Introducción: Los tumores localizados en el tallo cerebral en los niños y adolescentes conllevan un mal pronóstico, especialmente aquellos infiltrantes y difusos. Con el tratamiento de radioterapia apenas llegan a más de 15 por ciento de supervivencia y no mejora la cifra con quimioterapia agregada....
SUMMARY Chordoid glioma (CG) is considered a slow growing glial neoplasm. We report two new cases with endocrinological presentation, management and outcome. Case reports: 1) An 18 year-old female patient was admitted due to headaches, nausea and vomiting and visual abnormalities. She was in amenorrhea. ...
Objetivos: describir la seguridad y tolerabilidad de craneotomía vigíl en la resección de lesiones supratentoriales.
Introducción: La craneotomía vigíl es útil para poder remover tumores cercanos, o en áreas elocuentes con seguridad; potencialmente reduce complicaciones, al igual que costos y est...
SUMMARY OBJECTIVE: This study aims to compare estrogen receptor expression between low and high-grade astrocytomas. METHOD: A study using paraffin blocks of glial tumors from the Anatomy Pathology archives of São Marcos Hospital was carried out and began after approval by the Review Board of the Feder...
ABSTRACT CONTEXT: Central nervous system (CNS) infectious diseases have high prevalence in developing countries and their proper diagnosis and treatment are very important for public health planning. Cryptococcus neoformans is a fungus that may cause several CNS manifestations, especially in immunocompr...
Abstract Primary angiosarcoma is a rare clinical entity, it's typically located within the right atrium and known to be rapidly fatal. A 37-year-old female was presented with a history of recurrent facial paralysis and left hemiparesis. A cranial mass was identified at cranial magnetic resonance imaging ...
Antecedentes: la resección de lesiones benignas y neoplasias en estadio temprano de recto representan un desafío para minimizar la recidiva local y lograr una calidad adecuada de la pieza quirúrgica sin fragmentación, con mínima morbilidad y funcionalidad anorrectal aceptable. La resección transana...
ABSTRACT This paper presents an improved classification system for brain tumours using wavelet transform and neural network. The anisotropic diffusion filter was used for image denoising, and the performance of the oriented rician noise reducing anisotropic diffusion (ORNRAD) filter was validated. The se...