This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Tendon and Crush Injuries, Subject name: Orthopaedics
Dupuytren's contracture mvolves- 
Select and explain. 
A. Dorsal fascia, B. Palmar fascia, C. Ulnar bursa, D. Radial bursa
B: Palmar fascia
Answer: B: Palmar fascia 
Explanation: Ans. is 'b' i.e., Palmar fascia o Dupuytren's contracture is characterized in the established phase by flexion contracture of one or more fingers from thickening and shortening of palmar aponeurosis.o The exact etiology is unknow; However, the condition is more commonly associated with following conditionsi) Epileptics taking phenytoiniv) Alcoholic cirrhosisii) Diabetesv) AIDSiii) Smokingvi) Pulmonary TB o Often both hands are affected (Bilateral disease), one more than the other,o The earliest sign is a small thickened nodule in the mid-palm opposite the base of ring finger,o Gradually this extends distally to involve the ring or little finger.o There is a rare, curious association with fibrosis of the corpus Cavemosum.