Flexor Pollicis Longus Tendon Sheath
Description
Name
- Radial Bursa
- Palmar Radial Bursa
- Radial Bursa of Palm
- Radial Bursa of Palm of Wrist
- Palmar bursae
- Flexor pollicis longus (FPL) tendon sheath
- FPL synovial sheath
- Thumb flexor tendon sheath
- Radial synovial sheath (less common)
General
- Located on the palmer surface of the hand
- Surrounds/ communicates with flexor pollicis longus tendon sheath as it passes deep to the flexor retinaculum
- Located at the metacarpophalangeal joint extending up to 5 cm proximal to the transverse carpal ligament
- May communicate with the Ulnar Bursa through the potential space of Parona[3]
- Distally, it is continuous with the digital synovial sheath of the thumb
Function
- Enables smooth gliding of the FPL tendon
Clinical Significance
- Infectious Flexor Tenosynovitis
See Also
References
- ↑ Image courtesy of anatomyqa.com
- ↑ Image courtesy of medscape.com
- ↑ Dakshesh B. Patel, Neelmini B. Emmanuel, Milan V. Stevanovic, George R. Matcuk, Jr, Christopher J. Gottsegen, Deborah M. Forrester, Eric A. White. Hand Infections: Anatomy, Types and Spread of Infection, Imaging Findings, and Treatment Options. (2014) RadioGraphics. 34 (7): 1968-86.