Differentiating celiac disease from other diseases: Difference between revisions
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==Differentiating Celiac Disease from Other Diseases== | ==Differentiating Celiac Disease from Other Diseases== | ||
Celiac disease must be differentiated from other diseases presenting as chronic diarrhea (diarrhea for more than 2 weeks) and abdominal pain and discomfort. The table below summarizes the findings that differentiate causes of chronic diarrhea<ref name="pmid16151544">{{cite journal| author=Silverberg MS, Satsangi J, Ahmad T, Arnott ID, Bernstein CN, Brant SR et al.| title=Toward an integrated clinical, molecular and serological classification of inflammatory bowel disease: report of a Working Party of the 2005 Montreal World Congress of Gastroenterology. | journal=Can J Gastroenterol | year= 2005 | volume= 19 Suppl A | issue= | pages= 5A-36A | pmid=16151544 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=16151544 }} </ref><ref name="pmid12135027">{{cite journal| author=Sauter GH, Moussavian AC, Meyer G, Steitz HO, Parhofer KG, Jüngst D| title=Bowel habits and bile acid malabsorption in the months after cholecystectomy. | journal=Am J Gastroenterol | year= 2002 | volume= 97 | issue= 7 | pages= 1732-5 | pmid=12135027 | doi=10.1111/j.1572-0241.2002.05779.x | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=12135027 }} </ref><ref name="pmid1702075">{{cite journal| author=Maiuri L, Raia V, Potter J, Swallow D, Ho MW, Fiocca R et al.| title=Mosaic pattern of lactase expression by villous enterocytes in human adult-type hypolactasia. | journal=Gastroenterology | year= 1991 | volume= 100 | issue= 2 | pages= 359-69 | pmid=1702075 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=1702075 }} </ref><ref name="pmid14439871">{{cite journal| author=RUBIN CE, BRANDBORG LL, PHELPS PC, TAYLOR HC| title=Studies of celiac disease. I. The apparent identical and specific nature of the duodenal and proximal jejunal lesion in celiac disease and idiopathic sprue. | journal=Gastroenterology | year= 1960 | volume= 38 | issue= | pages= 28-49 | pmid=14439871 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=14439871 }} </ref><ref name="pmid8694025">{{cite journal| author=Hertzler SR, Savaiano DA| title=Colonic adaptation to daily lactose feeding in lactose maldigesters reduces lactose intolerance. | journal=Am J Clin Nutr | year= 1996 | volume= 64 | issue= 2 | pages= 232-6 | pmid=8694025 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=8694025 }} </ref><ref name="pmid9414969">{{cite journal| author=Briet F, Pochart P, Marteau P, Flourie B, Arrigoni E, Rambaud JC| title=Improved clinical tolerance to chronic lactose ingestion in subjects with lactose intolerance: a placebo effect? | journal=Gut | year= 1997 | volume= 41 | issue= 5 | pages= 632-5 | pmid=9414969 | doi= | pmc=1891556 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=9414969 }} </ref><ref name="pmid15391722">{{cite journal| author=BLACK-SCHAFFER B| title=The tinctoral demonstration of a glycoprotein in Whipple's disease. | journal=Proc Soc Exp Biol Med | year= 1949 | volume= 72 | issue= 1 | pages= 225-7 | pmid=15391722 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=15391722 }} </ref> | Celiac disease must be differentiated from other diseases presenting as chronic diarrhea (diarrhea for more than 2 weeks) and abdominal pain and discomfort. The table below summarizes the findings that differentiate causes of chronic diarrhea and abdominal pain:<ref name="pmid16151544">{{cite journal| author=Silverberg MS, Satsangi J, Ahmad T, Arnott ID, Bernstein CN, Brant SR et al.