Ortho Oracle - orthopaedic operative atlas

Clinical Manifestations: Hemophilic Arthropathy

– See: Extra-articular Manifestations – Discussion: – manifests itself in one of three typical forms: – acute hemarthrosis; – subacute hemarthropathy; – chronic hemarthropathy; – severity of hemophilia A depends upon level of factor VIII clotting activity; – severe deficiency: – factor VIII activity level of < 1%; – pt characteristically bleeds into joints or … Read more

Cleidocranial Dysplasia (Dysostosis)

– Discussion:     – autosomal dominant proportionate dwarfism that affects bones formed intramembranously (eg. facial bones, cranium, & clavicles);     – dislocations of hips, knees, and the radial heads may occur;     – clavicle:           – most commlonly, absence of the central portion of the clavicle with rudimentary … Read more

Classification of Cerebral Palsy

– Spastic Syndrome:     – are the most common (70% of cases) and most ammenable to surgery;     – due to upper motor neuron involvment     – mild to severe motor impairment     – characterized by increased muscle tone and hyperreflexia, with slow, restricted movements (because of co contraction of agonist … Read more

Classic Osteosarcoma

– See:      – Bone Tumor Menu  and Osteosarcoma Demonstration Project – Discussion:     – malignant tumor of bone in which neoplastic osteoid is produced by a proliferating spindle cell stroma;     – most common primary malignant bone tumor of mesenchymal derivation;     – arises in adolescents, and second or third decade;     – … Read more

Chronic Slip

– Discussion:     – most common presentation is chronic slip (60 % of cases);     – may cause pain refered to hip, distal medial thigh, or knee;     – on exam, look for loss internal rotation, which may be manifested by observing the extended hip move into external rotation as hip is … Read more

Chondrosarcoma

– See: Bone Tumor Menu – Discussion:     – malignant cartilaginous tumor of bone (3rd most common malignant bone tumor / comprises 20% of malignant bone lesions);     – it is less common and less aggressive than osteosarcoma;     – staging:             – histologic grading is best predictor of stage;             – most often presents as … Read more

Chopart Amputation

– See:       – Syme’s Amputation       – Transmetatarsal Amputation – Discussion:     – Francis Chopart first described disarticulation thru midtarsal joint;     – Chopart amputation removes the forefoot and midfoot, saving talus and calcaneus;     – Chopart amptutations should not performed for ischemia;     – this … Read more