Embolization of the Meningohypophyseal Trunk as a Cause of Diabetes Insipidus
Constantine C. Phatourosa,
Randall T. Higashidaa,
Adel M. Maleka,
Wade S. Smitha,
Christopher F. Dowda and
Van V. Halbacha
a From the Division of Neurointerventional Radiology (C.C.P., R.T.H., A.M.M., C.F.D., V.V.H.) and the Department of Neurology (W.S.S.), University of California at San Francisco Medical Center.
View larger version (181K):
[in a new window]
|
FIG 1. 59-year-old man with hyperemia, proptosis, diplopia, and decrease in visual acuity of the right eye.
A and B, Anteroposterior (A) and lateral (B) views of left ICA injection show an enlarged left MHT (arrow, B), the dorsal meningeal branch of which courses across the midline to supply the CCF (arrows, A).
C and D, Anteroposterior views of the selective left MHT injection, subtracted (C) and unsubtracted (D). The point of fistularization is situated at the left posterior cavernous sinus (arrow, C). Note the catheter tip projects laterally.
| |
View larger version (56K):
[in a new window]
|
FIG 2. Schematic representation of the MHT and its three principal branches (according to Parkinson). The IHA is the largest branch
| |
