B-VLDL is seen in which hyperlipoproteinemia?

• A. Type 1
• B. Type 2
• C. Type 3
• D. Type 4

Answer: (C)

Beta-VLDL refers to the remnant particles formed from VLDL after triglyceride removal, and in this condition the clearance of these remnants is impaired. Dysbetalipoproteinemia (often linked to the ApoE2/E2 genotype) leads to accumulation of these beta-VLDL remnants and their next stages (IDL), causing a distinct pattern of elevated cholesterol relative to triglycerides. That’s why B-VLDL is characteristic of this hyperlipoproteinemia. Other types have different patterns: one shows mainly chylomicrons, another shows high LDL, and another shows excess VLDL without the remnant buildup, so the beta-VLDL excess specifically points to this dysbetalipoproteinemia.