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Table 2 Findings of 15 dogs in ultrasound, ERC (including endoscopy) and ERP

From: Diagnostic value of endoscopic retrograde cholangiopancreatography and therapeutic value of endoscopic sphincterotomy in dogs with suspected hepatobiliary disorders

Case

Liver

Major papilla

Gallbladder

Common bile duct

Extrahepatic duct

Intrahepatic duct

Pancreatic area

US

US

ERC (Endoscopy)

US

ERC

US

ERC

ERC

ERC

US (pancreas)

ERP (ducts)

Dog 1a

Hypo-echoic

Normal

Prominent (open)

Normal

Normal

Normal

Dilated 20 mm and narrowed

Normal

Normal

Hyperechoic

NP

Dog 2a

Hyper-echoic

Prominent

Normal

Distended, debris

No filling

Dilated 10 mm

No filling (Obstruction)

Dilated

Normal

Hyperechoic

Normal

Dog 3a

Hyper-echoic

Normal

Normal

Distended, debris

NR

Dilated 10 mm

Dilated

5 mm (Obstruction)

NR

Dilated

Normal

Normal

Dog 4a

Hyper-echoic

NR

Normal

Normal

Normal

Normal

Normal

Normal

No filling

Normal

Normal

Dog 5a

Hyper-echoic

NR

Normal

Distended, debris

Normal

Normal

Narrowed

Dilated

5 mm

Normal

Hypoechoic

NP

Dog 6a

Hetero-genic

Prominent

Prominent

Distended, debris

NR

Dilated 4.5 mm

Dilated

Dilated

NR

Heterogenous

NP

Dog 7a

Hyper-echoic

NR

Normal

Distended, debris

No filling

Dilated 5.3 mm

No filling

Dilated

10 mm

NR

Hyperechoic

NP

Dog 8a

Hyper-echoic

Prominent

Prominent

Distended, debris

NR

Dilated9 mm

Dilated

10 mm

NR

NR

Normal

NP

Dog 9a

Hypo-echoic

NR

Normal

Normal

Normal

Normal

Normal

Normal

Normal

Hyperechoic

Normal

Dog 10

Normal

NR

Normal

Normal

Normal

Normal

Abnormal course

NR

NR

Normal

NP

Dog 11

Normal

NR

Stenosis

Normal

Normal

Normal

Normal

Normal

NR

Hypoechoic

Normal

Dog 12

Normal

NR

Very small

Distended, mucocele

NR

Normal

Normal

Normal

Normal

Hyperechoic

NP

Dog 13

Normal

NR

Stenosis

Distended, debris

Normal

Dilated 10 mm

Dilated

10 mm

NR

NR

Normal

NP

Dog 14

Normal

Prominent

Normal

Distended, debris

Normal

Normal

Normal

Normal

Decreased filling

Hyperechoic

Normal

Dog 15

Normal

NR

Normal

Normal

Normal

Normal

Normal

NR

NR

Hypoechoic

Abnormal course

  1. US ultrasonography, ERC endoscopic retrograde cholangiography, ERP endoscopic retrograde pancreatography, NR not reported, NP not performed
  2. aicteric