The Visual Field Recovery Following Transnasal Transphenoidal Surgery for Pituitary Adenoma: A Case Report
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Purpose: To report a pituitary adenoma case with compression of the optic chiasma and visual field defect recovery following transnasal transphenoidal surgery.
Method: A Case report
Result: A 65-year-old female patient presented with the primary complaint of decreased visual acuity (VA) and visual field defects in both eyes. Visual field examination revealed bitemporal hemianopia, Ganglion Cell – Inner Plexiform Layer (GCIPL) atrophy in the left eye. Magnetic resonance imaging (MRI) of the sella and parasellar region showed a lesion of the optic chiasm approximately 30 mm in diameter compressing the optic chiasm and the floor of the third ventricle, eroding the sellar floor, with “snowman sign”. Transnasal transsphenoidal surgery was promptly performed following the diagnosis, leading to improvement in VA and visual field defect 25 days postoperative.
Conclusion: Clinicians should be aware that patients with non-functioning pituitary adenomas (NFPAs) usually seek ophthalmologists because of the visual disturbance, such as impaired visual acuity and visual field defects. This case report highlights the importance of early diagnosis and timely neurosurgical intervention in preventing irreversible visual impairment in patients with pituitary macroadenomas.
Conflicts of Interest: None.
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