| title=Toward an integrated clinical, molecular and serological classification of inflammatory bowel disease: report of a Working Party of the 2005 Montreal World Congress of Gastroenterology. | journal=Can J Gastroenterol | year= 2005 | volume= 19 Suppl A | issue= | pages= 5A-36A | pmid=16151544 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=16151544 }} </ref><ref name="pmid12135027">{{cite journal| author=Sauter GH, Moussavian AC, Meyer G, Steitz HO, Parhofer KG, Jüngst D| title=Bowel habits and bile acid malabsorption in the months after cholecystectomy. | journal=Am J Gastroenterol | year= 2002 | volume= 97 | issue= 7 | pages= 1732-5 | pmid=12135027 | doi=10.1111/j.1572-0241.2002.05779.x | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=12135027 }} </ref><ref name="pmid1702075">{{cite journal| author=Maiuri L, Raia V, Potter J, Swallow D, Ho MW, Fiocca R et al.| title=Mosaic pattern of lactase expression by villous enterocytes in human adult-type hypolactasia. | journal=Gastroenterology | year= 1991 | volume= 100 | issue= 2 | pages= 359-69 | pmid=1702075 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=1702075 }} </ref><ref name="pmid14439871">{{cite journal| author=RUBIN CE, BRANDBORG LL, PHELPS PC, TAYLOR HC| title=Studies of celiac disease. I. The apparent identical and specific nature of the duodenal and proximal jejunal lesion in celiac disease and idiopathic sprue. | journal=Gastroenterology | year= 1960 | volume= 38 | issue= | pages= 28-49 | pmid=14439871 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=14439871 }} </ref><ref name="pmid8694025">{{cite journal| author=Hertzler SR, Savaiano DA| title=Colonic adaptation to daily lactose feeding in lactose maldigesters reduces lactose intolerance. | journal=Am J Clin Nutr | year= 1996 | volume= 64 | issue= 2 | pages= 232-6 | pmid=8694025 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=8694025 }} </ref><ref name="pmid9414969">{{cite journal| author=Briet F, Pochart P, Marteau P, Flourie B, Arrigoni E, Rambaud JC| title=Improved clinical tolerance to chronic lactose ingestion in subjects with lactose intolerance: a placebo effect? | journal=Gut | year= 1997 | volume= 41 | issue= 5 | pages= 632-5 | pmid=9414969 | doi= | pmc=1891556 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=9414969 }} </ref><ref name="pmid15391722">{{cite journal| author=BLACK-SCHAFFER B| title=The tinctoral demonstration of a glycoprotein in Whipple's disease. | journal=Proc Soc Exp Biol Med | year= 1949 | volume= 72 | issue= 1 | pages= 225-7 | pmid=15391722 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=15391722 }} </ref> | ||
{| class="wikitable" | {| class="wikitable" | ||
! rowspan="2" align="center" style="background:#4479BA; color: #FFFFFF;" |Cause | ! rowspan="2" align="center" style="background:#4479BA; color: #FFFFFF;" |Cause | ||
