The Carpal Boss: Review of Diagnosis and Treatment

Park, Min J.; Namdari, Surena; Weiss, Arnold‐Peter C.

doi:10.1016/j.jhsa.2007.11.029

Cited by 75 publications

(83 citation statements)

References 15 publications

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“…Os styloideum, an accessory carpal ossicle, is included in a spectrum of conditions characterized by the presence of a bony protuberance at the base of the second and third metacarpal bones, constituting the carpal boss (5) . Among the differential diagnoses, fracture of the base of the second and third metacarpal bones, osteophytes (osteoarthrosis), exostosis, bone and soft tissue neoplasias and cystic bony lesions are highlighted (3,5) .…”

Section: Discussionmentioning

confidence: 99%

“…Among the differential diagnoses, fracture of the base of the second and third metacarpal bones, osteophytes (osteoarthrosis), exostosis, bone and soft tissue neoplasias and cystic bony lesions are highlighted (3,5) . According to Conway et al, os styloideum was firstly described in 1725 by Saltzmann (6) , but the term carpal boss was proposed by Fiolle in 1931 (7) .…”

Section: Discussionmentioning

confidence: 99%

“…However, in cases where this abnormality persists, it may interfere with the biomechanics of the carpal joint. This condition may be found isolatedly (2%), fused with the capitates bone (3.5%) or with the trapezoid bone (0.5%), but, in most of times (94%) the os styloideum is fused with the base of the second and third metacarpal bones (3,5) .…”

Section: A B C Dmentioning

confidence: 99%

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Achados de imagem por tomografia computadorizada e ressonância magnética do os styloideum em atleta sintomático

Gomes

Paganella

et al. 2010

Radiol Bras

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Os styloideum is an accessory ossicle located dorsally on the wrist that represents an anatomic variant. Association between the os styloideum and wrist pain is clinically known as "carpal boss syndrome". The authors report a case of bone marrow edema in the os styloideum diagnosed by magnetic resonance imaging in a young tennis player, and present a literature review on this finding. Keywords: Os styloideum; Bone marrow edema; Magnetic resonance imaging.Os styloideum é um ossículo acessório, imóvel, localizado dorsalmente no carpo, que representa uma variante anatômica. A associação entre os styloideum e dor no punho é conhecida clinicamente como "carpal boss syndrome". Os autores relatam um caso de os styloideum com edema ósseo trabecular no estudo por ressonância magnética em atleta jovem tenista, com revisão da literatura deste achado. Unitermos: Os styloideum; Edema ósseo trabecular; Imagem por ressonância magnética. AbstractResumo

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Achados de imagem por tomografia computadorizada e ressonância magnética do os styloideum em atleta sintomático

Gomes

Paganella

et al. 2010

Radiol Bras

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“…Although the etiology remains unclear, it is thought that degenerative osteophyte formation may play a role as majority of the reported cases have occurred in adults in their fourth decade of life [3]. Carpometacarpal boss may also occur due to an injury caused by direct contact trauma [4].…”

Section: Introductionmentioning

confidence: 99%

“…In others, the lesion was asymptomatic. Treatment options are controversial, but there is some agreement on surgical excision of the metacarpal boss in symptomatic patients when conservative measures fail [4][5][6].…”

Section: Introductionmentioning

confidence: 99%

Carpometacarpal Boss with Extensor Tendon Rupture: Case Report

Ayesha¹,

Brent²

2018

J Musculoskelet Disord Treat

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Carpometacarpal boss is a rare cause of pain and swelling on the dorsum of the hand. Literature is limited on the etiology of this condition and there is no consensus on treatment. We report an unusual case of a 53-year-old man with extensor tendon rupture caused by carpometacarpal boss. Surgical excision of the bony growth and repair of the EIP utilizing interpositional tendon autograft resulted in relief of symptoms and return of function. KeywordsCarpometacarpal boss, Extensor tendon rupture presented with a 5-week history of dorsal hand swelling, that resembled a ganglion cyst, after sustaining a non-traumatic injury to his right hand. He complained of dull pain, which increased on applying pressure to that region. Symptoms were aggravated by increased activity and improved with rest. He denied any trauma. On physical examination, he had tenderness to palpation over a firm, bony protuberance over the dorsum of the base of the second metacarpal base on the right radiating into the index finger. There was visible limitation in range of motion of the index finger on extension, suggesting a possible rupture of the extensor tendon. Active wrist motion on the affected side was about 60 degrees in both flexion and extension. Pain was elicited by passive extension of the wrist and upon palpation of the extensor tendons to the index and middle fingers. Plain radiographs showed a bony protuberance at the base of the second metacarpal on the right. Due to concern of the extensor tendon rupture, conservative treatment was not indicated. The patient was offered surgical excision of the carpometacarpal boss and possible extensor tendon repair and consented to the procedure.The procedure was performed under WALANT (Wide Awake Local Anesthetic No Tourniquet). The right upper extremity was prepped and draped in normal sterile fashion and a midline incision, approximately 6 cm in length, over the base of the second metacarpal was utilized. Dissection was taken down to the extensor tendons for exploration and a complete rupture of the extensor digitorum communis (EDC) tendon to the index finger and the extensor indicis proprius (EIP) tendon was found. The junctura tendinae were still intact. The proximal aspects of the tendon stumps were not identifiable within this region and hence the incision was extended proximally by another 4-5 cm. At the base of

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Wrist Extensor Pathologies in the Baseball Athlete

Graham

Moses

2021

Hand and Wrist Injuries in Baseball

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The Carpal Boss: Review of Diagnosis and Treatment

Cited by 75 publications

References 15 publications

Achados de imagem por tomografia computadorizada e ressonância magnética do os styloideum em atleta sintomático

Achados de imagem por tomografia computadorizada e ressonância magnética do os styloideum em atleta sintomático

Carpometacarpal Boss with Extensor Tendon Rupture: Case Report

Wrist Extensor Pathologies in the Baseball Athlete

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