This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Orthopaedics
[{'content': "Kanavel's sign is seen in - \nSelect and explain. \nA. Tenosynovitis, B. Trigger finger, C. Dupuytrens contracture, D. Carpal tunnel syndrome", 'role': 'user'}, {'content': "Answer: A \nExplanation: Kanavel's sign is seen in acute suppurative tenosynovitis of the little finger. It is tenderness elicited at a point in between the two palmar crease about 2.5 cm proximal to the base of the little finger.\nThere are also 4 Cardinal signs of Kanavel seen in acute suppurative tenosynovitis of fingers. These are:\n\n1)\xa0Finger held in slight flexion,\n2)\xa0Fusiform swelling involving entire finger,\n3)\xa0Tenderness along the flexor tendon sheath, and\n4)\xa0Pain with passive extension of the digit.\n\n\nTenosynovitis is inflammation of the tendon and tendon sheath.", 'role': 'assistant'}]