β£What is this?β£Congenital Pseudoarthrosis - differential diagnosis?β£Pathophysiology of pseudoarthrosis?β£Presence of Fibula pseudoathrosis?β£Correlation with neurofibromatosis?β£How to classify Pseudoarthrosis?β£What is the fibrous harmatoma?β£Mx of pseudoarthrosis?β£Mx if fracture?Zebra, Park harris Lines