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  2. Thumb hypoplasia - Wikipedia

    en.wikipedia.org/wiki/Thumb_hypoplasia

    Thumb hypoplasia is a spectrum of congenital abnormalities of the thumb varying from small defects to complete absence of the thumb. [1] It can be isolated, when only the thumb is affected, and in 60% of the cases [ 2 ] it is associated with radial dysplasia [ 1 ] (or radial club, radius dysplasia, longitudinal radial deficiency).

  3. Tibial hemimelia-polysyndactyly-triphalangeal thumb syndrome

    en.wikipedia.org/wiki/Tibial_hemimelia-polysyn...

    Tibial hemimelia-polysyndactyly-triphalangeal thumb syndrome is a rare genetic limb malformation syndrome which is characterized by thumb triphalangy, polysyndactyly of the hand and foot, and hypoplasia/aplasia of the tibia bone.

  4. Ulnar dysplasia - Wikipedia

    en.wikipedia.org/wiki/Ulnar_dysplasia

    Ulnar dysplasia also known as ulnar longitudinal deficiency, ulnar club hand or ulnar aplasia/hypoplasia is a rare congenital malformation which consists of an underdeveloped or missing ulnae bone, causing an ulnar deviation of the entire wrist. The muscles and nerves in the hand may be missing or unbalanced.

  5. Linburg–Comstock variation - Wikipedia

    en.wikipedia.org/wiki/Linburg–Comstock_variation

    Linburg–Comstock variation is an occasional tendinous connection between the flexor pollicis longus and the flexor digitorum profundus of the index, the middle finger or both. It is found in around 21% of the population. [1] It is an anatomical variation in humans, which may be viewed as a pathology if it causes symptoms. It was recognised as ...

  6. Brachydactyly type D - Wikipedia

    en.wikipedia.org/wiki/Brachydactyly_type_D

    Brachydactyly type D, also known as short thumb, [3] [1] stub thumb, [5] [6] or clubbed thumb, [5] [6] is a genetic trait recognised by a thumb being relatively short and round with an accompanying wider nail bed. The distal phalanx of such thumbs is approximately two-thirds the length of full-length thumbs.

  7. Anterior interosseous syndrome - Wikipedia

    en.wikipedia.org/wiki/Anterior_interosseous_syndrome

    Anterior interosseous syndrome is a medical condition in which damage to the anterior interosseous nerve (AIN), a distal motor and sensory branch of the median nerve, classically with severe weakness of the pincer movement of the thumb and index finger, and can cause transient pain in the wrist (the terminal, sensory branch of the AIN innervates the bones of the carpal tunnel).

  8. Acquired hand deformity - Wikipedia

    en.wikipedia.org/wiki/Acquired_hand_deformity

    With gamekeeper's thumb, where the ulnar collateral ligament (UCL) is damaged, thumb functional abilities may be diminished. [4] For fingertip deformities, such as in mallet finger, pain and fingernail disruption may also be observed. [13] Rheumatoid arthritis of the hands may cause hand deformities.

  9. Trapeziometacarpal osteoarthritis - Wikipedia

    en.wikipedia.org/wiki/Trapeziometacarpal...

    The most common complication after surgery is pain persisting in the thumb. Over long term, there is pain relief, but on short term, patients experience pain from the surgery itself. The main complaint is a burning sensation or hypersensitivity over the incision. Some patients develop a complex regional pain syndrome. This is a syndrome of ...