Tenosynovitis of the flexor tendons of the fingers is also known as trigger finger or popping finger. The thumb is a long flexor thumb tendon tenosynovitis also known as popping thumb. The disease can occur at different ages, mostly in women and manual laborers. It can occur in any finger, but mostly in the thumb. Presentation: The onset of the disease is slow, with limited soreness on the palmar side of the metacarpophalangeal joint in the early stages, aggravated in the morning or after work exertion, with slightly restricted activity, and the pain may gradually develop and spread to the distal side of the wrist and fingers. The pain may gradually spread to the wrist and distal side of the finger. The finger flexion and extension activities are limited or interlocked, and a nodule-like object can be palpated under the skin on the palmar side of the metacarpal head, and the nodule-like object can be felt to slide and bounce when flexing and extending, sometimes with a popping sound. Local pain is obvious. Treatment:
Non-surgical treatment: For early or mild symptoms, treatment includes reduction of hand activities, especially finger flexion and extension activities, physical therapy and intra-tendon sheath injection of steroid drugs. Usually only one or two injections are given, not multiple injections, which may cause extensive adhesions. In early cases, one injection can cure the disease, if not cured, another injection after an interval of 1 week.
2. Surgical treatment: It is suitable for those whose tendon sheath has been stenosed and whose non-surgical treatment is ineffective or recurrent.