analysis of abdominal x-ray gas.
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Transcript of analysis of abdominal x-ray gas.
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Radiological approach to plain X-ray abdomen
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ASCITIS
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Feeding tube
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• Air :1. Free intraperitoneal air.2. Retroperitoneal air.3. Extraluminal gas
collections.4. Air inside liver.5. Air within bowel wall.
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Erect film
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Supine film ..Riggler sign
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Air under diaphragm- Chilaiditti Syn.
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Fundic air bubble
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Lesser sac abscess –Acute Pancreatitis
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Subphrenic Abscess
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Subphrenic abscess
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Retroperitoneal air
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Pneumobilia-Gall Stone Ileus
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Pneumobilia
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Portal gas
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Emphysematous cholecystitis
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Emphysematous cholecystitis
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Pneumatosis
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Small Intestinal obstruction
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Large bowel obstruction
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Small bowel Large bowel
Haustra Absent Present
Valvulae conniventes Present in jejunum Absent
Number of loops Many Few
Distribution of loops Central Peripheral
Radius of curvature of loop Small Large
Diameter of loop 30–50 mm 50 mm+
Solid faeces Absent May be present
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Types of colonic obstruction:(A) Large bowel distension only, owing to a competent ileocaecal valve. Caecum at risk of perforation. (B) Large bowel distension and small bowel
distension—a competent ileocaecal valve leads to caecal distension but also acts as a mechanical obstruction to the small bowel. Caecum at risk of perforation. (C) Incompetent
distension, small and large bowel dilatation.
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Where is the cause ?
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What is the cause ?
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Sigmoid volvulus
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Cecal volvulus
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Bowel wall thickening
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Segmental narrowing .Ischaemic colitis
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Milk of Calcium
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Porcelain Gall Bladder
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Gall stones
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Different types of gall stones
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Gall Stones and chronic Pancreatitis
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Pancreatic calcifications
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Splenic artery calcifications
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Appendicolith
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Abdominal aortic aneurysm
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Calcified vas
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Prostatic calcifications
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Calcified fibrois
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Bladder calcifications.
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Phlebolith
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Mass-mesenteric cyst
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Lymphomatous masses
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