Because lung cancer cells may have some special hormone ( heterologous hormone ) , and antigen enzyme , the role of these substances in the operation of bone joints , a result of bone and joint swelling pain , often involving the tibia , recife , ulnar and radial and bone and joints , often terminal expansion toes were clubbed fingers , x - ray radiography examination showed periosteal proliferation 由于肺癌細胞可產(chǎn)生某些特殊的內(nèi)分泌激素(異源性激素) 、抗原和酶,這些物質(zhì)運轉(zhuǎn)作用于骨關(guān)節(jié)部位,而致骨關(guān)節(jié)腫脹疼痛,常累及脛、腓、尺、橈等骨及關(guān)節(jié),指趾末端往往膨大呈杵狀指, x線攝片檢查可見骨膜增生。