cruz Ku, Andee Dzulkarnaen Zakaria   +6 more
wiley   +1 more source

MAML2‐Rearranged Hidradenoma of the Breast: Clinicopathologic and Molecular Analysis of Four Patients

Case Reports in Pathology, Volume 2026, Issue 1, 2026.
Hidradenoma (HA) is a rare, benign adnexal tumor typically arising in the skin, with only a few reported cases in the breast. Histologically, HA displays solid and cystic patterns with diverse cellular components. Although MAML2 gene rearrangement is observed in some cutaneous HAs, its significance in breast HA remains unclear.
Naomi Gondo, Yasuyo Ohi, Tsubasa Hiraki, Akira I. Hida, Shuichi Kanemitsu, Yasuaki Sagara, Shinji Ohno, Suraiya Saleem   +7 more
wiley   +1 more source

Clear cell hidradenoma: atypical presentation on the scalp

, 2017
Hidradenoma nodular é neoplasia anexial benigna. Recentemente foi sugerida subdivisão em dois grupos: tumores com diferenciação écrina ou hidradenoma poroide e tumores com diferencia- ção apócrina ou hidradenoma de células claras.
Piñeiro-Maceira, Juan Manuel, Alves, Natalia Ribeiro de Magalhaes, Sousa, Vando Barbosa de, Silva, Solange Cardoso Maciel Costa, Lacerda, Vanessa de Carvalho, D'Elia, Marcella Leal Novello   +5 more
core   +1 more source