Zubair Janan, Misbah Durrani, Inam-ul Haq Khan.
Role of Diffusion Weighted Imaging (DWI) MRI in Diagnosis of Orbital Abscess.
Ophthalmol Update Jan ;15(3):187-9.
Objective: To determine the role of Diffusion weighted Imaging (DWI) MRI in diagnosis of orbital abscess. Methodology: The study was conducted in Radiology Department of Mardan Medical Complex Mardan, from June 2013 to May 2014. This was a cross sectional study. Thirteen patients with infectious orbital cellulitis and suspected abscess were subjected to contrast enhanced MRI of the brain and orbits including whole-brain DWI. Final diagnosis of orbital abscess was based on clinical findings, operative findings and response to antibiotic therapy. Results: Study included 13 patients, DWI showed restriction in 9(69 %) patients. The presence of abscess was determined clinically and surgically in 8 (88.9 %)out of theses 9 patients. 1 patient, with no diffusion restriction, showed abscess surgically. Overall sensitivity and specificity for DWI is 88.9 % and 75 % respectively. Conclusion: Diffusion weighted Imaging (DWI) of MRI brain aids in the diagnosis of orbital abscess.
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