Results 61 to 70 of about 544 (135)

MALIGNANT TRANSFORMATION OF EROSIVE ORAL LICHEN PLANUS

open access: yesJournal of Dentistry Indonesia, 2006
Lichen planus is a relatively common inflammatory disorder which may have cutaneous and or mucosal manifestation. The malignant potential of oral lichen planus is still debatable.
Siti Chumaeroh
doaj   +1 more source

Changes in the 6th edition of the World Health Organization classification of tumours of the digestive system

open access: yesHistopathology, Volume 88, Issue 7, Page 1295-1314, June 2026.
Changes and new entities in the 6th edition WCT of the digestive system, including structural, molecular, and diagnostic updates to standardize terminology and improve clinical relevance. Epithelial tumours are organized by site; neuroendocrine, mesenchymal and haematolymphoid tumours have dedicated chapters, with refined grading, redefined ...
Mark J Arends   +48 more
wiley   +1 more source

Malignant Proliferating Trichilemmal Tumor: A Rare Case Report and Review of Literature

open access: yesClinical Case Reports, Volume 14, Issue 5, May 2026.
ABSTRACT This case shows the rarity of Malignant Proliferating Trichilemmal Tumor (MPTT) as well as its aggressive behavior as an adnexal tumor with metastatic potential, requiring early diagnosis and excision. MPTT may occur in younger patients and at atypical sites; malignant transformation should be suspected in long‐standing trichilemmal lesions ...
Chanda Shrestha   +5 more
wiley   +1 more source

Nasal dermoid sinus cyst diagnosed on CT in an adult Hungarian Vizsla

open access: yesVeterinary Record Case Reports, Volume 14, Issue 2, May 2026.
Abstract Nasal dermoid sinus cysts are rare congenital anomalies in dogs, resulting from abnormal embryological development that leads to the inclusion of ectodermal and mesodermal elements within a sinus or subcutaneous tissue, along the dorsal midline.
Athena Kam   +3 more
wiley   +1 more source

Familial Adenomatous Polyposis—Risk of Cancer, Cancer Prevention, and Long‐Term Consequences: Learnings from Five Decades with the Danish Polyposis Register

open access: yesAPMIS, Volume 134, Issue 5, May 2026.
ABSTRACT Familial adenomatous polyposis (FAP) is a hereditary condition marked by the growth of hundreds to thousands of adenomatous polyps in the colon and rectum, significantly elevating the risk of colorectal cancer (CRC) if left untreated. Caused by pathogenic variants in the APC gene, FAP is typically identified in adolescence, often leading to ...
John Gásdal Karstensen
wiley   +1 more source

Early epidermoid carcinoma. A case presentation

open access: yesMedisur, 2009
The early epidermoid carcinoma is considered the strangest breast tumor with an incidence that only represents from 0,04 to 0,075 % out of all malignant tumors of the breast.
Lidia Torres Ajá, Julian Viera Llanes
doaj   +2 more sources

Skin metastasis of lung carcinoma

open access: yesThe Pan African Medical Journal, 2015
A 61-year-old male was admitted to the hospital with tumors in the scalp (A), face (B), and neck (C) that had been present for four month with an acute decrease in visual acuity. These tumors have progressed to ulceration.
Krich Sanaa, Mernissi Fatima Zahra
doaj   +1 more source

Primary Intracranial Epidermoid Carcinoma

open access: yesNeurologia medico-chirurgica, 1989
A 38-year-old male who presented with trigeminal nerve paresis was found to have a cerebellopontine angle tumor. The tumor was subtotally removed. Multiple histological sections showed no malignant changes, and the diagnosis was typical epidermoid cyst. Tumor growth recurred twice and the diagnosis after the third operation was epidermoid carcinoma.
I, Nishiura   +3 more
openaire   +3 more sources

SYNERGISTIC ANTI-TUMOUR EFFECT OF DOXORUBICIN-HYDROCHLORIDE WITH CRM197, AN INHIBITOR OF HB-EGF, IN SQUAMOUS-CELL CARCINOMA [PDF]

open access: yesBiotechnologia Acta
Recent studies have shown that cross reacting material (CRM197), a nontoxic variant of diphtheria toxin, may play an important role in treating cancers with poor prognoses.
.I.I. RADEVYCH   +2 more
doaj   +1 more source

Extended total semiconservative parotidectomy with skull base resection

open access: yesOral Oncology Reports
A case of extensive intermediate grade muco epidermoid carcinoma (MEC) of parotid gland which was optimally excised in toto, by a skull base approach in presented.
Bipin Thomas Varghese
doaj   +1 more source

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