Page 254 - Canine Lameness
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Septic
                Fracture       Visible                                           arthritis
             History of  trauma  abnormality                    Consider to establish
                Shoulder     Fracture line                        diagnosis     Non-calcifying
                luxation                                                        tendinopathy
                                                                 Arthrocentesis
                                            X-rays    X-rays
                                           abnormal   normal
                             Shoulder joint
                Incomplete    dislocation                                        Adhesive
                ossification                                                     capsulitis
                                                                 Ultrasound/MRI
                             Caudal glenoid                                       Medial
                              fragment
               Osteoarthritis                                                    shoulder
                                                                                 instability
                                                                  Arthroscopy
                                                 Pain in
                            Flattening of caudal  shoulder
                             humeral head        region
                 OCD                                                              OCD   dog  Juvenile
                                                                    CT
                              Lytic lesion
                Osseous                                                          Minimally
                neoplasia                                                        displaced  trauma  History of
                                                                 Muscle biopsy/  fracture
                                                                   surgery
                              Soft tissue    Common tendinopathies:
                              calcification    • Biceps brachii
                Calcifying                     • Supraspinatus                  Infraspinatus
               tendinopathy                                                      contracture
                                                                    FNA
                            Abnormally shaped
                               glenoid
                Glenoid                                                          Soft tissue
                dysplasia                                                        neoplasia
            Figure 15.1  Schematic of common diseases affecting the shoulder region and the steps necessary to establish a diagnosis.
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