You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Mallet finger is caused by injury to extensor tendon inseion at: and explain in detail?
MALLET FINGER/BASEBALL FINGER- avulsion of extensor tendon of the distal interphalangeal joint from its inseion at the base of distal phalanx. Cause due to direct trauma, occurs when the finger tip is forcibly bent during active extension Treatment An acute mallet finger should be splinted and the DIP joint is kept in hyperextension for 6-8 weeks. Old lesion need treatment if deformity is marked, hand functions seriously impaired, and joint still mobile. The options include fusion, tendon reconstruction or fowler' central slip tenotomy.