This question is part of the USMLE QBANK

The Free question bank contains hundreds of free MCQs with answers.

Feel free to browse through the questions and if you feel the need to contact us, don't hesitate.

Page 1 of 1

1. A 45-year-old man presents to the emergency department with severe headache and vomiting. A CT scan shows a well-circumscribed cystic lesion within the 3rd ventricle; there is no calcium deposition. The cyst is surgically removed. On histologic examination, the wall of the cyst consists of a single layer of mucin-producing columnar epithelium with a ciliated apical surface. Which of the following is the most likely diagnosis?