"parallel channel" sign
The criteria for the diagnosis of minimal obstructive jaundice (i.e.,
bilirubin less than 11.0 mg/100 ml) using sonography have not been
established. A reliable diagnosis of obstructive jaundice with mild
dilation of the bile ducts can be made by sonography when the "parallel
channel" sign is seen. This sign is due to the simultaneous imaging of
the dilated right or left main hepatic duct and the adjacent contiguous
main portal vein branch. see more below
Inspired signs
-
inanimate object inspired
- champagne glass pelvis
- Coca-Cola bottle sign
- coin lesion
- corduroy sign
- dinner fork deformity
- fishhook ureters
- goblet sign
- hockey stick sign (Creutzfeldt-Jakob disease)
- hockey stick sign (thyroid hemiagenesis)
- leather bottle stomach
- Lincoln log vertebra
- napkin ring sign
- open book fracture
- polka-dot sign
- rugger-jersey spine
- sack of marbles sign
- scalpel sign
- spilled teacup sign
- string of pearls sign
- tam o' shanter sign
- telephone receiver deformity
- tombstone iliac wings
- water bottle sign
-
weapon and munition inspired signs
- bayonet deformity
- bullet-shaped vertebra
- cannonball metastases
- dagger sign
- double barrel sign
- panzerherz
- pistol grip deformity
- saber-sheath trachea
- scimitar syndrome
-
target sign (disambiguation)
- double target sign (hepatic abscess)
- eccentric target sign (cerebral toxoplasmosis)
- reverse target sign (cirrhotic nodules)
- target sign (choledocholithiasis)
- target sign (hepatic metastases)
- target sign (intussusception)
- target sign (neurofibromas)
- target sign (pyloric stenosis)
- target sign (tuberculosis)
- trident
- white pyramid sign
- wine bottle sign
-
vegetable and plant inspired
- aubergine sign
- celery stalk anterior cruciate ligament
- celery stalk metaphysis
- chocolate cyst
- coconut left atrium
- coffee bean sign
- cottage loaf sign
- cotton wool appearance
- doughnut sign (bone)
- doughnut sign (bowel)
- drooping lily sign
- ivy sign
- linguine sign
- macaroni sign
- miliary opacities
- omental cake
- onion skin periosteal reaction
- pine cone bladder
- popcorn calcification
- rice bodies
- rice grain calcification
- salt and pepper skull
- tree-in-bud
- waterlily sign
- fruit inspired
-
animal and animal produce inspired
- human
- fish and seafood
- birds
- domesticated and wild animals
- anteater nose sign
- bat wing opacities
- bear paw sign
- buffalo chest
- bull's eye sign (disambiguation)
- claw sign
- eye of tiger sign
- feline esophagus
- hide-bound sign
- panda sign (midbrain)
- panda sign (sarcoidosis)
- pleural mouse
- raccoon eyes sign
- Scotty dog sign
- stag's antler sign
- staghorn calculus
- rat bite erosions
- rat-tail sign
- winking owl sign
- insects
- reptiles
- mythical creatures
- food inspired
- double oreo cookie (glenoid labrum)
- hamburger sign (spine)
- head cheese sign (lungs)
- honeycombing (lungs)
- licked candy stick appearance (bones)
- linguine sign (breast implants)
- omental cake
- Oreo cookie (heart)
- pancake adrenal
- pancake brain
- pancake vertebra
- Polo Mint sign
- salad oil sign (breast implants)
- sandwich sign (CNS)
- sandwich sign (mesentery)
- sandwich vertebra
- sausage digit
- spaghetti sign
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