Coeliac Disease Flashcards
Pathogenesis of Coeliacs?
General unknown cause Confounding Factors: - environmental: gliadin and gluten - immunological: through IgA, anti gliadin, antiendomysial, anti-ttg - genetic: first degree relatives
All cause villous atrophy/damage
What is Coeliacs?
Gluten sensitive enteropathy
Presentation of Coeliacs? What is hallmark of diagnosis?
Diarrhoea
Vitamin deficiencies
Kids: FTT, gluteal wasting, ABDO distension
KEY IS IMPROVEMENT WITH GLUTEN FREE DIET
Ix?
IgA tissue transglutaminase
Anti-endomysial
Endoscopic biopsy
SI biopsy
What will small intestinal biopsy show?
Increased intraepithelial lymphocytes
Absent/reduced ht of villous = look flat
Increased lymphocytes and plasma cells in lamina propria
How do you diagnose Coeliacs?
Characteristic histology changes on biopsy
Resolution of Sx and histology with gluten free diet
Complications of celiac?
Intestinal ulceration
Increased risk of cancers
- intestinal lymphoma
- GI cancers