Wrist

Introduction The word “wrist” comes from the Old Slavonic “metacarpus” (hand), “styapatnit” (to tighten). Our ancestors were truly wise, and apparently understood that if you overdo it, the arm bone will become unattainable. **The wrist** is one of the most complex anatomical structures in the human body and is responsible for many vital functions.

Definition **Carpal**, or Latin *carpis*, was formed as a result of the fusion of the bones of the first and second metacarpal bones. The bones of the first metacarpal fit into the carpal joint. When the hand moves from a horizontal to a vertical position, the radius bone enters the recesses of the scaphoid bone, forming the lunate surface. Therefore, with abnormal development of the hand and fingers in a person, the edge of the radius bone can, during fibrosarcoma, penetrate in the form of a spike through the skin in the wrist area, causing the formation of skin cancer. In this case, a malignant tumor can affect the hygroma and the bones of the base of the finger. Differential diagnosis should be carried out with rheumatoid bursitis, synovial angioma, fused bones, chondroplasty, neurinoma (with