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Average 4. Thank you for rating! Please vote below and help us build the most advanced adaptive learning platform in medicine. Just skip this one for now. What is the best treatment option? Review Topic Tested Concept. His symptoms began 6 months ago, and have been progressively worsening. He has nearly full abduction.
What is the next most appropriate step in treatment? Radiographs are shown in Figures A and B. The radiographic changes necessary for accurate lateral pillar classification of his disease are usually evident how long after the onset of symptoms? Presence of a radiolucency in the shape of a V in the lateral portion of the epiphysis Gage sign.
Legg-Calve-Perthes Disease. Chris Souder. Please rate topic. Please vote below and help us build the most advanced adaptive learning platform in medicine The complexity of this topic is appropriate for? L2 - PGY3. L3 - PGY4. L4 - PGY5. L5 - Fellow. L6 - years in practice. L7 - years in practice. L8 - 10 years in practice. How important is this topic for board examinations? How important is this topic for clinical practice? No, Thanks Submit. Technique Guide. Rachel Goldstein. Paul Choi.
Robert Kay. Deirdre Ryan. Upgrade to PEAK. Take This Question Anyway. Orthobullets was not involved in the editorial process and does not have the ability to alter the question. QID: L 2 Question Complexity.
Question Importance. L 5 Question Complexity. L 3 Question Complexity. Sort by. All Videos 0 Podcasts 2. Orthobullets Team. Listen Now min. Pediatrics Legg-Calve-Perthes Disease ft. Team Orthobullets J. Bilateral Perthes disease in a 5M C Persistent limp in a 9yo boy C Perthes C Akshay Poptani.
Please login to add comment. Cancel Save. Classification - Lateral Pillar has best agreement, and most predictive. Healing or remodeling. Lateral Pillar Herring Classification. Group A. Group B. Group C. Catterall Classification. Group I. Group III. Salter-Thompson classification. Class A. Class B. Based on radiographic cresent sign.
Stulberg classification. Gold standard for rating residual femoral head deformity and joint congruence Recent studies show poor interobserver and intraobserver reliability.
Histology femoral epiphysis and physis exhibit areas of disorganized cartilage with areas of hypercellularity and fibrillation.
Radiographic differential diagnosis infecitious etiology septic arthritis, osteomyelitis, pericapsular pyomyositis transient synovitis multiple epiphyseal dysplasia MED spondyloepiphyseal dysplasia SED sickle cell disease Gaucher disease hypothyroidism Meyers dysplasia.
It should not be confused with Perthes lesion of the shoulder. Perthes disease is relatively uncommon and in Western populations has an incidence approaching 5 to , Boys are five times more likely to be affected than girls. Most children present with atraumatic hip pain or limp 3,5,6. Some children have a coincidental history of trauma.