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Symptoms and Signs – Differential Diagnosis of Small Bowel Obstruction
INTRINSIC
• Congenital (atresia, stenosis)
• Inflammatory (Crohn’s disease, irradiation enteritis)
• Neoplasms (metastatic or primary)
• Intussusception
• Traumatic (hematoma)
EXTRINSIC
• Hernias (internal and external)
• Adhesions
• Volvulus
• Compressing masses (tumors, abscesses, hematomas)
INTRALUMINAL
• Foreign body
• Gallstones
• Bezoars
• Barium
• Ascaris infestation
INTRINSIC
• Congenital (atresia, stenosis)
• Inflammatory (Crohn’s disease, irradiation enteritis)
• Neoplasms (metastatic or primary)
• Intussusception
• Traumatic (hematoma)
EXTRINSIC
• Hernias (internal and external)
• Adhesions
• Volvulus
• Compressing masses (tumors, abscesses, hematomas)
INTRALUMINAL
• Foreign body
• Gallstones
• Bezoars
• Barium
• Ascaris infestation
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