The main X-ray findings included: narrowed space of the distai interphalangeal joint ； vermiform destruction and defect in the jointmargin； proliferation and enlargement of the ungual phalangeal base ；
The main X-ray findings included: narrowed space of the distai interphalangeal joint ； vermiform destruction and defect in the jointmargin； proliferation and enlargement of the ungual phalangeal base ；
X线主要表现为远侧指（趾）间关节间隙变窄，关节边缘虫蚀状破坏缺损，末节指骨基底部增生、膨大，而近节或中节指骨远端破坏削尖，从而形成“笔套样”改变。