Non-malignant brain tumor containing gelatinous material within epithelial tissue. Found in third ventricle posterior to Monro's foramen. Represents 0.5-1.0% of intracranial tumors
32-year-old female presented with 3-year history of right buttock pain. Pain aggravated by hip movements, partially relieved by rest and medications. MRI showed reduced ischiofemoral space and quadratus femoris muscle atrophy. Patient underwent endoscopic resection of right lesser trochanter