 [ Symptoms ] i have rocks and dirt in my knee it is starting to affect my life what can be done about it  around age 9 i fell and had a very bad injury to my left knee the wound was not cleaned properly and i have dirtrocks underneath my skin i am 29 now and occasionally i will feel a hollowness in my knee that makes it hard for me to walk  it feels like a disconnection between my thigh and leg i do not want surgery but i do not want this to get worse as i get older what are some treatments if i had to have surgery what would that entail and how long would recovery be [ Disease ] there is no way to offer you a patient specific answer to your many questions since i have no way of examining your knee there is a good chance that your knee symptoms are completely unrelated to your foreign bodies but it is going to take a good orthopedic assessment and some imagining studies to see where you stand in this matter