NBCE PART 4 RADIOLOGY EXAM QUESTIONS WITH ALL CORRECT ANSWERS

NBCE PART 4 RADIOLOGY EXAM QUESTIONS WITH ALL CORRECT ANSWERS More than One Block Vertebrae - Answer-Klippel Feil Syndrome Short web necked Decrease range of motion Sprengels Deformity - Answer-unilateral non-descent of scapula omovertebral bone on same side (calc. of rhomboids) Acquired Vs. Congenital Block Vertebrae - Answer-congenital: 2 facets and 1 spinolamina line acquired: facets fused but separate spinolamina lines DJD disc spaces - Answer-decreased disc space lipping and spurring @L5-S1 vacuum phenomenon aka IVOC: intervertebral osteochondrosis phantom disc knutson's phenomenon C1 post. arch missing (3) - Answer-agenesis LM ate it surgery (look for staples, wires, clips, etc.) Vertical Radiolucency at C1 arch - Answer-fx. bone displaced non-union: in place DO THE ROLLBACK Posterior Ponticus - Answer-calcification of atlanto-occipital lig. arcuate foramen: vertebral a. and C1 nerve Hangman's Fx - Answer-aka bipedicular fx radiolucency through pedicles hyperextension & whiplash injuries Type IV spondylolisthesis: traumatic through pedicles hangman's traumatic Pathological Collapse akas - Answer-vertebral plana silver dollar vertebrae coin on end vertebrae waffer thin vertebrae pancake vertebrae Subluxations - Answer-slippage of vertebral body ant/post. by 10-15% facets still line up Named from bottom up anterolisthesis/posterolisthesis Dislocations - Answer-slippage of vertebral body by 25% or more name bone: C1, C2, C3, etc. cervical collar to stabilize neck refer: E.R. and orthopedic surgeon 4 ligaments torn missing spinolamina lines - Answer-think spina bifida Spina Bifida at C1 - Answer-aka Spondyloschisis vit. def. B9 folic acid Spinous Missing - Answer-agenesis LM surgery Spinous Fx at C6, C7, T1 - Answer-Clay Shoveler's fx (stable fx) not a contraindication to adjusting caused by hyperflexion lateral view: double spinous sign fx's only Flex/Ext. Views - Answer-aka stress films, motion studies motive: abnormal motion or fusion, checking lity cervical fx's, malignancies, traumatic dislocations, infxns with exception of Clay Shoveler's fx Transverse Ligament Laxity - Answer-cord compression refer: rheumatologist Leaning or Tilting of Dens - Answer-suggests Fx; go to base and ensure leveled Jefferson burst Fx - Answer-axial compression; ant. and post. fx bilateral overhanging sign CAN be unilateral overhanging sign LOOK at OPPOSITE SIDE if moved to dens = normal if didn't move: Jefferson Burst Fx Vertical Radiolucency through midline C2 - Answer-cortical margins smooth = spina bifida Cervical Rib - Answer-bone articulation with bone TP longer than T1 - Answer-hypertropy spatulated TP's (elongated TP's) TOS tests: Adson's, Halsteads, etc. Uncinates normal shape - Answer-batman ears IF bending away uncinate arthrosis Uncinate Arthrosis - Answer-DJD of uncinates AP lower cervical oblique lat. cervical (hemispherical spondyloscerlosis) HALF MOON answers: uncinate arthrosis IVF encroachment hemispherical spondylosclerosis Tracheal air shadow deviation(4) - Answer-Soft tissue swelling Atelectasis Pneumothorax Enlarged Thyroid Atelectasis - Answer-collapsed lung; gas air escapes pulls trachea to same side A-P chest view Pneumothorax - Answer-collapsed lung; gas air is trapped pushes trachea away Vascular Calcification - Answer-line up in straight line Lymph Node Calcification - Answer-do not line up, appear everywhere Cervical Oblique Films - Answer-Read from Top Down IVF's IVF's 1st seen C2-C3 second segment is n. root that exits Compare size and shape Smaller sized IVF - Answer-pinching from uncinates: uncinate arthrosis pinching from posterior: facet arthrosis aka IVF encroachment aka Foraminal Stenosis