system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
This round hyperdense lesion on NC-CT located in the 3rd ventricle is most likely to be a:
assistant
The correct answer is  Ans. C Colloid cystAxial NC-CT scan shows a well-defined hyperdense round lesion in the 3rd ventricle which is classic for colloid cyst. This cyst can sometimes lead to obstruction of CSF flow with hydrocephalous. Appears hyperintense on T1W MRI due to high protein content.