Nodes

Normal gastric air bubble under the left hemidiaphragm on an erect chest radiograph.

Radionuclide ventriculography where scintigraphic data is acquired during repeated cardiac cycles at specific times in the cycle, using an electrocar…

bone-in-a-bone seen in spine with Thorotrast injection in childhood

Glenohumeral joint.

finger-like projections from hilum from bronchial mucoid impaction in allergic bronchopulmonary aspergillosis or asthma

dilated, cup-shape of the ureter distal to an intraluminal filling defect such as tumor, seen best on retrograde studies

S shape caused by edge of elevated minor fissure and hilar mass in RUL atelectasis

large cavity seen on CT urogram or IVP formed by sloughed necrotic papillae in renal papillary necrosis

in left ventricular angiography, the shape of the LV and aorta in an endocardial cushion defect

Greater supraclavicular fossa region.

DIP joints showing central erosions and marginal osteophytes in erosive osteoarthritis

prominence of posterior, superior calcaneal tuberosity mostly in females from pressure by shoes

on-End-spiculated appearance of elongated trabeculae in widened diploic space seen in hemolytic anemias, esp thalassemia

superimposed densities of glenoid and humeral head in a normal shoulder; disappears in posterior dislocation

normal appearance of facet joints on CT of cervical spine resembling two halves of hamburger bun

wedge-shaped density at periphery of lung described as a sign of pulmonary infarction

thin line seen in profile at neck of gastric ulcer representing the thin rim of undermined gastric mucosa in a benign ulcer

the appearance of the humeral head as result of severe erosions from rheumatoid arthritis

combination of ground-glass opacity and mosaic perfusion on chest CT seen in hypersensitivity pneumonitis, DIP, sarcoid

Cardiac silhouette/heart border contour on CXR.

enlarged soft tissue of heel pad (greater than 23mm) that might indicate presence of acromegaly