A 58-year-old man presents with progressive headaches, personality changes, and new-onset seizures over 3 months. Vital signs: BP 148/92 mmHg, HR 94 bpm, RR 18, Temp 37.2°C, SpO2 98% on room air. MRI shows a heterogeneously enhancing mass crossing the corpus callosum with surrounding vasogenic edema. Serum glucose and electrolytes are normal. He denies recent head trauma or focal neurologic deficits. Which of the following is the most likely diagnosis?
- A)Oligodendroglioma
- B)Pilocytic astrocytoma
- C)Meningioma
- D)Schwannoma
- E)GlioblastomaGABARITO
Explicação
Glioblastoma is correct. Glioblastoma is a high grade astrocytoma that classically appears as a ring enhancing lesion that can cross the corpus callosum, creating a butterfly pattern. It is highly aggressive and often presents with headaches, seizures, and foc... Ver explicação completa e trilha adaptativa →