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14 Cards in this Set
- Front
- Back
Example of barium Follow through
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Example of small bowel enema
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What is malabsorption?
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Abnormal absorption of fat, water, protein, carbohydrates from small bowel
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Radiographic features of malabsorption:
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•Dilatation of bowl loops
•Diluted barium (mixes with watery bowel content) •Flocculated barium : barium aggregates into particles (mainly seen with older barium suspensions, rarely occurs with new agents) •Slow transit •Segmentation of barium (lack of continuous column) •Moulage pattern: featureless barium collection •Hidebound pattern: valvulae thinner, closer together, wrinkled looking |
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What is Coeliac Sprue?
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Its is a disease hat affects the mucosa of the small bowel and the submucosa, muscularis and serosa are usually intact.
it is hereditary with genetic transmission of an inborn error or metabolism |
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What are common symptoms of coeliac sprue?
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diarrhoea, flatulence, weight loss and weakness
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Radiographic features of coeliac sprue:
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•dilatation of small bowel is the most typical finding
•Segmentation •Moulage sign: rare •Transient intussusceptions (coiled spring) are typical •Decreased fold pattern of jejunum •Prominent ileal fold pattern (ileum appears like jejunum) •Increased secretions: flocculation with older barium suspensions •Increased incidence of malignancy, aggressive lymphoma, carcinoma |
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Characteristic image of malabsorption
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Fissure ulcer - a characteristic of Chrohn's disease
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Radiographic features: types of lesions
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– Thickening of folds
– Nodular pattern – String sign: tubular narrowing of intestinal lumen |
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Radiographic features: ulceration
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– Aphthoid ulcers are early lesions & correspond to mucosal erosions
– Ulcers are irregularly scattered through out GI tract & are interspersed with normal mucosa – Ulcerations grow and fuse with each other in linear fashion and with intervening oedematous mucosa |
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Radiographic features: Crohn’s disease at advanced stages
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Fatty thickening and/or retraction of the mesentery, mass effect may separate bowel loops or make loops display a concentric shape
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Radiographic features: Fibrosis and scarring may result in
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– Pseudodiverticula
– Rigid, featureless bowel – Stricutres and obstruction – Foreshortening of bowel |
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Complications of Chrohn's Disease (RIFTA)
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-Recurrence (after surgery)
-incresed incidence of malignancies (lymphoma, GIT tumours) -toxic megacolon -fistulas abscess formation |