Line 54: | Line 56: | ||
* [[Immunoglobulin A]] (IgA) anti-tissue transglutaminase (TTG) antibody | * [[Immunoglobulin A]] (IgA) anti-tissue transglutaminase (TTG) antibody | ||
|- | |- | ||
! | !Grain allergy | ||
| + | | + | ||
| - | | - | ||
| | |Childhood | ||
| | | + | ||
| | | + | ||
| + | | + | ||
| | | | ||
* | * Vomiting | ||
* Abdominal distention | |||
| | | | ||
* | * Elevated IgE levels | ||
| | | | ||
* | * Atopic dermatitis (eczema) | ||
* | * dysphagia | ||
| | | | ||
* | * Abnormal immune response to wheat [[antigens]] | ||
| | | | ||
* | * Measurement of grain-specific immunoglobulin E (IgE) | ||
|- | |- | ||
! align="center" style="background:#DCDCDC;" |[[Cystic fibrosis]] | ! align="center" style="background:#DCDCDC;" |[[Cystic fibrosis]] | ||
Line 103: | Line 101: | ||
* Elevated [[Sweat chloride test|sweat chloride]] ≥60 mmol/L | * Elevated [[Sweat chloride test|sweat chloride]] ≥60 mmol/L | ||
|- | |- | ||
! align="center" style="background:#DCDCDC;" |[[ | ! align="center" style="background:#DCDCDC;" |[[Lactose intolerance]] | ||
| + | | + | ||
| - | | - | ||
| | |Adult | ||
| | | - | ||
| - | | - | ||
| + | | + | ||
| | |||
* [[Abdominal tenderness]] | |||
| | | | ||
* | * Stool [[osmotic]] gap of >125 mOsm/kg | ||
* Stool pH <6 | |||
* | |||
| | | | ||
* [[ | * Avoidance of [[Dietary|dietary]]<nowiki/> [[lactose]] | ||
* [[ | * Substitution to maintain [[nutrient]] intake | ||
* [[ | * Regulation of [[calcium]] intake | ||
* Use of [[enzyme]] [[lactase]] | |||
| | | | ||
* [[ | * Acquired primary [[lactase deficiency]] | ||
** Adult-type [[hypolactasia]] | |||
** [[Lactase]] nonpersistence) | |||
| | | | ||
* [[ | * [[Lactose]] breath hydrogen test | ||
|- | |- | ||
! align="center" style="background:#DCDCDC;" |[[Crohns disease|Crohns disease]] | ! align="center" style="background:#DCDCDC;" |[[Crohns disease|Crohns disease]] | ||
Line 133: | Line 132: | ||
(20th) | (20th) | ||
| + | | + | ||
| | |<nowiki>+/-</nowiki> | ||
| + | | + | ||
| | | | ||
Line 153: | Line 152: | ||
| | | | ||
* [[Colonoscopy]] with [[biopsy]] | * [[Colonoscopy]] with [[biopsy]] | ||
|- | |||
! align="center" style="background:#DCDCDC;" |[[Laxative abuse|Laxative overuse]] | |||
| + | |||
| - | |||
|After childhood | |||
|<nowiki>+/-</nowiki> | |||
| - | |||
| +/- | |||
| | |||
* Enhanced [[gastrointestinal]] motility and [[gastrointestinal]] sound | |||
* Mild [[abdominal tenderness]] | |||
* [[Abdominal distension|Abdominal bloating]] | |||
| | |||
* [[Hypokalemia]] | |||
* [[Metabolic alkalosis]] | |||
* [[Hypermagnesemia]](in case of [[magnesium]] [[laxative]] usage) | |||
|<nowiki>-</nowiki> | |||
| | |||
* [[Laxative]] drug abuse | |||
| | |||
* [[Laxatives|Laxative]] screening on a stool for: | |||
** [[Diphenolic laxatives]] (eg, [[bisacodyl]]) | |||
** [[Polyethylene glycol|Polyethylene glyco]]<nowiki/>l-containing [[laxatives]] | |||
|- | |- | ||
! align="center" style="background:#DCDCDC;" |[[Hyperthyroidism]] | ! align="center" style="background:#DCDCDC;" |[[Hyperthyroidism]] | ||
Line 180: | Line 202: | ||
| | | | ||
* [[TSH]] | * [[TSH]] | ||
|- | |||
! align="center" style="background:#DCDCDC;" |[[Whipple's disease|Whipple disease]] | |||
