👉 Oligocythemia is a condition in which there is an excess of hyaline cartilage tissue in the bone. It can occur in both children and adults, and it's often caused by a genetic disorder called Ehlers-Danlos syndrome. In this condition, the cartilage is too hard for the bones to absorb and grow properly, leading to a buildup of cartilage that can cause pain or deformity in joints. The cartilage may be loose, causing bone to become weaker
