RAIONALE Myxedema coma (MC) is extremely rare but lethal in pediatric patients with hypothyroidism leading to altered mental status and hypothermia. But there is no clinical guideline for such cases. PATIENT CONCERNS A 6-year-old Chinese girl presented with coma and hypothermia preceded by pneumonia. Her lab results were: free thyroxin (T4) 4.18 pmol/L and thyroid-stimulating hormone (TSH) > ...

Infiltrative dermopathy is an uncommon manifestation of Graves' disease. The most frequent location of infiltration is the lower extremities, especially the pretibial areas and on the dorsum of the foot. Rarely the hand, elbow, arm, and forearm are affected. We report a 66-year-old man with Graves' disease of nine years duration who presented with dermopathy and nonpitting edema of the toe with...

A 74-year-old man with myxedema and hypothermia had increased activities in plasma of creatine kinase (CK; EC 2.7.3.2), aspartate aminotransferase (AST; EC 2.6.1.1), and lactate dehydrogenase (LD; EC 1.1.1.27) and increased proportions of CK-MB (up to 20% of total CK) and LD1 isoenzymes, but no clinical or investigational evidence of associated myocardial infarction. This case illustrates that ...

A successfully treated patient with myxedema coma of pituitary origin is reported. A forty-three year old woman, having a typical history of Sheehan's syndrome, was precipitated into the state of shock and coma. The coma was characterized with clinical features of myxedema coma, such as hypothermia, bradycardia and shallow respiration. The patient recovered from shock after intravenous administ...

Myxedema coma is a decompensated hypothyroidism which occurs due to long-standing, undiagnosed, or untreated hypothyroidism. Untreated hypothyroidism is known to affect almost all organs including the heart. It is associated with a decrease in cardiac output, stroke volume due to decreased myocardial contractility, and an increase in systemic vascular resistance. It can cause cardiac arrhythmia...

We herein report the case of myasthenic crisis occurring in a 51-year-old man. He had experienced ptosis, increased body weight with edema, and fatigue with dyspnea. He presented at our emergency department with disturbed consciousness. He was originally diagnosed with myxedema coma, and he required artificial respiration. Because his weakness persisted and he was positive for anti-acetylcholin...