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AJNR - American Journal of Neuroradiology

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Orbital Lyme Disease: MR Imaging before and after Treatment: Case Report

Girish M. Fatterpekar^a, Robin I. Gottesman^b, Michael Sacher^a and Peter M. Som^a

^a Department of Radiology, Mount Sinai School of Medicine, New York University, NY
^b Tri-County MRI, Chatham, NJ

View larger version (87K): [in a new window]   FIG 1. Contrast-enhanced fat-suppressed T1-weighted MR images obtained through the orbits show diffuse homogeneous thickening of the medial, lateral, and inferior rectus muscles of the right orbit. Minimal thickening of the superior muscle group can be seen. The tendinous insertions are not involved. Scattered inflammatory changes in the ethmoid sinuses and the left maxillary sinus can be seen. A, Axial view. B, Coronal view.

View larger version (86K): [in a new window]   FIG 2. Contrast-enhanced fat-suppressed T1-weighted MR images obtained through the orbits after treatment with doxycycline show complete resolution of the previously noted homogeneous muscle thickening. Scattered inflammatory changes in the ethmoid sinuses and the left maxillary sinus remain. A, Axial view. B, Coronal view.