ARTR Registry Pathology: Key Imaging and Technique Changes

Edema

General soft tissue swelling; increased density

Tumors

Dense mass; may appear calcified or infiltrative

Atrophy

Tissue or bone shrinkage; decreased density

Atelectasis

Lung collapse; white opacity due to volume loss

Emphysema

Hyperinflated lungs, flattened diaphragm, radio...

Pneumothorax

Black air space without lung markings; visible ...

Cardiomegaly

Enlarged heart shadow > 50% thoracic width

Congestive Heart Failure

Pulmonary congestion, enlarged heart

Pleural Effusion

White area; costophrenic angle blunting

Pneumonia

Segmental/lobar white consolidation

Tuberculosis

Cavitations, fibrotic scarring, upper lobe opac...

Ascites

Ground-glass appearance; bowel loops displaced

Bowel Obstruction

Air-fluid levels; distended bowel loops

Hydrocephalus

Enlarged ventricles; bulging skull in infants

Degenerative Arthritis

Joint space narrowing, bone spurs

Pagets Disease

Cotton-wool appearance; thickened skull

Gout

"Rat-bite" lesions, soft tissue swelling

Osteopetrosis

Marble bone; very dense and chalky

Multiple Myeloma

"Punched-out" lytic lesions

Osteoporosis

Decreased bone mass; radiolucent bones