Fractures of the sesamoid bones of the thumb

Paul R Dong, L. L. Seeger, M. S. Shapiro, S. M. Levere

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Stability of the thumb metacarpophalangeal joint is provided by the collateral ligament proper, the accessory collateral ligament, the proximal and distal palmar ligaments, and the palmar plate. The adductor pollicis and flexor pollicis brevis muscles also provide soft tissue support and insert on the proximal phalanx of the thumb by way of the sesamoid bones. Fractures of the metacarpophalangeal joint sesamoid bones are uncommon but are often associated with sporting injuries during which the joint is acutely hyperextended. Routine anteroposterior and lateral radiographs may be unremarkable, and oblique views are often necessary to document the fracture. We report eight cases of fracture of the thumb metacarpophalangeal joint sesamoid. Seven were isolated sesamoid fractures, and one was associated with a metacarpophalangeal joint dislocation. None of the fractures were evident on anteroposterior radiographs, but all were seen in the oblique projection. Six fractures were treated with splint or cast immobilization for 2 to 3 weeks, and two were taped. Clinical followup of the seven patients with isolated sesamoid fracture at 6 to 8 weeks revealed pain-free normal function. One patient could not be reached for followup.

Original languageEnglish (US)
Pages (from-to)336-339
Number of pages4
JournalAmerican Journal of Sports Medicine
Volume23
Issue number3
StatePublished - 1995

Fingerprint

Sesamoid Bones
Metacarpophalangeal Joint
Thumb
Collateral Ligaments
Palmar Plate
Splints
Joint Dislocations
Ligaments
Immobilization
Joints
Muscles
Wounds and Injuries

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Public Health, Environmental and Occupational Health
  • Physical Therapy, Sports Therapy and Rehabilitation

Cite this

Dong, P. R., Seeger, L. L., Shapiro, M. S., & Levere, S. M. (1995). Fractures of the sesamoid bones of the thumb. American Journal of Sports Medicine, 23(3), 336-339.

Fractures of the sesamoid bones of the thumb. / Dong, Paul R; Seeger, L. L.; Shapiro, M. S.; Levere, S. M.

In: American Journal of Sports Medicine, Vol. 23, No. 3, 1995, p. 336-339.

Research output: Contribution to journalArticle

Dong, PR, Seeger, LL, Shapiro, MS & Levere, SM 1995, 'Fractures of the sesamoid bones of the thumb', American Journal of Sports Medicine, vol. 23, no. 3, pp. 336-339.
Dong PR, Seeger LL, Shapiro MS, Levere SM. Fractures of the sesamoid bones of the thumb. American Journal of Sports Medicine. 1995;23(3):336-339.
Dong, Paul R ; Seeger, L. L. ; Shapiro, M. S. ; Levere, S. M. / Fractures of the sesamoid bones of the thumb. In: American Journal of Sports Medicine. 1995 ; Vol. 23, No. 3. pp. 336-339.
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