TY - JOUR T1 - MR Imaging Features of Giant Reservoir Formation in the Orbit: An Unusual Complication of Ahmed Glaucoma Valve Implantation JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. SP - 1565 LP - 1566 DO - 10.3174/ajnr.A0610 VL - 28 IS - 8 AU - T.Y. Jeon AU - H.-J. Kim AU - S.T. Kim AU - T.-Y. Chung AU - C. Kee Y1 - 2007/09/01 UR - http://www.ajnr.org/content/28/8/1565.abstract N2 - SUMMARY: We report the MR imaging findings of an unusually large fluid collection, so-called giant reservoir, around an Ahmed glaucoma valve implant that caused progressive proptosis in a patient with posttraumatic glaucoma. Although other cystic lesions of the juxtalacrimal area of the orbit, such as dermoid cyst, can present similar imaging findings, the characteristic morphology and location should lead the radiologist to the correct nature of this cystic lesion. ER -