Ortho Oracle - orthopaedic operative atlas

Radiographs for Posterior Shoulder Dislocation

– See:    – Radiographic Studies for the Shoulder    – Posterior Shoulder Dislocation – Findings Seen on Specific Radiographic Views:     – Axillary View:          – reverse hill sachs lesion     – AP of the Shoulder:          – because humerus is internally rotated, the greater tuberosity will not … Read more

Radiographs: Hallux Valgus

– Determine Congruency – wt bearing AP & lateral radiographs: – IMA: (nl < 10 deg)     – note that this angle is highly dependent on the technique of measurement            – some authors measure from down the metatarsal shaft, where as, other authors measure from the center of the metatarsal … Read more

Radiographs of the Lumbar Spine

– Discussion:     – correlation w/ back pain:          – traction spurs &/or severe disc space narrowing do correlate w/ pain;          – spondylosis, Spondylolisthesis, & adult Scoliosis may or may not be associated with back pain;           – there is little correlation between back … Read more

Radiographic Work Up for Rheumatoid C-spine

– Discussion:     – flexion-extension laterals;           – prior to intubation for elective surgery, all patients at risk should have flexion extension laterals of cervical  spine r/o                 atlantoaxial instability; – Radiographs:     – atlantodens interval (ADI) needs to be evaluated;           – instability is … Read more

Radiographic Evaluation: Calcaneal Fractures

           – See: X-rays of the Foot – Radiographs:     – broden’s view:     – dorsoplantar (AP):              – delineates calcaneocuboid joint              – demonstrates amount of lateral spread of calcaneus              – demnstrates subluxation of talonavicular joint; … Read more

Radiographic Evaluation of the Talus

– See:       – Radiology of Subtalar Joint       – Hawkins Sign – Talar Neck View: (modified AP (Canale/Kelly));     – this projection is helpful in assessing degree of frx displacement and adequacy of reduction;     – best view to demonstrate the talar neck, varus angulation, medial malposition or dorsal displacement … Read more

Radiographic Features of Bone Tumors

– See:     – Outside Links: Approaches To Differential Diagnosis In Musculoskeletal Imaging:                – Soft Tissue Calcifications                – Lucent Lesions of Bone                – Sclerotic Lesions – Discussion:     – note whether the … Read more