Question:
A 10-year-old patient has high total cholesterol, tendon xanthomas, and a family history of similar findings. Triglyceride levels are normal. What type of familial dyslipidemia is most likely?
A 10-year-old patient has high total cholesterol, tendon xanthomas, and a family history of similar findings. Triglyceride levels are normal. What type of familial dyslipidemia is most likely?
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Familial hypercholesterolemia with tendon xanthomas and normal triglycerides = Type IIa.
Updated On: May 14, 2026
- Type I
- Type IIa
- Type IIb
- Type II
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The Correct Option is B
Solution and Explanation
Concept:
Familial hypercholesterolemia is Type IIa hyperlipoproteinemia. It shows increased LDL cholesterol with normal triglycerides.
Step 1: Identify clinical features.
The patient has: \[ \text{High cholesterol + tendon xanthomas + family history} \] This suggests familial hypercholesterolemia.
Step 2: Interpret triglycerides.
Triglycerides are normal, which supports isolated LDL elevation.
Step 3: Identify Fredrickson type.
Isolated LDL elevation is: \[ \text{Type IIa} \]
Step 1: Identify clinical features.
The patient has: \[ \text{High cholesterol + tendon xanthomas + family history} \] This suggests familial hypercholesterolemia.
Step 2: Interpret triglycerides.
Triglycerides are normal, which supports isolated LDL elevation.
Step 3: Identify Fredrickson type.
Isolated LDL elevation is: \[ \text{Type IIa} \]
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