Pathognomonicrad

Front 1

target lesion with central calcifications

Back 1

acute histoplasmosis

Front 2

visualization of a tooth

Back 2

mature teratoma

Front 3

bicolored hepatic veins on ultrasound due to intrahepatic collateral pathways

Back 3

budd-chiari

Front 4

comet tail reerberation artifact between cholesterol crystals in Rokitansky-Aschoff sinuses

Back 4

adenomyomatosis of gall bladder

Front 5

triple bubble sign: intraluminal gas in stomach, duodenum and jejunum

Back 5

jejunal atresia

Front 6

barium filled sac within duodenal lumen

Back 6

duodenal diverticulum

Front 7

presence of vitelline artery, an anomalous end branch of the SMA

Back 7

meckels diverticulum

Front 8

passage of gritty flakes, soft tissue stones, white chunks of tissue, leading to colic, fever, and chills

Back 8

leukoplakia

Front 9

tumors surrounding kidney parenchyma without compression or compromizing kidney function

Back 9

lymphoma

Front 10

solid/necrotic extraluminal mass not originating from a retroperitoneal organ with a continuous intravascular component

Back 10

extra and intravascular leiomyosarcoma

Front 11

1-2 m hyperechoic foci >5 scattered throughout the parenchyma of both testes

Back 11

microlithiasis

Front 12

peripheral, curvolinear psammomatous calcifications

Back 12

urachal carcinoma

Front 13

calcified stone within a ureter

Back 13

ureteral obstruction

Front 14

stippled distal radial and ulna epiphysis

Back 14

homocystinuria

Front 15

three pronged trident hand 2,3, and 4th digits of simiar short length without approximating each other

Back 15

heterozygous achondroplasia
rhizomelic dwarfism

Front 16

intravertebral vacuum cleft sign

Back 16

calve-kummel-vernuil disease

Front 17

disappearance of pain after placing a tourniquet on the proximal arm.
Hildreths sign

Back 17

glomus tumor

Front 18

bilateral prepatellar and olecranon bursae

Back 18

gout

Front 19

cortical and marrow continuity with a host bone

Back 19

osteochondroma

Front 20

hyperostotic new bone along the posterior 2/3 of the vertebral end plate

Back 20

spondyloepiphyseal dysplasia tarda

Front 21

involvement of a long segment of nerve and branches extending into the adjacent muscle, fat, and subcateous tissues

Back 21

plexiform neurofibroma
NF1

Front 22

schizencephaly

Back 22

gray matter lining a cleft

Front 23

sac of marbles appearance, coalescence of fat

Back 23

dermoid cyst of the neck

Front 24

fat attenuation within a lesion on HRCT

Back 24

hamartoma

Front 25

pleural calcification in the absence of any other lung history

Back 25

asbestosis

Front 26

calcification of pulmonary arteries

Back 26

pulmonary artery hypertension

Front 27

mesenteric mass on CT with a spoke wheel pattern

Back 27

carcinoid

Front 28

daughter cyst within larger cysts

Back 28

echinococcus/hydatid disease

Front 29

pigmented stones and sludge in intrahepatic bile ducts

Back 29

cholangitis

Front 30

small diverticulae of biliary tree

Back 30

sclerosing cholangitis

Front 31

fallen fragment sign secondary to a pathologic fracture

Back 31

unicameral or simple bone cyst

Front 32

cordoroy appearance: coarse vertical trabecular pattern of a vertebral body

Back 32

intraosseus hamngioma

Front 33

subperiosteal bone resorbtion

Back 33

hyperparathyroidism

Front 34

absent bilateral clavicles

Back 34

Cleidocranial Dysostosis

Front 35

vertebral disc calcifications

Back 35

ochronosis

Front 36

fallen fragment sign

Back 36

solitary bone cyst (20%)