This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Which of the following is not a malabsorption syndrome: 
Select and explain. 
A. Whipple's disease, B. Coeliac disease, C. Tropical sprue, D. Tangier's disease
D: Tangier's disease
Answer: D: Tangier's disease 
Explanation: Answer is D (Tangier's Disease) Tangier's Disease is a genetic disorder charachterized by a severe deficiency of high density lipoprotein cholesterol (HDL-C) concentration in the plasma as well as deposition of cholesterol crystals in the tissue. Tangier's disease is synonymous with Familial High Density Lipoprotein Deficiency. Malabsorption Syndromes Diffuse, specific Whipple's disease Agammaglobulinemia Abetalipoproteinemia Patchy specific Intestinal lymphoma Intestinal lymphangiectasia Eosinophilic gastroenteritis Amyloidosis Crohn's disease Infection by one or moremicroorganisms Mastocytosis Diffuse, nonspecific Celiac sprue Tropical sprue Bacterial overgrowth Folate deficiency Vitamin B12 deficiency Radiation enteritis Zollinger -- Ellison syndrome Protein --calorie malnutrition Drug-induced enteritis