It also can be caused by a cut on the top of the finger, which can sever the central slip (tendon) from its attachment to the bone. Some genetic conditions, such as Ehlers-Danlos Syndromeīoutonnière deformity is generally caused by a forceful blow to the top (dorsal) side of a bent (flexed) middle joint of a finger. Looseness of the fibrous plate inside the hand located at the base of the fingers Other direct trauma to finger that has weakened the ligaments surrounding the proximal interphalangeal joint Untreated mallet finger – a condition often caused by injury
#CELL PHONE COMMERCIAL WITH CUT FINGERS SKIN#
The nail can even become detached from beneath the skin fold at the base of the nail. Occasionally, blood collects beneath the nail. The finger may be painful, swollen and bruised, especially if there is an associated fracture, but often the only finding is the inability to straighten the tip. In a mallet finger, the fingertip droops.
Swelling and pain occur and continue on the top of the middle joint of the finger. The finger at the middle joint cannot be straightened and the fingertip cannot be bent.
Signs of boutonnière deformity can develop immediately following an injury to the finger or may develop in a week to 3 weeks later. If it is left untreated, the two outer joints of the finger will eventually bend noticeably, causing the finger to resemble a swan’s neck. In later stages of swan neck deformity, it is relatively easy to recognize symptoms visually. Earlier signs of swan neck deformity may include pain when bending the knuckle and a slight bend in the wrong direction of one or more fingers.
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