ABSTRACT

This book illustrates 100 classic radiologic signs with radiograms alongside illustrative photographs for memory aids and clarification. Accompanying text explains the history and meaning of the descriptive name. The entry for "dromedary hump," for example, shows a typical x-ray of this condition with a photograph of a dromedary camel that clearly shows how the name fits the sign. Dr. Mulligan says, "In honor of the 100th anniversary of Roentgen's discovery, this book illustrates and elaborates on the history of 100 of the more classic radiologic signs. If we are to use these terms with full understanding, we must have the ability to visualize the object depicted by the term, imagine its radiographic appearance, and transfer that picture to the radiographic image before us. This book is intended to help practitioners and students of our art accomplish that task."

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Apple Core (Napkin Ring) Lesion

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Asterisk Sign

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Bamboo Spine

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Beak (Claw) Sign

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Beaten Silver (Beaten Brass) Pattern

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Blade of Grass

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Boot-Shaped Heart (Coeur En Sabot)

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Bowler Hat Sign

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Bullet Shaped (Bullet-Nose) Vertebrae

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Butterfly and Bat’s Wing Shadow

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Button Sequestrum

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Camalote (Waterlily) Sign

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Carpenter’s Level Sign

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Celery-Stick (Celery Stalk) Metaphysis

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Cloverleaf Skull

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Cobblestone Pattern

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Cobra Head (Snake Head) Ureter

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Codfish (Fish) Vertebra

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Codman Triangle (Codman Angle)

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Coffee Bean Sign

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Coin Lesion

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Cookie Bite (Cookie Cutter) Lesions

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Corduroy Cloth Vertebra

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Cotton Wool Sign

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Crescent Sign

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Cupid’s Bow Vertebra

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Delta (Empty Triangle) Sign

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Doughnut Sign

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Dripping Candlewax Sign

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Dromedary Kidney

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Egg Shaped (Egg-on-a-String) Heart

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Egg-Shell Calcifications

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Erlenmeyer Flask Deformity

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Football Sign

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Greenstick Fracture

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Ground Glass Pattern

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Gull Wings and Mouse Ears

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Hair-On-End Pattern

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Hitch-Hiker’s Thumb

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Honda (‘H’) Sign

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Honeycomb Lung

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Horseshoe Kidney

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Iceberg (Tip of the Iceberg) Sign

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Ivory Vertebra

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Lead (Gas) Pipe Sign

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Lemon and Banana Signs

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Leontiasis Ossea

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Lincoln Log (H-Shaped) Vertebra

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Mallet (Baseball) Finger

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Marble Bone

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Mercedes-Benz (Mercedes Star) Sign

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Mickey Mouse Sign

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Miliary Pattern

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Mogul Shadow

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Moth-Eaten Pattern

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Napoleon Hat (Bow) Sign

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Onion Skin Sign

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Parchment Heart

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Phrygian Cap Gallbladder

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Picket-Fence and Stack of Coins Signs

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Picture Frame Sign

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Pine Tree (Christmas Tree) Bladder

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Playboy Bunny Sign

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Porcelain Gallbladder

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Pruned Tree and Leafless Tree Signs

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Ribbon (Twisted-Ribbon) Ribs

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Rugger-Jersey Spine

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‘S’ (Golden’s) Sign

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Saber-Sheath Trachea

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Sabre Shin

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Sail and Spinnaker Sail Signs

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Sausage (Cocktail Sausage) Digit

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Scimitar Sign

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Scottie Dog Sign

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Shepherd’s Crook

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Shmoo Shaped Heart

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Shotgun (Parallel Channel) Sign

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Silhouette Sign

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Silver Fork Deformity

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Snowman (Figure-8) Sign

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Spinning Top (Arrowhead) Urethra

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Staghorn Calculi

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String Sign

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Sunburst Pattern

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Tear-Drop (Pear-Shaped) Bladder

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Telephone Receiver Femur

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Terry-Thomas and Signet Ring Signs

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Thumbprinting Sign

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Tram-Line (Railroad Track) Sign

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Turret Exostosis

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Waterfall Hilum

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Wine Goblet (Wine Glass) Sign