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Being a misnomer that has persisted into modern times, [33] the ganglion cyst is unrelated to the neural "ganglion" or "ganglion cell"; its etymology traces back to the ancient Greek γάγγλιον, a "knot" or "swelling beneath the skin", [34] which extends to the neural masses by analogy.
Paroxysmal hand hematoma is a skin condition characterized by spontaneous focal hemorrhage into the palm or the volar surface of a finger, which results in transitory localized pain, followed by rapid swelling and localized blueish discoloration.
In medicine, split hand syndrome is a neurological syndrome in which the hand muscles on the side of the thumb (lateral, thenar eminence) appear wasted, whereas the muscles on the side of the little finger (medial, hypothenar eminence) are spared.
Individuals affected by RS3PE typically have repeated episodes of inflammation of the lining of their synovial joints and swelling of the end portion of the limbs. [8] The arms and hands are more commonly affected than the legs and feet. [8] Both sides are usually involved though RS3PE can affect only one side in certain cases. [8]
This condition which some people think is a self-inflicted (factitious) condition usually starts with a small accidental injury of the dorsum of the hand. This is usually followed by swelling edema and cyanosis of the dorsum of the usually right hand. The edema is thought to be secondary to excessive inflammation the condition slowly burns out ...
The dorsal venous network of the hand is a venous network on the dorsum (backside) of hand. It is formed by the dorsal metacarpal veins (three in number), a dorsal digital vein from the radial (lateral) side of the index finger and one from the ulnar (medial) side of the little finger, and both dorsal digital veins of the thumb.
The mass occurs in one of the joints between the carpus and metacarpus of the hand, called the carpometacarpal joints, where a small immovable protuberance [1] occurs when this joint becomes swollen or bossed. The joint between the index metacarpal and the capitate is a fibrous non-mobile joint. Some people have a gene that leads to this growth.
In extremely painful cases, a digital nerve block, where anaesthetic is injected in the web to either side of the affected finger, may be employed to enable assessment of the injury. [2] X-rays may be employed to achieve a more accurate diagnosis of a jammed finger, enabling the identification of varying types of dislocation or fractures.