Deformities may be caused by overgrowth of an osteochondroma or hyperplasia of articular cartilage and sometimes can occur secondary to changes induced by limitation of motion.
畸形可能是由骨软骨瘤过度生长或关节软骨增生引起，而且有时可继发于活动受限。
2
Enlargement of the ipsilateral choroid plexus may be secondary to hyperplasia or angiomatous involvement.
同侧脉络丛增大，可能是由于过度增生或被血管瘤累及。
3
Results Among the 53 patients with secondary hyperparathyroidism , there were 39 cases of parathyroidal hyperplasia, 31 cases of nodosity thyroncus, 32 cases of lymphadenectasis.