# List of radiologic signs

Radiologic signs are the signs used for diagnosing physiological and pathological conditions in radiologic images. This list includes the names of radiologic signs in alphabetical order.

## A

* Abdominal cocoon sign
* Absent bowtie sign
* Acorn cyst sign
* Air bronchogram
* Air crescent sign
* Angel wing appearance
* Anteater nose sign
* Aortic nipple sign
* Aortic unfolding
* Apple core sign

## B

* Bamboo sign
* Banana sign
* Bat wing appearance
* Bear paw sign
* Beveled edge sign
* Bird of prey sign
* Bite sign
* Black pleura sign
* Blade of grass sign (also known as Flame sign)
* Blumensaat's line
* Bohler's angle
* Bone-within-a-bone appearance
* Boomerang sign
* Bow tie appearance
* Bowl of grapes sign
* Bowler hat sign
* Brim sign
* Bucket handle tear
* Bulging fissure sign
* Bunches of grapes sign (hepatic abscess)
* Bunch of grapes sign (botryoid rhabdomyosarcoma)
* Bunch of grapes sign (bronchiectasis)
* Bunch of grapes sign (hydatidiform mole)
* Bunch of grapes sign (intracranial tuberculoma)
* Bunch of grapes sign (intraosseous haemangiomas)
* Bunch of grapes sign (IPMN)
* Bunch of grapes sign (multicystic dysplastic kidney)
* Butterfly vertebra

## C

* C sign
* Canga's bead sign
* Cannonball sign
* Cardiothoracic ratio
* Carman meniscus sign
* Celery stalking
* Cervicothoracic sign
* Chang sign
* Cheerio sign
* Cobb angle
* Cobblestone appearance
* Cobra head sign
* Cockade sign
* Codfish vertebra
* Codman's triangle
* Coffee bean sign
* Coin lesion
* Collar button ulcer
* Colon cut-off sign
* Comb sign
* Comet sign
* Comet tail sign (CT thorax)
* Coned epiphyses
* Continuous diaphragm sign
* Cupola sign
* Cord sign
* Corduroy sign
* Corkscrew oesophagus
* Corkscrew sign
* Cortical ring sign
* Cottage loaf sign
* Cotton wool appearance
* Crazy paving sign
* Crescent sign
* Crowded carpal sign
* Cupola sign
* Cœur en sabot

## D

* Dagger sign
* Deep lateral femoral notch sign
* Deep sulcus sign
* Dense artery sign
* Dense hilum sign
* Dense MCA sign
* Dense metaphyseal bands
* Dense triangle sign
* Double bronchial wall sign
* Double bubble sign
* Double decidual sign
* Double density sign
* Double duct sign
* Double posterior cruciate ligament sign
* Double track sign
* Doughnut sign
* Draping aorta sign
* Dripping candle wax sign
* Drooping lily sign
* Drooping shoulder sign

## E

* Egg on a string sign
* Eggshell calcification (lymph node)
* Eggshell calcification (breast)
* Elephant on a flagpole sign
* Empty sella sign
* Empty vertebral body sign
* Erlenmeyer flask deformity
* Eye of the tiger sign

## F

* Fabella sign
* Faceless kidney
* Fairbank's changes
* Falciform ligament sign
* Fallen fragment sign
* Fat pad sign
* Figure 3 sign
* Fishhook ureter
* Flat waist sign
* Floating teeth
* Football sign
* Fragment in notch sign
* Pear shaped breast

## G

* Garland's triad
* Ghost vertebrae
* Gilula's lines
* Gloved finger sign
* Goblet sign (ureter)
* Golden's S sign
* Golf ball on a tree sign
* Gooseneck sign
* Ground-glass opacity
* Growth arrest lines
* Gullwing appearance

## H

* H-shaped vertebrae
* Haglund's deformity
* Hair-on-end appearance
* Half moon sign
* Halo sign
* Hamburger bun sign
* Hampton's hump
* Hampton's line
* Harris lines
* Hatchet head
* Head cheese sign
* Hidebound appearance
* High-attenuation crescent sign
* Hilgenreiner's line
* Hill Sach's deformity
* Hilum convergence sign
* Hilum overlay sign
* Holly Leaf sign
* Honda sign
* Honeycombing
* Hot nose sign
* Hot quadrate sign
* Hotcross bun sign
* Hurricane sign

## I

* Incomplete fissure sign
* Incomplete rim sign
* Inside out sign
* Insular ribbon sign
* Ivory phalanx sign
* Ivory vertebra

## J

* J shaped sella
* Jackstone calculus
* Jail bar sign
* Juxtaphrenic peak sign

## K

* Kerley lines
* Keyhole sign (breast)
* Keyhole sign
* Kidney bean sign
* Klein's line
* Klemm's sign
* Knuckle sign

