Weapon and munition inspired signs

Weapon and munition inspired signs include the following with their corresponding pathologic conditions:

• arrowhead sign

  • appendicitis

• bayonet artifact

• bayonet deformity

  • Turner syndrome

  • chondrodysplasia

• bullet-shaped vertebra

  • mucopolysaccharidosis

  • achondroplasia

• cannonball metastases

  • metastases from renal cell carcinoma

• dagger sign

  • ankylosing spondylitis

• double-barrel sign

  • intrahepatic biliary duct dilatation

• panzerherz sign

  • constrictive pericarditis

• pistol-grip deformity

  • cam-type of femoroacetabular impingement

• saber-sheath trachea

  • chronic obstructive pulmonary disease

• scimitar syndrome

  • partial anomalous pulmonary venous return

• target sign

  • inflammatory lesions of bowel

  • intussusception

  • liver metastases

• reverse target sign

  • cirrhotic liver nodules

• trident acetabulum

  • asphyxiating thoracic dysplasia (Jeune syndrome)

• trident hand

  •  chondrodysplasias including achondroplasia

• trident sign

  • osmotic demyelination syndrome