Neuroretinal damage associated with pituitary macroadenoma: endocrine and radiological predictors and correlation with optical coherence tomography-derived biomarkers - Report - MDSpire
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Neuroretinal damage associated with pituitary macroadenoma: endocrine and radiological predictors and correlation with optical coherence tomography-derived biomarkers
Clinical Report: Association of Neuroretinal Injury with Pituitary Macroadenoma
Overview
This study investigates the relationship between endocrine and radiological characteristics of pituitary macroadenomas and visual impairment.
Background
Pituitary macroadenomas are common intracranial neoplasms that can lead to significant visual disturbances due to their proximity to the optic chiasm. This study aims to identify predictors of visual dysfunction.
Data Highlights
Variable
Finding
Tumor Volume
Larger in males, nonfunctioning tumors, nonoperated patients, and relapses
Visual Field
Worse with larger tumors
OCT Findings
Thinning of total retina and inner retinal layers in patients with disease duration >5 years
Correlation
Macular ganglion cell layer thickness inversely correlated with IGF-1 and prolactin
Inner Nuclear Layer Behavior
Non-linear; thickening in early stages, thinning in severe injury
Key Findings
Surgery normalized ACTH, cortisol, IGF-1, and prolactin levels.
Larger tumors were associated with worse visual field outcomes.
OCT findings included retinal thinning in patients with longer disease duration and larger tumors.
Macular ganglion cell layer thickness correlated inversely with IGF-1 and prolactin levels.
The inner nuclear layer exhibited non-linear behavior in response to injury.
Clinical Implications
The findings suggest that OCT is a valuable tool for early detection of visual pathway damage in patients with pituitary macroadenomas. Clinicians should consider both hormonal and radiological factors when assessing visual impairment in these patients.
Conclusion
This study highlights the integration of endocrine and imaging assessments in understanding visual dysfunction in pituitary macroadenoma patients.
Researchers found larger biological age gaps in more recent birth cohorts and observed associations with higher risk of several cancers diagnosed before age 55.
