Non pitting edema is seen in?: (A) Congestive cardiac failure, (B) Myxedema, (C) Liver failure, (D) Renal failure
Answer is B. ANSWER: (B) MyxedemaREF: Harrison's 18th ed chapter 36"The edema is non pitting in myxedema because of deposition of hyaluronic acid"Causes of non pitting pedal edema:MyxedemaHyperthyroidism (pretibial myxedema secondary to Graves' disease),FilarisasisLymphedemaLipoedema