Dr.Anjana Devi Rudra Warrier
Ten patients with Pituitary Adenoma had Optic Nerve compression on MRI. The size of Pituitary Adenoma in craniocaudal, anteroposterior and transverse axis and the total size was compared with the field defect . In patients without field defect, temporal depression was calculated by the quadrant sum of sensitivity. Six patients had field defect and four patients did not have field defect. The size of Pituitary adenoma in craniocaudal axis and transverse axis was higher in patients with field defect , but was not statistically significant. The size of Pituitary Adenoma in anteroposterior axis and total size was higher in patients with field defect and was statistically significant.
Conclusion : Even patients of Pituitary Adenoma with Optic Nerve compression on MRI can have normal visual fields. In such Cases, the total size and the size of Pituitary Adenoma in anteroposterior axis can be a significant predictor of visual field defects.
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