Expression of pain are often very complex, can be expressed in persistent pain, or intermittentpain, and some patients also showed dull pain or tingling.
疼痛的表现也往往很复杂，可以表现为持续性疼痛，或间歇性疼痛，有的病人还表现为钝痛或刺痛。
3
As the disease becomes worse, it leads to pain in the muscles of the leg on walking (intermittent claudication).