Results: 92

DNA Aneuploidy in Malignant Salivary Gland Neoplasms is Independent of USP44 Protein Expression

Braz. dent. j; 28 (2), 2017
Chromosomal instability, leading to aneuploidy, is one of the hallmarks of human cancers. USP44 (ubiquitin specific peptidase 44) is an important molecule that plays a regulatory role in the mitotic checkpoint and USP44 loss causes chromosome mis-segregation, aneuploidy and tumorigenesis in vivo. In this...

Clinical, morphological and immunohistochemical findings in canalicular adenoma

J. Oral Diagn; 2 (), 2017
Canalicular adenoma (CAd) is an uncommon benign salivary gland tumor, usually located in the upper lip. We carried out a survey of cases of CAds among the all salivary gland tumors submitted to an Oral Pathology service over a 36-year period, and performed a comprehensive literature review of all CAds...

Rare mucinous cystadenoma of minor salivary glands: Clinicopathologic analysis of 2 cases and review of literature

J. Oral Diagn; 2 (), 2017
Cystadenoma is a rare benign tumor of the salivary glands exhibiting clinical findings very similar to mucocele and, microscopically it may be confused with other lesions such as salivary duct cyst and cheilitis glandularis. It may be classified into two variants: papillary and mucinous, papillary varie...

BRD4 inhibition suppresses cell growth, migration and invasion of salivary adenoid cystic carcinoma

Biol. Res; 50 (), 2017
BACKGROUND: Bromodomain-containing protein 4 (BRD4) inhibition is a new therapeutic strategy for many malignancies. In this study, we aimed to explore the effect of BRD4 inhibition by JQ1 on in vitro cell growth, migration and invasion of salivary adenoid cystic carcinoma (SACC). METHODS: The human norma...

Minor intraoral salivary gland tumors: a clinical-pathological study

Einstein (Säo Paulo); 14 (4), 2016
ABSTRACT Objective To evaluate the clinical-pathological profile of patients with minor salivary gland neoplasms. Methods A retrospective study of specific cases diagnosed as benign and malignant tumors of the minor salivary glands was performed. The data were collected from medical records of patien...

Carcinoma ex-pleomorphic adenoma derived from recurrent pleomorphic adenoma shows important difference by array CGH compared to recurrent pleomorphic adenoma without malignant transformation

Abstract Introduction: A key step of cancer development is the progressive accumulation of genomic changes resulting in disruption of several biological mechanisms. Carcinoma ex-pleomorphic adenoma (CXPA) is an aggressive neoplasm that arises from a pleomorphic adenoma. CXPA derived from a recurrent PA ...

Siringoma Condroide. Presentación de un caso
Chondroid syringoma. Case presentation

Introducción: El Siringoma Condroide o tumor mixto es una neoplasia habitualmente benigna que constituye 0,01 por ciento de los tumores primarios de la piel. Es una entidad análoga al tumor mixto (Adenoma Pleomorfo) de glándulas salivales. El diagnóstico es exclusivamente histopatológico. Objetivo: ...

Giant oral lipoma: a rare entity

An. bras. dermatol; 91 (5,supl.1), 2016
Abstract Lipomas are very common benign slow-growing soft tissue neoplasms composed of mature adipose tissue mostly diagnosed in the fifth decade of life. These tumors rarely present in the oral cavity, representing less than approximately 5% of all benign mouth tumors. They are usually less than 2cm in ...

Cáncer oromaxilofacial en niños: Parte II tumores odontogénicos y de glándulas salivales malignos

A nivel mundial, la información acerca de tumores malignos del territorio maxilofacial que afectan a niños es limitada. La mayoría de los resportes consiste principalmente en datos de la población adulta. Las neoplasias malignas originadas del aparato odontogénicos y glándulas salivales son lesione...

Resección transoral-transnasal de tumores del espacio parafaríngeo
Transoral-transnasal approach to parapharyngeal space tumors

Objetivos: Determinar la tasa de resección quirúrgica completa en tumores seleccionados del Espacio parafaríngeo tratados por vía transoral o transnasal o por ambas. Diseño: descriptivo, retrospectivo. Materiales y métodos: Se incluyeron en este estudio los pacientes que tuvieron neoplasias locali...