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Anti-AChR Binding Antibodies: Sensitivity and Specificity

Introduction: None written. Excerpt from the entry in Myasthenia Gravis:
Sensitivity is >80% for generalized myasthenia but down to 50+% in ocular myasthenia. Sensitivity is as high as 99% for patients with associated thymoma. In addition, some number of patients become seropositive over time so numbers can be 92% seropositive. Specificity is per UpToDate.

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Associated Diagnoses:

Myasthenia Gravis

80% sensitive, 100% specific