Anatomy MCQ 0016

Kanavel’s sign is seen in:

1. Tenosynovitis
2. Dupuyteren’s contracture
3. Carpal tunnel syndrome
4. Trigger finger

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The Correct option is A

Explanation with High Yield Facts :

Kanavel's sign, a point of maximum tenderness in the palm 2.5 cm proximal to the base of the little finger in infection of tendon sheath.

• goal is to distinguish infectious tenosynovitis from superficial or localized abscess
• Kanavel's Four Cardinal Signs

• for diagnosing infectious tenosynovitis;
• intense pain accompanies any attempt to extend partly flexed finger;
• this is absent in local involvement;
• pain will be noted along the course of tendon with extension;
• this is the earliest and most important sign;
• in case of a local furuncle, in contrast, the finger can be held straight without much pain;
• flexion posture: finger is held in flexion for comfort;
• uniform swelling involving entire finger in contrast to localized swelling in local inflammation;
• percussion tenderness along the course of the tendon sheath;
• tenderness is marked along the course of inflamed sheath in contrast to its absence in a localized inflammation;

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