Upper end of humerus Mnemonic: HGL – 1,3,5 a. Head – by 1 year b. Greater tuberosity – by 3 years c. Lesser tuberosity –…
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Tag: Radiology
Mnemonic Approach to Elbow Xray – FOOL
Mnemonic: FOOLa. Fat padsb. Overt findings and outlinesc. Ossification centersd. Lines Fat pads The elbow joint has anterior and posterior fat pads which are extra-synovial…
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Lines and Angles in Orthopedics
Slipped Capital Femoral Epiphysis (SCFE) Southwick’s angle: Epiphyseal-shaft angle on lateral radiograph <30 degrees: mild 30-60 degrees: moderate >60 degrees: severe Klein’s line: Line drawn…
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Ottawa rules for Extremitity Radiographs
Ottawa Ankle and Foot Rules Mnemonic: 44-55-66-PM Patients need an X-ray only if: 4: Unable to do 4 steps immediately AND 4: Unable to do…
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Pulmonary Embolism : Chest X-ray Signs
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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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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