PT  - JOURNAL ARTICLE
AU  - A J Doyle
TI  - Optic chiasm position on MR images.
DP  - 1990 May 01
TA  - American Journal of Neuroradiology
PG  - 553--555
VI  - 11
IP  - 3
4099  - http://www.ajnr.org/content/11/3/553.short
4100  - http://www.ajnr.org/content/11/3/553.full
SO  - Am. J. Neuroradiol.1990 May 01; 11
AB  - This article describes the results of a study of the distance from the optic chiasm to the tuberculum sellae as seen on sagittal MR images. Measurements revealed an average chiasm-tuberculum distance of 3.8 mm (2.6 mm for females, 4.3 mm for males) and a sizable group in whom the distance was effectively zero. These results show a fairly close correlation with previous anatomic studies. The closer the chiasm is to the tuberculum, the earlier one may expect clinical manifestations of pituitary disease and the more difficult an intracranial surgical approach to the pituitary will be.