Bone Chips in the Knee (Osteochondritis Dissecans) Osteochondritis dissecans is a knee problem caused by an injury to the bones or cartilage of the knee joint. The cartilage covering the femur (thighbone) or patella (kneecap) is usually affected. (Cartilage is the tissue that lines and cushions the surface of the joints.) Fragments or chips of bone or cartilage may come loose and float around in the knee joint.
When a person has two or more seizures, he or she is considered to have epilepsy. There are many possible causes of epilepsy, including tumors, strokes, and brain damage from illness or injury. In many cases, there may be no detectable cause for epilepsy.he person may have varying degrees of symptoms depending upon the type of seizure. The following are general symptoms of a seizure or warning signs of seizures. Symptoms or warning signs may include: 1  staring. 2  jerking movements of the arms and legs.
Only when a person has had two or more seizures is he or she considered to have epilepsy. A measurement of electrical activity in the brain and brain scans such as magnetic resonance imaging or computed tomography are common diagnostic tests for epilepsy.n epilepsy, the normal pattern of neuronal activity becomes disturbed, causing strange sensations, emotions, and behavior or sometimes convulsions, muscle spasms, and loss of consciousness. The epilepsies have many possible causes and there are several types of seizures.