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Carcinoma basaloide - Escamoseo de cebeça: relato de 4 casos
(1997-01-01)
Basaloid squamous carcinoma is an aggressive subtype of squamous carcinoma of superior aerodigestive tract. This tumor has been recently described and it seems to have higher incidence in tongue, hypopharynx and supraglottis. ...
Expression of apoptotic and cell proliferation regulatory proteins in keratoacanthomas and squamous cell carcinomas of the skin
(Elsevier Gmbh, Urban & Fischer Verlag, 2008-01-01)
The aim of this study was to investigate the expression of p53, caspase-3, bcl-2, MIB-1, and PCNA to validate more objective methods to differentiate squamous cell carcinoma and keratoacanthoma, as well as to understand ...
Expression of heparanase in basal cell carcinoma and squamous cell carcinoma
(Soc Brasileira Dermatologia, 2016)
Background: Heparanase is an enzyme that cleaves heparan sulfate chains. Oligosaccharides generated by heparanase induce tumor progression. Basal cell carcinoma and squamous cell carcinoma comprise types of nonmelanoma ...
Squamous cell carcinoma in a residual mandibular cyst
(1977-12-01)
Described is a case of squamous-cell carcinoma arising in a residual cyst in a 60-year-old edentulous woman. The clinical and radiographic diagnosis was residual cyst, and the treatment employed was conservative surgical ...
Transformación de leucoplasia verrugosa proliferativa en carcinoma oral: diez años de seguimiento
(2004-05-01)
The authors present a case of proliferative verrucous leukoplakia (PVL) in a 78-year-old man. It was initially presented as leukoplakia on the tongue but a microscopic investigation in 1991 revealed it to be a mild epithelial ...
Comparative analysis of the expression of proliferating cell nuclear antigen, p53, bax, and bcl-2 in oral lichen planus and oral squamous cell carcinoma
(Elsevier B.V., 2009-10-01)
Several epidermiologic studies have shown the malignant transformation potential of oral lichen planus; however, this potential is subject of much controversy. To evaluate the expression of proteins related to the cell ...
Adenocarcinoma de cólon com diferenciação neuro-endócrina e escamosa. Relato de caso.
(1992-04-01)
A tubular adenocarcinoma of the colon with solid area composed by small cells that was found by immunohistochemistry study using antibody to neuron-specific enolase (NSE) to possess neuroendocrine differentiation is related. ...
Cholangiocarcinoma and Squamous Cell Carcinoma of the Stratified Epithelial Portion of the Stomach in a Horse: A Case Report
(Elsevier B.V., 2011-01-01)
Both cholangiocarcinoma and squamous cell carcinoma of the stomach stratified squamous epithelial portion are rarely found in equine medicine despite being more common in human beings, dogs, and cats. The objective of the ...
Comparative study of the behavior of p53 immunoexpression in smoking associated lesions: Reinke's edema and laryngeal carcinoma
(2013-01-01)
Objective: To assess the behavior of the immunoexpression of protein p53 in Reinke's edema and laryngeal squamous cell carcinoma. Study design: retrospective. Methods: we recovered the histological paraffin blocks of ...
Unusual presentation of oral squamous cell carcinoma in a young woman
(2012-05-01)
Oral squamous cell carcinoma (OSCC) is the most common oral malignant neoplasm, mainly affecting individuals over 50 years old with a history of tobacco and alcohol use. The occurrence of this oral cancer in individuals ...