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Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas
Published on: January 17, 2018
[Compressive optic neuropathy secondary to a pituitary macroadenoma]
M Cheour1, H Mazlout, S Agrebi
1Service d'ophtalmologie, faculté de médecine de Tunis, université de Tunis El Manar, CHU Habib Thameur, 8, rue Ali Ben Ayed Montfleury, 1008 Tunis, Tunisie. moniacheour@yahoo.fr
Journal Francais D'Ophtalmologie
|April 30, 2013
Summary
Pituitary adenomas can cause vision loss that mimics glaucoma. Early neuroimaging is crucial for diagnosing compressive optic neuropathy, distinguishing it from glaucoma and enabling timely treatment.
Area of Science:
- Neuro-ophthalmology
- Endocrinology
- Neurosurgery
Background:
- Pituitary adenomas are common intracranial tumors (8-10% of lesions).
- Compressive optic neuropathy from pituitary adenomas can mimic glaucomatous optic neuropathy.
- Accurate diagnosis is essential for effective treatment and visual preservation.
Observation:
- A 56-year-old man presented with 6 months of rapidly decreasing visual acuity.
- Funduscopic examination showed bilateral, asymmetric optic cupping, resembling glaucoma.
- Brain MRI revealed a pituitary tumor compressing the optic chiasm.
Findings:
- Pituitary adenoma can present with visual symptoms indistinguishable from glaucoma.
- Optic disc appearance in compressive optic neuropathy may simulate glaucomatous changes.
- Compression of the optic chiasm by a pituitary tumor is a key diagnostic finding.
Implications:
- Clinicians should consider compressive optic neuropathy in suspected glaucoma cases with atypical features.
- Prompt neuroimaging is vital for early diagnosis of pituitary adenoma-related vision loss.
- Distinguishing between pituitary adenoma and glaucoma is critical for appropriate management and preventing irreversible vision impairment.
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