A patient has diarrhea, malabsorption,  Abdominal pain and Arthralgia. On intestinal biopsy PAS + organisms present inside macrophage. Most likely diagnosis is: (A) Celiac sprue, (B) Whipple's disease, (C) Zollinger - ellison syndrome, (D) Chron's disease
Answer is B. PAS+ Organisms inside macrophage clearly s/o whipple's disease.