Results 81 to 90 of about 597,082 (181)

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

Effect of interferon-alpha on progression of cirrhosis to hepatocellular carcinoma: a retrospective cohort study.

, 1998
BACKGROUND: There is debate about whether interferon-alpha treatment lowers the risk of progression to hepatocellular carcinoma in patients with chronic viral hepatitis and cirrhosis and whether any effect is limited to certain subgroups. We investigated
(INTERNATIONAL HEPATOCELLULAR CARCINOMA STUDY GROUP, BENVEGNU', LUISA, INTERNATIONAL INTERFERON ALPHA HEPATOCELLULAR CARCINOMA STUDY GROUP, BONINO, FERRUCCIO   +3 more
core  

Novel and emerging skin carcinomas and adnexal tumours

Histopathology, EarlyView.
The present review aims to provide an overview of the main emerging skin epithelial tumours, with particular emphasis on salivary gland analogue sweat gland tumours and poorly differentiated carcinomas. Epidermal and adnexal tumours of the skin constitute a complex and heterogeneous group of neoplasms, with distinct morphology and behaviour.
Thibault Kervarrec, Maxime Battistella, Nicolas Macagno   +2 more
wiley   +1 more source

Brain Metastasis as an Initial Manifestation of Ovarian Carcinoma: A Case Report

Case Reports in Medicine, 2012
Brain metastasis is a rare and late manifestation of ovarian carcinoma. A 30-year-old woman initially presenting with neurologic symptoms was later found to have mucinous ovarian carcinoma.
Zafer Selçuk Tuncer, Gokhan Boyraz, Aslıhan Yazıcıoğlu, İlker Selcuk, Senem Özge Yücel   +4 more
doaj   +1 more source

Primary cutaneous mucinous carcinoma: A rare entity

Indian Dermatology Online Journal, 2011
Primary mucinous carcinoma of the skin is a rare adnexal tumor of sweat gland origin. A case report is presented of a 70-year-old male, who presented with a slow growing mass near the lateral canthus of his left eye.
Kavita Mardi, Vijay Kumar Diwana
doaj   +1 more source

Novel and emerging cutaneous soft tissue tumours

Histopathology, EarlyView.
This review outlines the defining histopathological, immunophenotypic and molecular features of novel and emerging cutaneous soft tissue tumours, including hybrid superficial ALK‐rearranged myxoid spindle cell neoplasm/epithelioid fibrous histiocytoma, superficial neurocristic tumour, ALK‐rearranged epithelioid vascular neoplasm and MITF pathway ...
Saba Shafi, Josephine K Dermawan
wiley   +1 more source

Cutaneous Leiomyosarcoma of the Skin: An Updated Review of Epidemiology, Pathogenesis, and Management

International Journal of Dermatology, EarlyView.
This review provides an update on the epidemiology, pathogenesis, and clinical/histologic features of cutaneous leiomyosarcoma. Prognostic factors (e.g., depth of tumor involvement, grade, etc.) that can facilitate risk stratification are also discussed, as are treatment approaches for this rare malignancy.
Tejas P. Joshi, Natalie Garcia, Malak Husseinali, Nabeeha Engineer, Ikue Shimizu   +4 more
wiley   +1 more source

Male genital lichen sclerosus

Journal of the European Academy of Dermatology and Venereology, EarlyView.
Male genital lichen sclerosus is driven by chronic, occluded exposure of susceptible genital epithelium to urine, rather than infection or autoimmunity. This review synthesizes clinical, anatomical and molecular evidence showing how microincontinence and occlusion initiate inflammation, fibrosis and carcinogenesis, and explains the curative effect of ...
Georgios Kravvas, Rory Barry, Richard E. Watchorn, Christopher B. Bunker   +3 more
wiley   +1 more source

Paraurethral Endometrioid Carcinoma Arising From Ectopic Endometriosis: A Case Report

IJU Case Reports, Volume 9, Issue 6, November 2026.
ABSTRACT Introduction Malignant transformation of endometriosis is rare and most commonly involves the ovary; transformation from paraurethral endometriosis is exceedingly rare. Case Presentation A 73‐year‐old postmenopausal woman with prior ovarian endometrioma presented with dysuria and voiding difficulty.
Keita Ogasawara, Takashi Tsuyukubo, Mizuki Hisano, Hiromitsu Fujisawa, Shigekatsu Maekawa, Mitsugu Kanehira, Mitsumasa Osakabe, Naoki Yanagawa, Hiroaki Itamochi, Wataru Obara   +9 more
wiley   +1 more source

Proposal of additional layer in therapy for a Microcystic Adnexal Carcinoma: Report of a Case

Advances in Oral and Maxillofacial Surgery
Microcystic adnexal carcinoma (MAC) is a very rare, low grade, malignant adnexal tumor with less than 700 cases reported worldwide that typically occurs on the head and neck, particularly the central face.
Gilberto Antonio Aguayo-Rivera
doaj   +1 more source