Endocrine myopathies: clinical and histopathological features of the major forms

Carmelo Rodolico *, Carmen Bonanno *, Alessia Pugliese, Giulia Nicocia, Salvatore Benvenga, Antonio Toscano

Department of Clinical and Experimental Medicine, University of Messina, Italy *These two authors contributed equally to the paper

Endocrinopathies, such as thyroid and parathyroid diseases, disorders of the adrenal axis, and acromegaly are included among the many causes of myopathy. Muscle disturbances caused by endocrine disorders are mainly due to alterations in the protein and carbohydrate metabolisms. Either a deficiency or excess of hormones produced by the glands can cause muscle dysfunction that can be reversed by starting hormone replacement therapy or acting on hormone dysfunction. The diagnosis is usually easy if a muscle disorder occurs in an overt endocrinopathy; however, in few patients, myopathy could be the first manifestation of the underlying endocrinopathy. In this article we discuss pathophysiology, clinical features and management of muscle involvement related to the major endocrine diseases. 

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