Results 41 to 50 of about 1,384 (188)

Pigmented poroma with unsusual locatin and dermatoscopic features

Dermatology Practical & Conceptual, 2012
Poroma is a benign adnexal neoplasm with “poroid”/ductal differentiation that mimics benign and malignant skin tumors. Histopathology shows circumscribed proliferation of poroid cells intermingled with a variable number of cuticular cells.
Luiza E.B.P. Kassuga, Thiago Jeunon, Maria Auxiliadora Jeunon Sousa, Gabriella Campos-do-Carmo   +3 more
doaj   +1 more source

Nevus sebaceus with basal cell carcinoma, poroma, and verruca vulgaris

Indian Journal of Pathology and Microbiology, 2015
Nevus sebaceus (NS) is a congenital, benign, hamartomatous lesion and it is possible to see several benign or malignant tumors accompanying it. One of these is the poroma, which is very rare, and has only been reported twice before, in the English ...
Ali Fuat Cicek, Andac Aykan, Abdulkerim Yapici, Mehmet Gamsizkan, Serdar Ozturk, Murat Demiriz   +5 more
doaj   +1 more source

POROMA ÉCRINO EM MEATO ACÚSTICO EXTERNO: RELATO DE CASO [PDF]

, 2022
Introdução: O poroma écrino é uma neoplasia benigna de glândulas sudoríparas, com apresentação rara e etiologia desconhecida. Geralmente, trata-se de lesão solitária localizada em palmas e plantas.
José Tebcherani, Antônio, Alcântara de Oliveira Santos, Mônica, Delgado Fernandes, Mariana, Batista Cosra, Marília   +3 more
core   +1 more source

Poroid hidradenoma over dorsum of the hand

Clinical Dermatology Review, 2022
Poroid hidradenoma is a rare, benign cutaneous neoplasm which presents as a solitary swelling. It has eccrine differentiation with features of both hidradenoma and poroma.
A Savitha Somaiah, R Raghunath Reddy, H Apoorva, L Eshwari   +3 more
doaj   +1 more source

Merkel cell polyomavirus is a passenger virus in both poroma and porocarcinoma [PDF]

, 2022
Background Merkel cell polyomavirus (MCPyV) has been studied in several malignant and nonmalignant tissues. However, only in Merkel cell carcinoma (MCC) has the connection to tumorigenesis been established.
Virve Koljonen, Anna‐Stiina Meriläinen, Merilainen, Anna-Stiina, Koljonen, Virve, Harri Sihto, Sihto, Harri   +5 more
core   +1 more source

Reticulated acanthoma with sebaceous differentiation mimicking melanoma

Dermatology Practical & Conceptual, 2017
Reticulated acanthoma with sebaceous differentiation (RASD) is a rare, benign cutaneous tumor with peculiar histopathologic characteristics [1]. RASD had been described under various synonyms such as superficial epithelioma with sebaceous differentiation,
Felipe Ribeiro, Elizabeth Leocadia, Ricardo S. Macarenco, Jan Lapins, Pascale Huet, Bengu Nisa Akay, Denise Steiner   +6 more
doaj   +1 more source

Poroma Ecrino Pigmentado en región abdominal, una rara presentación [PDF]

, 2013
The eccrine poroma or Hidracanthoma Simplex is a rare benign adnexal tumor of ephitelial cells, with an incidence of 0.001 to 0.008%1. In two thirds of the patients it appears on the soles and lateral borders of the feet.
Cárdenas, Mónica Lorena, Plata, Ricardo Rueda, Díaz, Claudia Juliana   +2 more
core   +2 more sources

Squamoid Eccrine Ductal Carcinoma: Case Series of a Rare, Potentially Aggressive Skin Cancer Associated With Immunosuppression

Journal of Cutaneous Pathology, EarlyView.
ABSTRACT Squamoid Eccrine Ductal Carcinoma (SEDC) is a rare cutaneous adenexal carcinoma first described in 1997. It has distinct biphasic features on histology which commonly result in misdiagnosis as Bowen disease or cutaneous squamous cell carcinomas (cSCC) if diagnostic skin biopsies are too superficial. This may lead to a delay in diagnosis. It is
Xiang Li Tan, Pooja Patel, Jeva Cernova, Sarah Hogan, Jason Thomson, Efthymios Hadjimichael, Sharanpal Jeetle, Dorota Markiewicz, Michael Sheaff, Nilukshi Wijesuriya, Mark Hawthorne, Graeme Moir, Matthew Stodell, Kapil Bhargava, Suchitra Chinthapalli, Catherine A. Harwood   +15 more
wiley   +1 more source

Eccrine poroma: The prominent mimicker [PDF]

, 2018
Background: Eccrine poroma (EP) is an adnexal benign tumor arising from the eccrine duct epithelium. The appearance of EP can mimic benign and malignant skin tumors, thus often making the diagnosis delayed or inaccurate.
Shihab, Nahla, Sampurna, Adhimukti T., Kristanti, Inge Ade, Wibawa, Larisa Paramitha   +3 more
core   +1 more source

Merkel cell carcinoma: an updated guide for pathologists

Histopathology, EarlyView.
Merkel cell carcinoma (MCC) is an aggressive cutaneous neuroendocrine carcinoma for which the differential diagnosis can include other small cell malignancies (especially metastatic small cell carcinoma) or cutaneous carcinoma. Morphologic and immunophenotypic aberrancies in MCC can increase diagnostic challenge.
Paul W. Harms
wiley   +1 more source