Isolated patellofemoral osteoarthritis is relatively prevalent. with the lateral facet of the patella being the most commonly affected portion. This pathology can be a result of a patellar maltracking syndrome. patella instability. https://www.roneverhart.com/ASUS-VivoBook-X515-15-6-FHD-Laptop-Intel-Core-i5-1135G7-2-4-GHz-Intel-Iris-Xe-Graphics-16GB-DDR4-RAM-1TB-SSD-Windows-/