Male, 14 years old, with history of incidentally detected pineal lesion, yearly follow-up exam. Again seen is a partially cystic lesion within the pineal region. As on prior exams, a rind of enhancing tissue is evident predominantly posteriorly. On postcontrast images, the lesion measures 12 x 11 x 8 mm with no significant interval change from the prior exam.Remainder of the brain is within normal limits. No evidence of concerning parenchymal signal abnormality, mass effect or edema is detected. No pathologic parenchymal enhancement is seen. No abnormal extra-axial collections are detected. The ventricular system is patent and within normal limits for size.Mucosal thickening and accumulated secretions within the right sphenoid sinus are seen, similar to prior.
Stable partially cystic pineal lesion.