Results: 19

Osteosarcoma como patología GES. Experiencia de 7 años en Centro de Referencia Nacional

Rev. méd. Chile; 151 (7), 2023
INTRODUCCIÓN: El osteosarcoma (OS) es el tumor óseo primario maligno más frecuente. En 2014 se incorporó en Chile dentro del plan de garantías explícitas en salud (GES), ley que garantiza el tratamiento desde la sospecha hasta su tratamiento y rehabilitación. OBJETIVOS: Describir las característi...

Down-regulation of HCP5 inhibits cell proliferation, migration, and invasion through regulating EPHA7 by competitively binding miR-101 in osteosarcoma

Braz. j. med. biol. res; 54 (2), 2021
Patients with osteosarcoma (OS) usually have poor overall survival because of frequent metastasis. Long non-coding RNAs (lncRNAs) have been reported to be associated with tumorigenesis and metastasis. In this study, we investigated the expression and roles of lncRNA human histocompatibility leukocyte ant...

O Cripto-1 é um potencial biomarcador para o diagnóstico diferencial dos tumores ósseos benignos e malignos dos maxilares
Cripto-1 is a potential biomarker for the differential diagnosis of benign and malignant jaw bone tumors

O termo lesão fibro-óssea dos maxilares (LFOM) é uma designação inespecífica para um grupo de distúrbios caracterizados, morfologicamente, pela substituição do tecido ósseo por uma matriz de tecido conjuntivo fibrosa, a qual exibe neoformação de tecido ósseo com diferentes graus de mineraliz...

Lung metastases at the initial diagnosis of high-grade osteosarcoma: prevalence, risk factors and prognostic factors. A large population-based cohort study

Säo Paulo med. j; 137 (5), 2019
ABSTRACT BACKGROUND: Osteosarcoma is the most prevalent malignant bone tumor in children and adolescents. Lung metastases are associated with poor prognosis. OBJECTIVE: The aim here was to explore the prevalence of and risk and prognostic factors for lung metastases in high-grade osteosarcoma patient...

Osteosarcoma of the jaw - experience at the Medical University Vienna and comparative study with international tumor registries

Clinics; 74 (), 2019
OBJECTIVES: Osteosarcoma of the jaw (OSAJ) is fundamentally different in clinical practice from its peripheral counterparts. Studies are difficult to conduct due to low incidence rates. The primary aim of this study was to provide for the first time a comprehensive retrospective analysis of the treatment...

Expressão de neurotrofinas e de seus receptores no osteossarcoma primário

Rev. Col. Bras. Cir; 46 (2), 2019
RESUMO Objetivo: determinar a expressão de neurotrofinas e seus receptores tirosina quinases em pacientes com osteossarcoma (OS) e sua correlação com desfechos clínicos. Métodos: biópsias de tumores primários de pacientes com OS tratados em uma única instituição, consecutivamente, entre 2002 ...

Metástases pulmonares em crianças: estamos operando desnecessariamente?

Rev. Col. Bras. Cir; 45 (3), 2018
RESUMO Objetivo: determinar, em pacientes pediátricos portadores de neoplasias malignas, as características de nódulos pulmonares identificados à tomografia computadorizada, capazes de diferenciar nódulos benignos de metástases. Métodos: estudo retrospectivo de pacientes submetidos a ressecçõe...

Tumor Phyllodes con transformación a osteosarcoma

Rev. méd. Chile; 145 (8), 2017
Phyllodes tumors account for less than 1% of tumors of the mammary gland, have both epithelial and stromal components and are classified as benign, borderline and malignant. The malignant tumors are highly heterogeneous: they can differentiate to liposarcomas, fibrosarcomas, rhabdomyosarcomas, chondrosar...

Chondroblastic osteosarcoma mimicking periapical abscess

J. appl. oral sci; 25 (4), 2017
Abstract Lesions of non-endodontic origin may mimic periapical abscess. Osteosarcoma is a rare malignant lesion. Case report The present report describes a case of chondroblastic osteosarcoma in the periapical region of teeth #29, #30, and #31 of an 18-year-old male. Clinical history showed self-report...

Osteosarcoma telangiectásico en un lactante

Resumen: Introducción: El osteosarcoma es uno de los tipos de cáncer más común en la etapa escolar y en la adolescencia, y es el más común de los tumores óseos malignos en este grupo de edad. Frecuentemente, el osteosarcoma es hallado en los huesos largos de las extremidades. Existen muy pocos c...