Results 41 to 50 of about 582,345 (116)

HPV42 – a human papillomavirus classified as a low‐risk type with oncogenic potential

JDDG: Journal der Deutschen Dermatologischen Gesellschaft, EarlyView.
Summary Human papillomavirus (HPV) type 42 is a rare HPV type currently classified as “low‐risk” and belongs to the alpha genus. It has primarily been detected in benign vulvar papillomas and is predominantly associated with benign lesions such as anogenital warts.
Sven Niklas Burmann, Ulrike Wieland, Steffi Silling, Frank Oellig, David Chromy, Julia Hyun, Thilo Gambichler, Alexander Kreuter   +7 more
wiley   +1 more source

A case of eccrine porocarcinoma characterized by a progressive increase in the level of Ki-67 index: case report and review of literature

BMC Surgery, 2019
Background Eccrine porocarcinoma is an extremely rare skin adnexal malignant neoplasia with highly invasive and metastatic potential. We report an additional case of eccrine porocarcinoma with intracranial metastases.
Jie Shen, Xinfa Pan, Yongfu Lu, Desheng Pan, Yuehui Ma, Renya Zhan   +5 more
doaj   +1 more source

Pigmented eccrine Poroma: dermoscopic and confocal features

Dermatology Practical & Conceptual, 2016
Eccrine poroma is a rare benign adnexal tumor of epithelial cells originating from the terminal ductal portion of the sweat glands that is typically located on palms and soles, although other cutaneous sites can be affected [1].
Caterina Bombonato, Simonetta Piana, Elvira Moscarella, Aimilios Lallas, Giuseppe Argenziano, Caterina Longo   +5 more
doaj   +1 more source

Merkel Cell Carcinoma With Divergent Differentiation—Or Something Else? A Triphasic Cutaneous Carcinoma With Lineage Plasticity

Journal of Cutaneous Pathology, Volume 53, Issue 11, Page 994-999, November 2026.
ABSTRACT Merkel cell carcinoma (MCC) is a rare, aggressive cutaneous neuroendocrine carcinoma that typically arises in sun‐exposed skin of older or immunosuppressed patients. Combined or collision tumors involving MCC and other cutaneous malignancies are uncommon, and tumors exhibiting more than two distinct malignant phenotypes are exceptionally rare.
Zeinab Khalil, Hozaifa Elameen, Ahmed K. Alomari   +2 more
wiley   +1 more source

Pigmented Poroid Hidradenoma: A Case Report

Clinical Case Reports, Volume 14, Issue 10, October 2026.
ABSTRACT Poroid hidradenoma (PH) is an infrequently encountered benign adnexal neoplasm exhibiting eccrine differentiation. Histopathologically, PH displays a distinctive combination of hidradenoma‐like architectural organization characterized by a purely intradermal localization with both solid and cystic components, and cytological attributes of ...
Baraa Bustami, Noureddine Litaiem, Abdulmooti Hawilo   +2 more
wiley   +1 more source

A Case of Eccrine Porocarcinoma Accompanying Renal Cell Carcinoma

, 2021
In this case report, we present the coexistence of eccrine porocarcinoma (EPC) and renal cell carcinoma (RCC) in a 69-year-old male patient whose surgical resection pathology of the skin lesion in the right gluteal region was reported as EPC and
Karsiyakali, Nejdet, Yildiz, Semsi, Akman, Yavuz, Mansur, Ayse Tulin, Demirci, Gulsen Tukenmez, Koseoglu, Hikmet   +5 more
core   +1 more source

Rare Secondary Neoplasms Arising in Epidermal Nevus: A Case Series and Literature Review

Journal of Cutaneous Pathology, Volume 53, Issue 9, Page 772-782, September 2026.
ABSTRACT Malignant transformation is known to occur with many nevi, such as nevus sebaceus. However, cases of secondary tumors developing in an epidermal nevus (EN) are rare, with only a few case reports documented in the literature. We present three unique cases of syringocystadenoma papilliferum (SCAP), syringofibroadenoma, trichilemmoma, and basal ...
Haya A. Homsi, Melissa Piliang, Jennifer Lucas, Jennifer S. Ko, Steven D. Billings, Shira Ronen   +5 more
wiley   +1 more source

Hemorrhagic polypoid lesion on the leg - eccrine porocarcinoma: A case report

Turkderm Turkish Archives of Dermatology and Venereology
Eccrine porocarcinoma is a rarely seen cutaneous malignancy originating from the intraepidermal ductus of eccrine glands. The disease is characterized by nodular lesions primarily located in the lower extremities. The disease may arise de novo or develop
Yusuf Can Edek, Betül Öğüt, Esra Adışen   +2 more
doaj   +1 more source

Eccrine Squamous Syringometaplasia Mimicking Acute Cutaneous GVHD in a Pediatric HSCT Recipient: Case Report and Brief Review of the Indexed Literature

Journal of Cutaneous Pathology, Volume 53, Issue 9, Page 792-802, September 2026.
ABSTRACT Eccrine squamous syringometaplasia (ESS) is an uncommon reactive alteration of eccrine ducts, most often reported in oncologic and transplant settings, where it may clinically mimic acute cutaneous graft‐versus‐host disease (GVHD). We describe a 3‐year‐old boy with chronic granulomatous disease who developed a diffuse erythematous eruption 6 ...
Benedetta Galli, Cecilia Catapano, Iacopo Ghini, Mariateresa Rossi, Marina Venturini, Valeria Boccaletti   +5 more
wiley   +1 more source

Eccrine Porocarcinoma on an Unusual Location

, 2019
Eccrine porocarcinoma is a rare malignant adnexal tumor that develops from the intraepidermal ductal part of eccrine sweat glands. It is commonly seen in the lower extremity and rarely in the scalp, face, ear, body and upper extremity.
Necip Sefa Özden, Burak Kaya, Arda Özdemir, Nijat Babayev, Aylin Okçu Heper   +4 more
core   +1 more source