Module 3 (Muskuloskelatal) Flashcards
Champagne glass pelvis is seen in?
Achondroplasia
Bullet nose vertebra is seen in?
Achondroplasia
Chevron sign (v-shaped distal pelvis) is seen in?
Achondroplasia
Mickey Mouse ear pelvis or tombstone acetabulum is seen in?
Achondroplasia
Trident hand seen in?
Achondroplasia
Frankel’s line
Scurvy
Widened joint spaces seen in?
Rickets
What is doughnut sign? Where is it seen?
Accumulation of radiotracer at periphery of lesion where there is reactionary bone formation occurring.it is seen in a) GCT B) bone cyst c) chondrosarcoma d) telangiactic osteosarcoma
SCIWORA
Spinal cord injury without radiological abnormalities
Where is xray of light bulb sign seen?
Posterior dislocation of shoulder joint
Rim sign xray of shoulder seen in?
Widened glenohumeral joint space (x>mm). Posterior dislocation of shoulder
Where is vacant glenoid sign seen?
Posterior dislocation of should joint. Empty glenoid fossa seen
Where is trough sign seen?
Posterior dislocation of shoulder joint - they are vertical lines on anteromedial head.
What is luxatio erecta?
Inferior dislocation of shoulder. (Can de due to fall from treadmill while holding the railings)
Pointing index sign is seen in?
Median nerve damage
Where do you see toothgap sign or Terry Thomas sign?
Scaphalunate dislocation
Name the bones of wrist
Trapezoid, trapezium, capitate, hamate, triquetrum, pisiform, lunate, scaphoid
What is Erlenmeyer flask deformity?
Expansion of distal femur and loss of concavity
What is Gaucher’s disease?
Build up of fat in liver, spleen, bone, tissue
What is Hunter’s disease?
Failure to break down sugar molecules and hence its accumulation
What can you see in Ewing’s sarcoma?
Onion peel appearance
What can you see in osteosarcoma?
Codman’s triangle. (Triangular protrusion from the bone surface)
What can you see in giant cell tumor
Soap bubble appearance
Physical findings in hurler’s syndrome?
J shaped sella, thickened calvaria, hook shaped vertebra
Where do you see fallen fragment sign?
Unicarneal bone cyst
Where do you see double posterior cruciate ligament sign?
Medial meniscus tear
Where do you see empty thecal sign?
In vertebrae, arachnoiditis (clumping of nerve roots)
Where do you see pepper pot appearance of skull?
Hyper parathyroidism
Where do you see cotton wool appearance of skull?
Paget’s disease
