Encyclopedia: Metacarpal boss
Metacarpal Boss Carpal bossing is the name given to a condition that causes a bony lump on the back of the hand. A swelling and ache on the dorsum of the wrist in relation to the base of the 3rd metac...
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The dorsal wrist ganglion is most often confused with the carpal boss, so named by the French physician Foille.  The carpal boss is an osteoarthritic spur that develops at the base of the second and/or third carpometacarpal joints (Fig.
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boss included ganglion, bone or soft-tissue tumor, a fracture, and tenosynovitis of extensor tendons. The carpo metacarpal boss frequently is misdiagnosed...
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Definition: Carpal bossing is the name given to a condition that causes a bony lump on the back of the hand. The carpal boss occurs at the junction of the long hand bones and the small wrist bones. Is carpal bossing a type of cancer?; No. Carpal bossing is due to bone growth at the base of the metacarpal bones of the hand.
orthopedics.about.com/od/handwrist/g/bossing.htm orthopedics.about.com/od/handwrist/g/bossing.htm
Nagar M., Narang P., Pradhan S. and Bhargava S.K. (1993).The carpo-metacarpal boss in an Indian population Journal of Anatomical Society of India, Vol. 42, 45.
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The term metacarpal boss refers to prominence of the carpometacarpal joint of the index and/or middle rays. It is a congenital or spontaneous development,
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Metacarpal Boss Codes.
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at 110. Dr. Acosta-Rodriguez noted some mild swelling to her right hand and tenderness to her metacarpal boss on her right wrist. On the later date, Dr. Acosta-Rodriguez informed Greene that he believed she had reached maximum medical improvement.
www.in.gov/judiciary/opinions/pdf/09070601ehf.pdf
- osteophyte from 2nd & 3rd carpal metacarpal joint (capal boss) is just beneath ECRB & ECRL, and may cause a tendonitis; - Rupture of ECRB:; - important consideration for wrist prosthesis in R.A.; - balance of extensor tendons is of primary importance, esp ECRB;
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