Several different kinds of tumors can grow in bones: primary bone tumors, which form from bone tissue and can be malignant (cancerous) or benign (not cancerous), and metastatic tumors
Stress flare-ups are a normal and inevitable part of life. And since stress can trigger symptoms like pain, symptom flare-ups are also a normal and inevitable part of life.
Osgood Schlatter's disease, also known as osteochondrosis or traction apophysitis of the tibial tubercle, is a common cause of anterior (front) knee pain in the skeletally immature