Related Experiment Videos
Imaging of the optic nerve with standardised echography
1Wolverhampton County Eye Infirmary.
Eye (London, England)
|January 1, 1988
Summary
Standardised echography, an advanced ophthalmic ultrasound, excels at detecting subtle optic nerve head lesions. This method provides detailed imaging and tissue diagnosis for improved patient outcomes.
Area of Science:
- Ophthalmology
- Medical Imaging
- Ultrasound Technology
Background:
- Standardised echography utilizes specialized equipment and techniques for ophthalmic imaging.
- The optic nerve's anatomical location makes it well-suited for ultrasound examination.
- High operator skill is essential for accurate and effective standardized echography.
Observation:
- Standardised A-scan echography precisely measures optic nerve width and differentiates lesion types causing swelling.
- The 30-degree test aids in distinguishing fluid from solid lesions.
- Contact B-scan echography is effective for visualizing optic disc abnormalities and calcifications within the optic nerve.
Findings:
- Echography enables "ecographic tissue diagnosis" for a high proportion of optic nerve conditions.
- CT-scan offers superior visualization of the apical and intracranial portions of the optic nerve.
- CT-scan provides simultaneous imaging of both orbits and surrounding structures.
Implications:
- Standardised echography enhances the early detection and characterization of optic nerve pathologies.
- This imaging modality aids in differentiating causes of optic nerve swelling.
- Combined use of echography and CT-scan provides comprehensive evaluation of the optic nerve and orbit.