Most appropriate investigation for angiofibroma is -: (A) Angiography, (B) CT scan, (C) MRI scan, (D) Plain X- ray
Answer is B. CT scan of the head with contrast:- is the investigation of choice. It shows the extent of tumor, bony destruction, or displacement. Anterior bowing of the posterior wall of maxillary sinus (antral sign or Holman-Miller sign) is pathognomonic of JNA.