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Of 202 patients with myasthenia gravis(MG),6(3%)developed alopecia areata. All six patients had a thymoma verified by pathology;the frequency of alopecia areata rose to 17%of 35 MG patients with a thymoma.In one patient who had no recognizable tumor in the mediastinum,an ectopic thymoma was present in the anterior neck. |
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