Answer of August 2000

Clinical History:

F/15 with sudden onset of headache.

Figure 1 (NECT)
Figure 2 (NECT)

Figure 3 (T1WI)
Figure 4 (T1WI, post GD)

What is your diagnosis?

                            Figure 1                                                            Figure 2

                            Figure 3                                                            Figure 4

Diagnosis:

Pineal and Suprasellar Germinomas

Discussion:

Figure 1&2 CT shows 2 hyperdense masses in the suprasellar and pineal regions. The latter contains calcifications and cystic areas. There is also obstructive hydrocephalus.

Figure 3&4 MR shows the masses are hypointense on T1WI and are very enhancing.