Demographics:
65 years old, Female
Indication:
Confusion
Findings
CT
- Pineal region mass with peripheral calcification
- Associated obstructive hydrocephalus
MRI
- Pineal region mass measuring 3.3 x 2.5 x 2.5 cm
- Diffuse intermediate T2 signal, restricted diffusion, and avid enhancement
- Peripheral foci of susceptibility artifact corresponding to calcification on the CT
- Downward mass effect on the tectum with obstructive hydrocephalus at the level of the cerebral aqueduct and subependymal edema
Diagnosis
Pineal parenchymal tumor of intermediate differentiation (PPTID)
Key Imaging Features
Become a PRO member to unlock the key imaging features
Differential Diagnosis
Become a PRO member to unlock the differential diagnosis
Discussion
Pearls
Become a PRO member to unlock the pearls