| +/- | |||
| + | |||
|50th | |||
|<nowiki>+</nowiki> | |||
|<nowiki>-</nowiki> | |||
|<nowiki>+</nowiki> | |||
| | |||
* [[Arthralgia|Arthralgias]] of the large joints | |||
* [[Hematochezia]] | |||
| | |||
* [[Leukocytopenia]] | |||
* [[Thrombocytopenia]] | |||
| | |||
* [[Skin hyperpigmentation]] | |||
* [[Arthralgias]] | |||
| | |||
* ''[[Tropheryma whipplei]]'' | |||
| | |||
* Upper [[endoscopy]] with [[biopsies]] of the [[small intestine]] for ''[[Tropheryma whipplei|T. whipplei]]'' testing | |||
|- | |||
! align="center" style="background:#DCDCDC;" |[[Irritable bowel syndrome]] | |||
| + | |||
| - | |||
|Between 30 and 50 | |||
|<nowiki>-</nowiki> | |||
|<nowiki>-</nowiki> | |||
|<nowiki>+</nowiki> | |||
| | |||
* [[Abdominal tenderness]] | |||
* Hard stool in the rectal vault | |||
|<nowiki>-</nowiki> | |||
| | |||
* [[Bloating|Bloating]] | |||
* [[Flatulence]] | |||
| | |||
* Postinfectious | |||
* Inflammatory | |||
| | |||
* [[Diagnosis|Clinical diagnosis]] | |||
** ROME III criteria | |||
** [[Pharmacological|Pharmacologic]] studies based criteria | |||
|- | |- | ||
! align="center" style="background:#DCDCDC;" |[[VIPoma]] | ! align="center" style="background:#DCDCDC;" |[[VIPoma]] | ||
Line 210: | Line 275: | ||
* Followed by imaging | * Followed by imaging | ||
|- | |- | ||
! align="center" style="background:#DCDCDC;" |[[ | ! align="center" style="background:#DCDCDC;" |[[Gastrinoma]] ([[Zollinger-Ellison syndrome|Zollinger-Ellison syndrome]]) | ||
| + | | + | ||
| - | | - | ||
|Between | |Between the ages of 20 and 50 | ||
| | | + | ||
| | | +/- | ||
| | | + | ||
| | |||
* Mild to moderate upper [[abdominal tenderness]] | |||
| | | | ||
* [[ | * Positive [[secretin]] stimulation test | ||
* | * Elevated serum [[chromogranin A]] | ||
| | | | ||
* [[ | * [[Heartburn]] | ||
| | | | ||
* | * [[Gastrin]] producing tumor mainly in [[duodenum]] | ||
| | | | ||
* [[ | * Elevated basal or stimulated serum [[gastrin]] more than 1000 pg/mL | ||
|- | |- | ||
! align="center" style="background:#DCDCDC;" |[[Lactose intolerance]] | ! align="center" style="background:#DCDCDC;" |[[Lactose intolerance]] | ||
Line 254: | Line 316: | ||
* Reduction of lactase enzyme activity or lactase nonpersistence | * Reduction of lactase enzyme activity or lactase nonpersistence | ||
* Congenital lactase deficiency | * Congenital lactase deficiency | ||
| | | | ||
* | * Lactase activity assay | ||
|- | |- | ||
! align="center" style="background:#DCDCDC;" |Allergic enteropathy/Food protein-induced enterocolitis syndrome (FPIES) | ! align="center" style="background:#DCDCDC;" |Allergic enteropathy/Food protein-induced enterocolitis syndrome (FPIES) | ||
Line 292: | Line 336: | ||
* Triggered by cow's milk protein | * Triggered by cow's milk protein | ||
* Profuse, repetitive [[vomiting]] | * Profuse, repetitive [[vomiting]] | ||
|[[Autoimmunity|Autoimmune]]/[[Allergy|allergic]] response to food [[antigens]] | | | ||
|[[Oral]] food challenge (OFC) | * [[Autoimmunity|Autoimmune]]/[[Allergy|allergic]] response to food [[antigens]] | ||
| | |||
* [[Oral]] food challenge (OFC) | |||
|- | |- | ||
