Hard lump (feels like bone) under kneecap. Def not on right leg. Only left, and no pain. I exercise a lot (basketball and running). Any help on what this is? : r/AskDoctorSmeeee
Does your child have a “bump” at the front of the knee? Is it Osgoode-Schlatters Disease? | Burlington Orthotic Centre
Baker's cyst - NHS
Knee Pain Location Chart | The Chelsea Knee Clinic
Osgood-Schlatter Disease | Johns Hopkins Medicine
Bursitis & Tendon Problems in the Knee | Buxton Osteopathy Clinic