This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diseases of Thyroid, Subject name: Medicine
Which of the following are not related to Myxedema? 
Select and explain. 
A. Coronary atherosclerosis, B. Type III Hyperlipoproteinaemia, C. Massive Pericardial effusion, D. Absence of Pulsus paradoxus
B: Type III Hyperlipoproteinaemia
Answer: B: Type III Hyperlipoproteinaemia 
Explanation: Type III Hyper-lipoproteinemia is not a feature of hypothyroidism. Coronary atherosclerosis seen in hypothyroidism is due to increased serum cholesterol and warrants a need for statins. In Hypothyroidism, Massive Pericardial effusion is seen but since it develops over a large period of time, pulsus paradoxus is absent. Type III Hyper-lipoproteinemia/ Dysbetalipoproteinemia Hypercholesterolaemia Hyperiglyceridaemia Normal ApoB concentration Two types of skin signs (palmar xanthomata or orange discoloration of skin creases, and tubero-eruptive xanthomata on the elbows and knees). Early onset of cardiovascular disease and peripheral vascular disease