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Show LITERATURE ABSTRACTS 69 Two young teenagers with acute scleritis were found to have Wegener's granulomatosis, based on sinus biopsy in one and lung biopsy in the other. LYIl A. Sedwick, M. D. Neuro- Imaging and Positron Emission Tomography of Congenital Homonymous Hemianopsia. Bosley TM, Kiyosawa M, Moster M, Harbour R, Zimmerman R, Savino PL Sergott RC, Alavi A, Reivich M. Am 1OphthalmoI1991; 111: 413- 8 ( Apr). [ Reprint requests to Dr. T. M. Bosley, NeuroOphthalmology Service, Wills Eye Hospital, Ninth and Walnut Streets, Philadelphia, PA 19107.] The authors review eight patients with congenital homonymous hemianopia. All had computerized tomography, and the three with normal computerized tomography had magnetic resonance imaging that showed visual radiation abnormality in two and absence of the optic tract in one. The two with visual radiation damage only on magnetic resonance imaging were studied with positron emission tomography and found to have normal resting glucose metabolism in both occipital lobes but no increase in activity in the occipital cortex corresponding to the homonymous hemianopia with whole field stimulation. LYIl A. Sedwick, M. D. Bilateral Congenital Oculomotor Nerve Palsy in a Child With Brain Anomalies. Good WV, Barkovich AL Nickel BL, Hoyt CS. Am 1Ophtlwlmol1991; 111: 555- 8 ( May). [ Reprint requests to Dr. W. V. Good, 400 Parnassus Avenue, A 704, San Francisco, CA 94143.] A 3- month- old boy with bilateral oculomotor nerve palsy was found to have a brain anomaly in the region of the basal ganglia. One pupil was normal and there was no evidence of aberrant regeneration. The authors conclude that the origin of the oculomotor nerve palsies was central and developmental in this case, and that the normal pupil reflected the later development of the EdingerWestphal nucleus on one side. LYIl A. Sedwick, M. D. A Magnetic Resonance Imaging Study of the Upshoot- Downshoot Phenomenon of Duane's Retraction Syndrome. Bloom IN, Graviss ER, Mardelli PG. Am 1 Ophthalmol 1991; 111: 548- 54 ( May). [ Reprint requests to Dr. J. N. Bloom, Bethesda Eye Institute, St. Louis University School of Medicine, 3655 Vista Avenue, St. Louis, MO 63110.] Two patients with Duane's retraction syndrome were examined with orbital magnetic resonance imaging. The authors studied each eye's muscle and optic nerve positions in primary position and in adduction, where one patient had an upshoot and the other a downshoot of the affected eye. They found no significant displacement of the lateral rectus muscle with up- or downshoot which makes unlikely the theory that these overshoots result from a slippage of this muscle vertically in adduction to produce the vertical eye movement. LYIl A. Sedwick, M. D. Vertebral Artery Occlusion Complicating Perimetry. De Keyser L Herroelen L, Van Langenhove L. Am 1OphthalmoI1991; 111: 516- 7 ( Apr). [ Inquiries to Dr. J. De Keyser, Department of Neurology, Academisch Ziekenhuis Vrije Unversiteit Brussel, Laarbeeklaan 101, B 1090 Brussels, Belgium.] The perils of perimetry! A patient undergoing automated perimetry, with inadvertent hyperextension of his neck, suffered transient symptoms of vertebral artery occlusion following the testing. The perimetry position was felt to be causative and the authors recommend " instructing clinical personnel about the potential hazards of neck hyperextension.' , LYIl A. Sedwick, M. D. Associated Neurologic and Ophthalmologic Findings in Congenital Oculomotor Nerve Palsy. Hamed LM. Ophthalmology 1991; 98: 708- 14 ( May). [ Reprint requests to Dr. L. M. Hamed, University of Florida College of Medicine, Department of Ophthalmology, Box J- 284, JHMHC, Gainesville, FL 32610- 0284.] I elm NClIro-" l'hthalmol. Vol. 12. No. 1. 1992 |