A 9-year-old boy presents with a 6-month history of poor linear growth, headaches, and declining school performance. Vital signs reveal BP 105/68 mmHg, HR 88/min, RR 18/min, temp 37°C, SpO2 98% on room air. Physical examination shows short stature, bitemporal hemianopsia, and normal pubic hair development. MRI demonstrates a calcified suprasellar cystic mass with mild hydrocephalus. Serum IGF-1 is low at 45 ng/mL (normal 115-360). Which diagnosis best explains these findings?
- A)CraniopharyngiomaGABARITO
- B)Pituitary prolactinoma
- C)Medulloblastoma
- D)Pilocytic astrocytoma
- E)Meningioma
Explicação
Craniopharyngioma is a benign tumor derived from Rathke pouch remnants. In children it classically presents as a calcified suprasellar cystic mass causing visual field defects, pituitary dysfunction, and growth failure. The location and calcification pattern a... Ver explicação completa e trilha adaptativa →