1. Classic presentation is normal X-ray in patient with dyspnea and hypoxia 2. Atelectasis or parenchymal abnormality (68%) 3. Elevated hemidiaphragm 4. Pleural effusion (Felson’s…
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Radiology
Rib Notching
Normal Rib Notching A small notch near the costo-vertebral joint is normal, so pathologic rib notching is more likely if the notching is more lateral.…
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Silhouette and Cervico-thoracic sign
Synonyms: Obscured margin sign, Loss of outline sign Silhouette refers to the shadow and derived it’s origin from shadow papercuts done by Etienne de Silhouette.…
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Ball-on-Tee, Lobster Claw and Signet Ring Sign – Renal papillary necrosis
Synonym: Necrotizing papillitis In renal papillary necrosis, part or all of necrotic renal papilla sloughs and may fall into the pelvicalyceal system, which may remain…
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Liver Segments Explained with Mnemonic
Couniaud divided liver into 8 functional segments, each of which is supplied by it’s own portal triad (composed of a portal vein, hepatic artery and…
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Omental Cake
Definition of Omental Caking Thickening of the omentum resulting from localized or diffuse infiltration of omental fat by soft tissue density mass is referred as…
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Chest Xray – Approach to hilum
Hilum in human anatomy refers to the depression where structures such as blood vessels and nerves enter an organ. The structures contributing to hilar shadows…
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Chest X-ray – Pleural Effusion
Pleura is a mesothelial lined sac that envelopes the lungs and comprises of 2 membranous walls i.e. visceral pleura and parietal pleura that encloses pleural…
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