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Cushing's syndrome developing myasthenia gravis with takotsubo cardiomyopathy after adrenalectomy: a case report
Ken Yamamoto1, Takeshi Kuroda2, Satomi Kubota2
1Department of Neurology, Showa University School of Medicine, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo, 142-8666, Japan. ken_yamamoto@med.showa-u.ac.jp.
Background:
Several cases of autoimmune disease onset after treatment for Cushing's syndrome have been reported.
Case Presentation:
Herein, we report a case of myasthenia gravis crisis in a 51-year-old woman 2 months after adrenalectomy for adrenal Cushing's syndrome accompanied by takotsubo cardiomyopathy. The resolution of excessive endogenous cortisol after adrenalectomy may have triggered the onset of previously latent myasthenia gravis.
Conclusions:
Observing the similarities in symptoms between myasthenia gravis and adrenal crisis, which can sometimes be challenging to differentiate, is essential. Moreover, the presence of takotsubo cardiomyopathy as a non-motor manifestation of myasthenic crisis must be noted.
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