Skin & Soft Tissue: Pyogenic Flexor Tenosynovitis

Definition

• Definition: Infection of the Flexor Tendon Sheath
• Often Difficult to Distinguish from a Subcutaneous Abscess

Presentation (Kanavel Cardinal Signs)

• Uniform, Symmetric Swelling of the Affected Digit
• Digit Held in Partial Flexion at Rest
• Severe Tenderness Along the Entire Course of the Flexor Tendon Sheath (Generally Not Just Localized to the Tip)
• Pain Along the Tendon Sheath with Passive Extension – Most Common Symptom

Treatment

• Primary Treatment: Incision & Drainage with Antibiotics