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Low lactase levels: evaluation of the radiologic diagnosis
- Source :
- Radiology. 111(3)
- Publication Year :
- 1974
-
Abstract
- Twenty-three patients with, low lactase levels and 13 lactase-normal subjects (as determined by disaccharidase assay of jejunal biopsy) underwent a regular small bowel series, a small bowel series with 25 g lactose added to barium sulfate, and a lactose tolerance test. The lactose-barium small bowel study is a sensitive and specific test for individuals with low lactase levels that compares favorably with the lactose tolerance test. The one-hour lactose-barium study, evaluated as a screening procedure, was 90% accurate in predicting low-lactase individuals but had an overall 10% false-positive rate in lactase-normal subjects.
- Subjects :
- Adult
Male
medicine.medical_specialty
Specific test
medicine.medical_treatment
Small bowel series
Gastroenterology
Diagnosis, Differential
chemistry.chemical_compound
Lactose Intolerance
Internal medicine
Intestine, Small
Lactose Tolerance Test
medicine
Humans
Radiology, Nuclear Medicine and imaging
Lactose tolerance test
Jejunal biopsy
False Positive Reactions
Lactose
False Negative Reactions
business.industry
digestive, oral, and skin physiology
Lactase
Syndrome
Middle Aged
Colitis
digestive system diseases
Disaccharidase
Radiography
Barium sulfate
chemistry
Female
business
Subjects
Details
- ISSN :
- 00338419
- Volume :
- 111
- Issue :
- 3
- Database :
- OpenAIRE
- Journal :
- Radiology
- Accession number :
- edsair.doi.dedup.....7750f759651f1b2429afaef2ee2e0ad7