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Spontaneous Idiopathic Bilateral Sagittal Band Rupture: A Case Report
Fatema H Madan1, Huda Saeed Alsahlawi2, Batool B Mohamed3
1Department of Orthopedic Surgery, Salmaniya Medical Complex, Manama, Bahrain.
Introduction:
Extensor tendon subluxation or dislocation resulting from sagittal band rupture can be associated with snapping, catching, locking, pain, and swelling of the finger. Several etiologies were reported in the literature, with frequent mention of a traumatic rupture caused by a direct blow at the level of the metacarpophalangeal joint (MCPJ). The other causes of sagittal band injuries are degenerative disease, congenital infection, and rheumatoid arthritis. To our knowledge, we report the first case of spontaneous idiopathic bilateral sagittal band rupture.
Case Report:
We, herein, present the case of a seronegative 29-year-old female who presented with pain and swelling in the dominant hand for 4 days.
Conclusion:
Upon examination, she was found to have bilateral dislocation of the extensor tendons at the level of the (MCPJ) of the third and fourth digits. Any underlying cause was excluded, and the diagnosis was confirmed with a dynamic ultrasound study.
