Q1. A 50-year-old man presents with the lesion shown on his hand. Except for some mild discomfort he has no symptoms. In general, where are the majority of these lesions located on the hand?
A. Carpometacarpal joint
B. Scapholunate joint
C. Radioscaphoid joint
D. Pisotriquetral joint
E. Distal interphalangeal joint