## L

* Laminated periosteal reaction
* Lateral capsular sign
* Lateral femoral notch sign
* Lead Pipe fracture
* Leadpipe colon
* Lemon sign
* Leontiasis Ossea
* Licked candy stick appearance
* Light bulb sign
* Linguine sign
* Loosers zone
* Luftsichel sign

## M

* MacEwan sign
* Maiden waist deformity
* Mass effect
* Mathe's sign
* Mediastinal shift
* Mercedes Benz sign
* Mickey Mouse ears
* Mickey Mouse pelvis
* Midline shift
* Misty mesentery sign
* Modic changes
* Molar tooth sign
* Moulage sign
* Mumoli's sign

## N

* Naked facet sign
* Napoleon hat sign
* Nubbin sign
* Nutcracker fracture

## O

* Oil droplet appearance
* Omental cake
* Onion skin periosteal reaction
* Osteopathia striata
* Osteoporosis circumscripta

## P

* Pad sign
* Palla's sign
* Pancake kidney
* Pancake vertebra
* Panda sign
* Pauwel's angle
* Pawnbroker's sign
* Pearshaped bladder
* Pedicle sign
* Pencil Pointing
* Pencil-in-cup sign
* Peribronchial cuffing
* Pericardial fat pad sign
* Perkin's line
* Phantom calyx sign
* Picket fence appearance
* Picture frame sign
* Pie-in-the-sky sign
* Piece of Pie sign
* Playboy sign
* Pneumatosis intestinalis
* Pneumoarthrogram sign
* Polka dot sign
* Popcorn appearance
* Popcorn calcification
* Pseudo Rigler's sign
* Pseudofracture
* Puckered panniculus sign
* Pulmonary consolidation
* Putty kidney
* Pyloric tit sign

## R

* Rachitic rosary
* Rarefying osteitis
* Rat bite sign
* Rat tail sign
* Reverse 3 sign
* Reverse hamburger bun sign
* Reverse pulmonary edema
* Reversed halo sign
* Rib notching
* Ribbon ribs
* Rice grain calcification
* Rigler's sign
* Ring around artery sign
* Ring enhancing lesion
* Ring sign
* Rod-like calcifications
* Rolled edge sign
* Romanus lesion
* Rugger jersey spine

## S

* Saber sheath trachea
* Saber shin deformity
* Sail sign
* Salt and pepper skull
* Sandwich vertebra
* Sausage digit
* Scalloped vertebra
* Scimitar sign
* Scottie dog sign
* Segond fracture
* Sentinel loop
* Shaggy oesophagus
* Shenton's Line
* Shepherd's crook deformity
* Shmoo sign
* Signet ring sign
* Silhouette sign
* Silver fork deformity
* Sister Mary Joseph sign
* Small bowel faeces sign
* Snowcapping appearance
* Snowman sign
* Snowstorm appearance (lung)
* Snowstorm appearance
* Snowstorm pattern (breast)
* Soap bubbly appearance
* Soft tissue rim sign
* Sonographic Murphy sign
* Southwick angle
* Spaghetti sign
* Spalding's sign
* Spilled teacup sign
* Spine sign
* Spinnaker sail sign
* Split pleura sign
* Spoke wheel appearance
* Spotted nephrogram
* Stack of coins appearance
* Steeple sign
* Stepladder appearance
* Stepladder sign
* Stocking glove sign
* String of beads sign (GI)
* String of beads sign
* String of pearls sign
* String sign
* Stripe sign
* Sunburst periosteal reaction
* Superior triangle sign
* Swan neck deformity
* Swiss cheese appearance (cardiac)

## T

* Talar beak
* Target calcification
* Target sign (Gastrointestinal system)
* Target sign (Ultrasound)
* Teacup calcification (breast)
* Teardrop sign
* Terry Thomas Sign
* Threads and streaks sign
* Three sign (cardiac)
* Thumb sign
* Thumbprint sign
* Thurstan Holland sign
* Thymic sail sign
* Tooth sign
* Tram track sign
* Tree in bud sign
* Trethowan's sign
* Trolley track sign
* Trough sign
* Tubular artery sign
* Tulip bulb sign
* Tumbling bullet sign

## U

* Upside down stomach sign

## V

* Vacuum disk sign
* Vacuum joint
* Vanishing tumor

## W

* Water bottle heart
* Water lily sign
* Westermark sign
* Whirlpool sign
* White cerebellum sign
* Wilkinson's syndrome
* Wimberger's ring sign
* Wimberger's sign

## Y

* Y Sign
* Yinyang sign