Variable expression of familial heterozygous hypobetalipoproteinemia: transient malabsorption during infancy.

Abstract excerpt

Rare instances of symptomatic fat malabsorption have been reported in patients with heterozygous hypobetalipoproteinemia, but with an unclear pathogenesis. An 8-month-old boy with chronic diarrhea and failure to thrive was found to have abnormally low plasma total cholesterol (85 mg/dl), LDL-cholesterol (48 mg/dl), apoB (52 mg/dl), apoA-I (53 mg/dl), and vitamin E (0.22 mg/dl). Decreased plasma LDL-C and apoB...

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