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B-scan ultrasonography in Graves' orbitopathy
P J Delint1, M P Mourits, C H Kerlen
1F.C. Donders Institute of Ophthalmology, Academic Hospital, Utrecht, The Netherlands.
Documenta Ophthalmologica. Advances in Ophthalmology
|January 1, 1993
Summary
B-scan ultrasonography (USG) and computerized tomography (CT) aid Graves
Area of Science:
- Ophthalmology
- Radiology
- Endocrinology
Background:
- Graves' Orbitopathy (GO) diagnosis and monitoring often require advanced imaging.
- Ultrasonography (USG) and Computerized Tomography (CT) are supplementary diagnostic tools.
- Evaluating the efficacy of USG versus CT in diagnosing GO is crucial.
Purpose of the Study:
- To compare the diagnostic sensitivity of B-scan USG and CT scans in Graves' Orbitopathy.
- To assess the utility of USG A and B scan combination for diagnosing GO and related complications.
Main Methods:
- Retrospective analysis of 107 clinical GO patients evaluated by B-scan USG.
- Retrospective analysis of 27 clinical GO patients evaluated by CT scan.
- Measurement of rectus muscles via B-scan USG; assessment of muscle enlargement and orbital fat via CT.
Main Results:
- B-scan USG demonstrated high sensitivity in diagnosing Graves' Orbitopathy.
- The sensitivity of B-scan USG was found to be equal to or better than that of CT scans.
- USG A and B scan combination proved effective for diagnosing GO, optic neuropathy, and assessing disease activity.
Conclusions:
- B-scan USG is a highly sensitive imaging modality for diagnosing Graves' Orbitopathy.
- Ultrasonography, particularly the A and B scan combination, is an accurate and effective tool for GO diagnosis and management.
- USG provides valuable information regarding disease activity and complications like optic neuropathy.