Archive | March 2011

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Chapter 200 – Disorders of the Neuromuscular Junction

Chapter 200 – Disorders of the Neuromuscular Junction   DEBORAH I. FRIEDMAN           DEFINITION • A disorder of the neuromuscular junction, caused by an antibody-mediated autoimmune attack on postsynaptic acetylcholine receptors or the altered presynaptic release of acetylcholine.   KEY FEATURE • Ocular or generalized muscle weakness.   ASSOCIATED FEATURES • […]

Chapter 199 – Paresis of Isolated and Multiple Cranial Nerves and Painful Ophthalmoplegia

Chapter 199 – Paresis of Isolated and Multiple Cranial Nerves and Painful Ophthalmoplegia   MARK L. MOSTER           DEFINITION • Dysfunction of one or more of the three cranial nerves that move the eyes.   KEY FEATURES • Diplopia. • Dysconjugate gaze.   ASSOCIATED FEATURES • Ptosis. • Pupillary abnormalities. • […]

Chapter 198 – Nuclear and Fascicular Disorders of Eye Movement

Chapter 198 – Nuclear and Fascicular Disorders of Eye Movement   SEAN P. DONAHUE           DEFINITION • Eye movement disorders caused by damage to the ocular motor nerve nuclei (cranial nerve III, IV, or VI) or to the ocular motor nerve fascicles within the brainstem as they travel from the nerve […]