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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. ...
Lesões epiteliais malignas da conjuntiva e recidiva tumoral - Estudo retrospectivo
(2005-12-01)
Purpose: To evaluate the conjunctival epithelial malign lesions carriers and the recurrence rate using exeresis and radiotherapy. Methods: A retrospective study was conducted observing 52 conjunctival epithelial malign ...
Cytologic diagnosis of vaginal metastasis from renal cell carcinoma: A case report
(1999-11-01)
BACKGROUND: Metastasis of renal cell carcinoma to the vagina is rare, although it may be the first evidence of the existence of the primary tumor. CASE: A metastatic deposit of renal cell carcinoma in the vagina was diagnosed ...
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 ...
Simple mucin-type carbohydrate antigens (T, sialosyl T, Tn and sialosyl-Tn) in breast carcinogenesis
(1995-01-01)
Immunohistochemical analysis of the expression of simple mucin-type carbohydrate antigens (Tn, sialyl-Tn and T) was performed in a series of 43 cases of intraductal hyperplasia without atypia, 9 cases of intraductal ...
Estudo comparativo dos fatores prognósticos entre os pacientes com maior e menor sobrevida em portadores de carcinoma broncogênico
(Sociedade Brasileira de Pneumologia e Tisiologia, 2002-09-01)
Despite the improvements seen in the treatment of lung cancer, little has improved in the survival of these patients, and a great importance is attributed to the factors that have a role to play in such survival. Purpose: ...
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 ...
Recurrent copy number gains of ACVR1 and corresponding transcript overexpression are associated with survival in head and neck squamous cell carcinomas
(Wiley-Blackwell, 2011-07-01)
Aims: This study aimed to evaluate the copy number alteration on 2q24, its association with ACVR1 transcript expression and the prognostic value of these data in head and neck squamous cell carcinomas.Methods and results: ...
Distinct regions of loss of heterozygosity on 22q at different sites of head and neck squamous cell carcinomas
(2002-04-10)
Background: Frequent loss of heterozygosity (LOH) has been reported in many types of cancer, including head and neck carcinomas. Somatic deletions involving specific chromosomal regions are strongly associated with ...