A 56-year-old woman presents with a 6-month history of progressive frontal headaches and focal motor seizures. Vital signs show BP 138/82 mmHg, HR 88 bpm, RR 16, temp 37.2°C, SpO2 98% on room air. Brain MRI reveals a well-demarcated extra-axial dural-based mass attached to the falx cerebri with homogeneous enhancement. CT head demonstrates calcifications within the lesion. Histopathology shows whorled cells and laminated concentric calcifications. She denies vision changes. Which of the following is the most likely diagnosis?
- A)Schwannoma
- B)Astrocytoma
- C)Pituitary adenoma
- D)Oligodendroglioma
- E)MeningiomaGABARITO
Explicação
Meningioma is correct. Meningiomas are typically extra axial tumors arising from arachnoid cap cells, often in women, and may be associated with progesterone receptors. Whorled histology and psammoma bodies are classic pathologic features. Ver explicação completa e trilha adaptativa →