A 41-year-old man presents with a 6-month history of focal motor seizures. Vital signs show BP 128/82 mmHg, HR 88 bpm, RR 16/min, temperature 37.2°C, and SpO2 98% on room air. MRI demonstrates a calcified frontal lobe mass with surrounding edema. Histopathology reveals round nuclei with prominent clear halos and a delicate branching capillary network. Serum glucose is normal. He denies progressive cognitive decline. Which of the following is the most likely diagnosis?
- A)Glioblastoma
- B)Ependymoma
- C)Meningioma
- D)OligodendrogliomaGABARITO
- E)Pilocytic astrocytoma
Explicação
Oligodendroglioma is correct. Oligodendrogliomas often arise in the frontal lobes of adults and commonly present with seizures. Histology shows fried egg cells with perinuclear clearing and a chicken wire capillary pattern, often with calcifications on imaging... Ver explicação completa e trilha adaptativa →