Objective To detect the expressions of VEGF and nm23 in non-small cell lung cancer (NSCLC) tissues and their relationships,and explore their clinical value in the diagnosis and treatment.Methods lmmunohistochemistry(SP method) was used to detect the expressions of VEGF and nm 23 in NSCLC and peritumor tissues.Results The positive expression rate of VEGF in NSCLC(63.3 ％,38/60)was significantly higher than in the peritumor tissues(16.7 ％,10/60)(x2=27.22,P＜0.01).nm 23 is on the contrary (53.3 ％,32/60)(x2=17.79,P＜0.01).The positive expression of VEGF in NSCLC was positively correlated significantly with the lymph node metastasis and histological classification(P＜0.05).The positive expression of nm 23 in NSCLC was negative correlated significantly with lymph node metastasis,P＜0.01.2-year survival rate of the VEGF-positive patients was significantly lower than that of VEGF-negative patients,and nm 23 is on the contrary(x2=5.55,P＜0.05).No correlation was found between the expressions of VEGF and nm 23 in NSCLC (x2=1.83,P＞0.05) Conclusion The VEGF and nm 23 may be closely associated to carcinogenesis and progression of NSCLC.Detection of VEGF and nm 23 are beneficial to indicate the biologic behavior of NSCLC.It has positive effect on diagnosis and treatment of NSCLC.

Objective To compare the effect of postoperative intercostal nerves cryoanalgesia and patient controlled epidural analgesia (PCEA) in patients undergoing thoracic surgery. Methods From April 2006 to May 2008,89 patients undergoing thoracic surgery were randomly divided into intercostal nerves cryoanalgesia group (group A,47 cases) and PCEA group (group B,42 cases). The scores of pain, use of pain medication and time of out-of-bed activity after the operation were used to evaluate the effect of pain between two groups. Results The scores of pain in group A and group B were (1.49 ± 0.80) and (2.43 ± 1.21) scores respectively. There were significant differences in the scores of pain. The use of pain medication [(1.28 ± 0.62) times vs (2.02 ± 1.05) times]and time of out-of-bed activity after the operation [(43.15 ± 12.22) h vs (64.10 ± 14.25) hi were significant difference between the two groups(P< 0.05). Conclusions For reducing the post- thoracotomy pain,intercostal nerves cryoanalgesia is superior to PCEA. Intercostal nerves cryoanalgesia can provide satisfactory analgesia after thoracic surgery.

Objective To evaluate the prognostic value of intraoperalive detection in rib bone marrow micmmetastasis(BMMs)of patients with non-small-cell lung cancer(NSCLC)and the relationship between the micROmetast ases and clinicopathologic factors.Method From April 2004 to May 2007,146 patients undergoing surgical treatment for NSCLC were prospectively investigated for the presence of BMMs by the immunohistochemisury method.Remits 30.82%(45/146)of NSCLC patients were detected with BMMs,15(33.33%)patients developed remote metastases of the 45 patients with BMMs,14(13.86%)patients developed metastases of the 101 patients without BMMs.Patients with BMMs demonstrated an earlier metastasis and a lower survival rate compared with patients without BMMs(P＜0.05).There Was trend for ahigher frequency and the occurrence of BMMs changed with tumor stages and the histologic differentiation of the tumor.No relationship was found between BMMs and age,T grade,as well as tumor dimension.Conclusions The detection of BMMs can predict the prognosis of NSCLC patients and identifies patients withNSCLC who are at significantly increased risk for metastasis and survival,which may be useful in evalnatingpatients for adjuvant treatment

Objective To evaluate the prediction value on distant metastases of fib bone marrow micrometastases (BMM) of patients with non-small lung cancer ( NSCLC ). Methods From January 2003 to March 2006, 168 patients undergoing surgical treatment for NSCLC were prospectively investigated for the presence of BMM by using immnnohistochemistry. The sensitivity and specificity of the rib bone marrow micrometastases technique were also calculated. Receiver operating characteristic curve (ROC curve)was drawn according to data. Results Occult BMM were detected in 29.76 %(50/168) of patients with NSCLC. 15(29.76 %) patients developed metastases in the 50 patients with BMM and 15 (12.71%) patients developed metastases in the 118 patients without BMM. The sensitivity and the specificity of the technique was 61.54 % and 79.84 %. The false negative rate was 38.46 % and the false positive rate was 20.16 %. The positive predictive value, negative predictive value and Youden' s index were 87.5 %, 93.33 %, 74.33 % respectively. Conclusion The detection of BMM could predict the distant metastases of non-small lung cancer patients through receiver operating characteristic curve evaluation, however, the detecting sensitivity should be improved.