an endocrine aetiology may easily be missed in a patient with relatively minor muscle stiffness , pain and cramps , such as the man described by yunus et al ( 1981 ) whose myalgia , 'arthralgia ' and muscle tenderness vanished completely within four days of taking physiological replacement doses of cortisone acetate as treatment for his hypopituitarism .
C0014136
endocrine
C0020635
hypopituitarism