ÃÙ» a09  Lesser sac abscess ¨Ò¡  blunt abdominal trauma (´Í¡¨Ñ¹)

ÃÙ» a10 Right subphrenic abscess (ÅÙ¡ÈÃ) áÅÐ subhepatic abscess (ËÑÇÅÙ¡ÈÃ)

2) Pneumatosis cystoides intestinalis
          ¤×Í¡Ò÷ÕèÁÕ air à¢éÒä»ÍÂÙèã¹ ¼¹Ñ§¢Í§ÅÓäÊé à»ç¹ÅѡɳÐàÊé¹æ ËÃ×ͤÅéÒ¿ͧÍÒ¡ÒÈ (´Ñ§ÃÙ» a11) 
à¡Ô´ä´é¨Ò¡ËÅÒÂÊÒà赯 «Öè§ÍÒ¨¨Ð benign áÅÐËÒÂàͧ¡çä´é áµèµéͧ¤Ó¹Ö§¶Ö§ Mesenteric ischemia áÅÐ gangrenous bowel 

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Pneumatosis cystoides intestinalis

3) Gas 㹶ا¹éÓ´Õ áÅзè͹éÓ´Õ
          Gas ã¹¼¹Ñ§¢Í§¶Ø§¹éÓ´Õà¡Ô´¨Ò¡ emphysematous cholecystitis «Öè§à»ç¹¡ÒõԴàª×éÍÍÑ¡àʺ 
¢Í§¶Ø§¹éÓ´Õ â´Â gas-forming bacteria áÅÐÍÒ¨ÁÕ gangrene ¢Í§¶Ø§¹éÓ´Õ (´Ñ§ÃÙ» a12) 

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Emphysematous cholecystitis

          Pneumobilia ¤×Í ¡Ò÷ÕèÁÕ air ã¹·è͹éÓ´Õ (´Ñ§ÃÙ» a13) ÁÑ¡¨ÐÍÂÙèã¹·èÍËÅÑ¡áÅÐäÁèÂ×è¹ä»¶Ö§ºÃÔàdz 
¢Íº¢Í§µÑº â´ÂÁÒ¡¨Ðà¡Ô´¨Ò¡ biliary enteric anastomosis (¨Ò¡¡ÒüèҵѴ ËÃ×Í papillotomy), perforating ulcer ËÃ×Í gallstone erosion à¢éÒä»ã¹ GI tract, gas-forming infection 

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Pneumobilia (ËÑÇÅÙ¡ÈÃ) 㹤¹ä¢é·ÕèÁÕ choledochoduodenostomy áÅÐ pancreatic abcess (ÅÙ¡ÈÃ)

4) Gas ã¹ portal vein
          ã¹¼ÙéãË­è, ¶éÒÁÕ gas ã¹ portal vein ¤¹ä¢éÁÒ¡¡ÇèÒ 70% ¨ÐÁÕ  necrotic bowel ÅѡɳзҧÀÒ¾ÃѧÊÕ ¨ÐàËç¹à»ç¹àÊé¹´ÓàÅç¡ æ ·Õèᵡᢹ§à¢éÒ件֧ºÃÔàdz¢Í§µÑº (´Ñ§ÃÙ» a14) 

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Gas ã¹ portal vein