! align="center" style="background:#DCDCDC;" |[[Eosinophilic gastroenteritis]] | ! align="center" style="background:#DCDCDC;" |[[Eosinophilic gastroenteritis]] | ||
Line 312: | Line 358: | ||
* One-half of patients have other [[Allergic disorders|allergic diseases]] | * One-half of patients have other [[Allergic disorders|allergic diseases]] | ||
* Associated with an identifiable [[dietary]] [[antigen]] | * Associated with an identifiable [[dietary]] [[antigen]] | ||
|[[Autoimmunity|Autoimmune]]/[[Allergy|allergic]] response to food [[antigens]] | | | ||
|[[Eosinophilic]] infiltration of the [[gastrointestinal tract]] on [[biopsy]] | * [[Autoimmunity|Autoimmune]]/[[Allergy|allergic]] response to food [[antigens]] | ||
| | |||
* [[Eosinophilic]] infiltration of the [[gastrointestinal tract]] on [[biopsy]] | |||
|- | |||
! align="center" style="background:#DCDCDC;" |Primary bile acid malabsorption | |||
| + | |||
| +/- | |||
|Childhood Adolescents | |||
| + | |||
| + | |||
| +/- | |||
| - | |||
| | |||
* Low [[Vitamin A|vitamins A]], [[Vitamin D|D]], E, and K | |||
* [[Anemia]] | |||
| | |||
* Disease hetergenicity lead to varying presentation from chronic [[diarrhea]] without significant fat [[Malabsorption|malabsorptio]]<nowiki/>n to severe [[watery diarrhea]] and steatorrhea with [[malnutrition]] | |||
| | |||
* [[Genetic defects]] in ''SLC10A2'' (solute carrier family 10 member 2 gene) | |||
| | |||
* Total and specific [[bile acid]]<nowiki/>s from stool | |||
* [[Gamma emitter selenium-75-homocholic acid taurine]] (SeHCAT) | |||
|- | |||
! align="center" style="background:#DCDCDC;" |[[Abetalipoproteinemia]] | |||
| - | |||
| + | |||
|Infancy | |||
| + | |||
| + | |||
| + | |||
| | |||
* [[Abdominal distension|Abdominal distention]] | |||
* Impaired [[visual acuity]] and [[Visual field defect|visual field defects]] | |||
* [[Dysarthria]] | |||
| | |||
* Low [[triglyceride]] | |||
* Low total [[cholesterol]] levels | |||
* [[Acanthocytes]] | |||
* Low [[vitamin E]] levels | |||
| | |||
* [[Clumsiness]] | |||
* Vision impairment | |||
* [[Ataxia]] | |||
| | |||
* [[Autosomal recessive]] disorder caused by mutations encoding the [[microsomal]] [[triglyceride]] transfer protein (MTP) | |||
| | |||
* Clinical findings and low [[triglyceride]] and [[cholesterol]] level | |||
|- | |- | ||
! align="center" style="background:#DCDCDC;" |[[Microscopic colitis]] | ! align="center" style="background:#DCDCDC;" |[[Microscopic colitis]] | ||
Line 391: | Line 483: | ||
| +/- | | +/- | ||
| + | | + | ||
|[[Abdominal tenderness]] | | | ||
* [[Abdominal tenderness]] | |||
|[[Stool examination|Stool examination:]] | |[[Stool examination|Stool examination:]] | ||
* Acidic | * Acidic | ||
Line 403: | Line 496: | ||
| | | | ||
* Positive [[glucose]] breath [[hydrogen]] test + normal intestinal [[biopsy]] | * Positive [[glucose]] breath [[hydrogen]] test + normal intestinal [[biopsy]] | ||
|} | |} | ||
Revision as of 14:53, 13 September 2017
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Celiac disease must be differentiated from other diseases presenting as chronic diarrhea. Common differntials of celiac disease include lactose intolerance, cystic fibrosis, Crohns disease, laxative overuse, hyperthyroidism and irritable bowel syndrome.
