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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.
Journal of Orthopaedic Case Reports
|April 1, 2024
Summary
This case report details the first instance of spontaneous, idiopathic bilateral sagittal band rupture in a young woman. This rare condition caused painful extensor tendon dislocation in her dominant hand.
Area of Science:
- Orthopedics
- Hand Surgery
- Rheumatology
Background:
- Sagittal band rupture causes extensor tendon subluxation, leading to finger symptoms like pain and swelling.
- Commonly caused by trauma, other factors include degenerative disease, infection, and rheumatoid arthritis.
Observation:
- A 29-year-old female presented with acute pain and swelling in her dominant hand.
- Bilateral dislocation of the extensor tendons at the metacarpophalangeal joint (MCPJ) of the third and fourth digits was observed.
Findings:
- The patient was seronegative, and no underlying cause for the rupture was identified.
- Diagnosis was confirmed via dynamic ultrasound, revealing spontaneous idiopathic bilateral sagittal band rupture.
Implications:
- This case highlights a previously undocumented cause of sagittal band rupture.
- It underscores the importance of considering idiopathic causes in the differential diagnosis of extensor tendon dislocations.
Keywords:
Sagittal bandextensor tendon dislocationhand painmetacarpophalangeal jointspontaneous sagittal band rupture
