Given the following laboratory information, what is the most probable laboratory diagnosis?
Fecal fat - increased
Stool examination - foul smelling
Lactose intolerance test - normal
Serum carotene and serum vitamin A - decreased
Serum vitamin B₁₂ and serum folate - normal to decreased
Schilling test - abnormal
D-Xylose absorption - abnormal
Stool occult blood - negative
Carcinoembryonic antigen - normal
Gluten antibodies - negative

Question

Quizplus · Accepted Answer

Steatorrhea is a clinical syndrome caused by the malabsorption of dietary fats.Data that closely correlate with steatorrhea include the increased fecal fat and the repugnant odor.There are several possible causes for steatorrhea, one of which is intestinal mucosal impairment, which is supported by the elevated D-xylose.Celiac disease is not as likely as steatorrhea because of the absence of gluten antibodies.Additionally, the D-xylose test result and the negative CEA tend to rule out carcinoid syndrome and bowel carcinoma.

Given the Following Laboratory Information, What Is the Most Probable