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Original Article

J Liaquat Uni Med Health Sci. 2008; 7(1): 07-12


Role of B-Scan Ultrasonography for Posterior Segment Lesions

Zafar Dawood, Sajid Ali Mirza and Abdul Qadeer.

Abstract
OBJECTIVE: To determine the usefulness of B-scan ultrasonography and to observe the relative
frequency of conditions for which ultrasound B-scan examination was requested in Ophthalmology.
DESIGN: A descriptive study.
SETTING: Department of Ophthalmology, Ziauddin Medical University and Dr Akil Bin Abdul
Kadir Welfare Eye Hospital Karachi, Sindh - Pakistan, from February 2002 to March 2005.
METHODS: We performed 320 B-scans over a period of 3 years. Patients were selected from out
patient department. We used “SONOMED” and ALCON ultrasound machines.
RESULTS: In the total 320 ultrasounds performed, 102 did not demonstrate any pathology on Bscan
ultrasonography. Vitreous disorders were present in 98 patients, 58 showed retinal detachment,
16 showed intraocular tumors and tumor like conditions, 9 patients showed optic nerve
lesions and 6 patients showed intraocular foreign bodies. The remaining 31 patients had different
types of miscellaneous lesions.
CONCLUSION: Diagnostic ultrasonography has proved to be very helpful method for medical
diagnosis in Ophthalmology. Opacities in the vitreous were the commonest problems followed
by retinal detachment for which ultrasound was advised. It is also important to correlate B-scan
findings to the clinical condition of patient.

Key words: B – Scan. Opacity. Diagnosis. Tumor. Retinal Detachment. Vitreous disorders.



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