The branch of medicine that deals with the use of radioactive substances in diagnosis and treatment of disease.
 The use of ionizing radiation for medical diagnosis, especially the use of x-rays in medical radiography or fluoroscopy.
 The use of radiation for the scientific examination of material structures; radioscopy

Proximal 5th metatarsal fractures

Illustration shows six types of posterior neural arch defects:
(1) neurocentral synchondrosis,  (2) retrosomatic cleft, (3) spondylolysis, (4) retroisthmic cleft, (5) paraspinous cleft, (6) and spina bifida occulta.
o    Intraspinal gas is pathognomonic for disc herniation

Schüller radiographic view outlines the normally pneumatized mastoid bone
SCHULLER
Lateral view of the petrous temporal region.
Schuller, which highlights: opacificerea cells pneumatic mastoidiene, outbreaks of osteolysis and potential complications (extradural abscess, subdural, cerebral, thrombophlebitis or periflebita sigmoidiana - in the case of computer tomography