Endocrine myopathies

The most commonly recognized endocrine myopathy occurs as a feature of hypothyroidism it may antedate the diagnosis of hypothyroidism by several months. Symptoms and signs of this entity range from mild aches and pains, muscle cramps, and proximal weakness to apparent muscle hypertrophy and the mounding phenomenon, or myoedema (a transient focal ridging of muscle in response to percussing or pinching the muscle). In the usual form, proximal weakness may be observed,...