Differentiating Celiac Disease from Other Diseases
Celiac disease must be differentiated from other diseases presenting as chronic diarrhea (diarrhea for more than 2 weeks) and abdominal pain and discomfort. The table below summarizes the findings that differentiate causes of chronic diarrhea and abdominal pain:[1][2][3][4][5][6][7]
Cause | Diarrhea | Peak age of onset | History | Physical exam | Lab findings | Additional finding | Cause/Pathogenesis | Gold standard dignosis | |||
---|---|---|---|---|---|---|---|---|---|---|---|
Watery | Fatty | Weight loss | FTT | Abdominal pain | |||||||
Celiac disease | +/- | +/- | Childhood
Adult |
+ | + | + |
|
|
|
| |
Grain allergy | + | - | Childhood | + | + | + |
|
|
|
|
|
Cystic fibrosis | - | + | Infancy and childhood | + | + | + |
|
|
|
| |
Lactose intolerance | + | - | Adult | - | - | + |
|
|
| ||
Crohns disease | + | - | Young adults
(20th) |
+ | +/- | + |
|
|
|
|
|
Laxative overuse | + | - | After childhood | +/- | - | +/- |
|
|
- |
|
|
Hyperthyroidism | + | - | Any age | + | - | +/- |
|
|
|||
Whipple disease | +/- | + | 50th | + | - | + |
|
| |||
Irritable bowel syndrome | + | - | Between 30 and 50 | - | - | + |
|
- |
|
| |
VIPoma | + | - | Between 30 and 50 | + | +/- | +/- |
|
|
|
| |
Gastrinoma (Zollinger-Ellison syndrome) | + | - | Between the ages of 20 and 50 | + | +/- | + |
|
|
| ||
Lactose intolerance | - | + | Any age | + | - | +/- |
|
|
|
| |
Allergic enteropathy/Food protein-induced enterocolitis syndrome (FPIES) | + | - | Infancy | +/- | +/- | + | Stool examination:
|
|
|
| |
Eosinophilic gastroenteritis | + | - | 30th | +/- | +/- | + |
|
|
| ||
Primary bile acid malabsorption | + | +/- | Childhood Adolescents | + | + | +/- | - |
|
|
|
|
Abetalipoproteinemia | - | + | Infancy | + | + | + |
|
|
|
|
|
Microscopic colitis | + | - | 60th | + | - | + |
|
|
|
| |
Congenital chloride diarrhea | + | - | Neonate | + | + | - | - |
|
Mutations in the SLC26A3 gene
|
||
Congenital sodium diarrhea | + | - | Neonate | + | + | - | - | Stool examination: |
|
|
Clinical |
Glucose-galactose malabsorption | + | - | Infancy | + | +/- | + | Stool examination:
|
|
|
References
- ↑ Silverberg MS, Satsangi J, Ahmad T, Arnott ID, Bernstein CN, Brant SR; et al. (2005). "Toward an integrated clinical, molecular and serological classification of inflammatory bowel disease: report of a Working Party of the 2005 Montreal World Congress of Gastroenterology". Can J Gastroenterol. 19 Suppl A: 5A–36A. PMID 16151544.
- ↑ Sauter GH, Moussavian AC, Meyer G, Steitz HO, Parhofer KG, Jüngst D (2002). "Bowel habits and bile acid malabsorption in the months after cholecystectomy". Am J Gastroenterol. 97 (7): 1732–5. doi:10.1111/j.1572-0241.2002.05779.x. PMID 12135027.
- ↑ Maiuri L, Raia V, Potter J, Swallow D, Ho MW, Fiocca R; et al. (1991). "Mosaic pattern of lactase expression by villous enterocytes in human adult-type hypolactasia". Gastroenterology. 100 (2): 359–69. PMID 1702075.
- ↑ RUBIN CE, BRANDBORG LL, PHELPS PC, TAYLOR HC (1960). "Studies of celiac disease. I. The apparent identical and specific nature of the duodenal and proximal jejunal lesion in celiac disease and idiopathic sprue". Gastroenterology. 38: 28–49. PMID 14439871.
- ↑ Hertzler SR, Savaiano DA (1996). "Colonic adaptation to daily lactose feeding in lactose maldigesters reduces lactose intolerance". Am J Clin Nutr. 64 (2): 232–6. PMID 8694025.
- ↑ Briet F, Pochart P, Marteau P, Flourie B, Arrigoni E, Rambaud JC (1997). "Improved clinical tolerance to chronic lactose ingestion in subjects with lactose intolerance: a placebo effect?". Gut. 41 (5): 632–5. PMC 1891556. PMID 9414969.
- ↑ BLACK-SCHAFFER B (1949). "The tinctoral demonstration of a glycoprotein in Whipple's disease". Proc Soc Exp Biol Med. 72 (1): 225–7. PMID 15391722.