Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2005 Jan;26(1):145–151.

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

Copyright © American Society of Neuroradiology

PMC Copyright notice

Fig 3. — A 37-year-old woman with headaches and a communicating quadrigeminal cistern AC (patient 15).

A, CTC performed 2 hours after an intratechal injection of contrast agent shows no enhancement (arrow). Intracystic attenuation was 9 HU.

B, CTC at 12 hours shows mild enhancement (51 HU, arrow).

C, CTC at 24 hours shows clear enhancement (88 HU, arrow).

D and E, Transverse (D) and coronal (E) T2-weighted images (TR/TE/NEX, 7400/115/1).

F, Midsagittal PC cine MR image (TR/TE/flip angle, 70/15.8/10°) shows no evidence of communication (arrow). No signal intensity alterations were seen on transverse and coronal images (not shown).