Walking man sign (chest x-ray)
The walking man sign is seen on a lateral chest radiograph and is a sign of left atrial enlargement. It results from posterior displacement of the left main bronchus such that it no longer overlaps the right bronchus. The left and right bronchus thus appear as an inverted 'V', mimicking the legs of a walking man.
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Inspired signs
-
inanimate object inspired
- astronomical
- 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)
- ivory vertebra sign
- 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
- boomerang sign (disambiguation)
- 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 appearance
- Viking helmet sign
- white pyramid sign
- wine bottle sign
-
vegetable and plant inspired
- aubergine sign
- celery stalk appearance
- chocolate cyst
- coconut left atrium
- coffee bean sign
- cottage loaf sign
- cotton wool appearance
- doughnut sign (disambiguation)
- drooping lily sign
- ginkgo leaf sign (disambiguation)
- holly leaf sign
- ivy sign
- linguine sign
- macaroni sign
- miliary opacities
- onion skin periosteal reaction
- pine cone bladder
- popcorn calcification
- potato nodes
- 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
- mammals
- anteater nose sign
- antler sign
- bat wing opacities
- bear paw sign
- beaver tail liver
- buffalo chest
- bull's eye sign (disambiguation)
- claw sign
- dog ear sign
- dog leg sign
- eye of tiger sign
- feline esophagus
- giraffe pattern
- hide-bound sign
- leopard skin sign
- moose head appearance
- panda sign
- pleural mouse
- raccoon eyes sign
- rat bite erosions
- rat-tail sign
- Scottie dog sign
- stag's antler sign
- staghorn calculus
- tiger stripe sign
- winking owl sign
- insects
- reptiles
- micro-organisms
- mythical creatures
- animal derived 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
Chest
- imaging techniques
-
chest x-ray
-
approach
- adult
- frontal projection
- lateral projection
- lateral decubitus
- congenital heart disease
- medical devices in the thorax
- common lines and tubes
- prosthetic heart valve
- review areas
- pediatric
- neonatal
- adult
- chest x-ray in the exam setting
- cardiomediastinal contour
- chest radiograph zones
- tracheal air column
- fissures
- normal chest x-ray appearance of the diaphragm
- nipple shadow
-
lines and stripes
- anterior junction line
- posterior junction line
- right paratracheal stripe
- left paratracheal stripe
- posterior tracheal stripe/tracheo-esophageal stripe
- posterior wall of bronchus intermedius
- right paraspinal line
- left paraspinal line
- aortic-pulmonary stripe
- aortopulmonary window
- azygo-esophageal recess
- spaces
- signs
- air bronchogram
- big rib sign
- Chang sign
- coin lesion
- continuous diaphragm sign
- dense hilum sign
- double contour sign
- extrapleural sign
- finger in glove sign
- flat waist sign
- Fleischner sign
- ginkgo leaf sign
- Golden S sign
- Hampton hump
- haystack sign
- hilum convergence sign
- hilum overlay sign
- Hoffman-Rigler sign
- holly leaf sign
- incomplete border sign
- juxtaphrenic peak sign
- Kirklin sign
- medial stripe sign
- melting ice cube sign
- more black sign
- Naclerio V sign
- Palla sign
- pericardial fat tag sign
- Shmoo sign
- silhouette sign
- spinnaker sign
- steeple sign
- straight left heart border sign
- third mogul sign
- tram-track sign
- walking man sign
- water bottle sign
- wave sign
- Westermark sign
-
approach
- HRCT
-
chest x-ray
- interstitial lung disease (ILD)
- drug-induced interstitial lung disease
- hypersensitivity pneumonitis
-
idiopathic interstitial pneumonia (mnemonic)
- acute interstitial pneumonia (AIP)
- cryptogenic organizing pneumonia (COP)
- desquamative interstitial pneumonia (DIP)
- idiopathic non-specific interstitial pneumonia (NSIP)
- idiopathic pleuroparenchymal fibroelastosis
- lymphoid interstitial pneumonia (LIP)
- respiratory bronchiolitis–associated interstitial lung disease (RB-ILD)
- usual interstitial pneumonia / idiopathic pulmonary fibrosis (UIP/IPF)
- pneumoconioses
-
lung cancer
-
non-small-cell lung cancer
-
adenocarcinoma
- pre-invasive tumors
- minimally invasive tumors
- invasive tumors
- variants of invasive carcinoma
- adenosquamous carcinoma
- large cell carcinoma
- primary sarcomatoid carcinoma of the lung
- squamous cell carcinoma
- salivary gland-type tumors
-
adenocarcinoma
- pulmonary neuroendocrine tumors
- preinvasive lesions
- benign neoplasms
- pulmonary metastases
- lung cancer screening
- lung cancer staging
-
non-small-cell lung cancer
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