125 Wistar rats were divided into five groups randomly. The experimental period was 20 weeks. The results showed that both in the rats drinkcd water containing 6mM Li_2CO_3. and the rats with iodine-deficiency alone, their thyroid gland increased in weight and showed a pattern of hyperplatic goitre; their serum T, dropped which T_3 was increased. These changes were more marked in the rats with iodine deficiency and the activity of thyroid superoxidas strengthened. But in the rats that drinked water containing 6mM Li_2CO_3 there was more colloid in the follicular lumens of the thyroid. Under the condition of iodine deficiency, the rats that drinkcd water containing 3mM and 6mM Li_2CO_3 had larger and heavier thyroid gland, and their serum T_4 dropped which T_3 remained normal. Compared with the rats which had iodine deficiency along, their thyroid glands showed a typical picture of colloid goitrc. In the iodine deficiency rats which drinked water containing 3mM Li_2CO_3 the change of the thyroid gland was even more marked.

Oral squamous cell carcinoma is characterized by high rate of recessive lymph gland metastasis. However, the treatment of early stage of neck lymph gland metastasis still remains large controversial. In this review, we were undertaken to assess the predictability of lymph node metastases by analyzing tumor thickness or depth and imaging. It is suggested that combined with imaging examination, elective neck dissection is a suitable choice for patient with > 4mm of primary tumor filtration.

Objective To explore the efficacy of treatment for locally recurrent rectal cancer after radical surgery. Methods In this study,the management of 107 patients with postoperative locally recurrence of rectal carcinoma admitted from August 1993 to February 2002 was retrospectively analyzed.Results Thirty-two cases were treated by reoperation combined with adjuvant therapy(group A),37 cases underwent ressction alone(group B),38 patients received adjuvant therapy alone(group C).The age of these patients was 49.3±20.7,44.4±25.4,and 52.9±29.1 respectively.The median survival time after treatment was 27.8,14.6,and 13.7 months,respectively.The five year's survival of patients in group A was better than that in group B and group C significantly(P＜0.05).Conclusions The aggressive surgery combined with adjuvant therapy improves the survival of the patients with locally recurrent rectal cancer after radical surgery.

Aged ; Antigens, CD20 ; metabolism ; CD57 Antigens ; metabolism ; Diagnosis, Differential ; Follow-Up Studies ; Hodgkin Disease ; immunology ; pathology ; surgery ; Humans ; Leukocyte Common Antigens ; metabolism ; Lymphocytes ; pathology ; Lymphoma, B-Cell ; pathology ; Male

China ; Health Status ; Humans ; Occupational Health ; Shoes

Objective To investigate the significance of the expression of interleukin-10(IL-10),interleukin-13(IL-13)and interleukin-15(IL-15)in serums of patients with hepatitis B.Methods The expression of IL-10,IL-13 and IL-15 in serums of 109 patients was measured by ELISA.Results The serum levels of IL-10,IL-13 in patients with moderate degree chronic hepatitis B(CHB)group were significantly higher than that in patients with chronic severe hepatitis group,severe degree CHB group,acute hepatitis group and normal group.The serum level of IL-15 was increased in patients with acute hepatitis、moderate degree CHB group,severe degree CHB group and chronic severe hepatitis compared with normotensives.The proportion of IL-15/IL-10 and IL-15/IL-13 in patients with chronic severe hepatitis group,severe degree CHB group and acute hepatitis group were higher than that in patients with moderate degree CHB group and normotensives.The serum level of IL-15 and the proportion of IL-15/IL-10 and IL-15/IL-13 in dead group were significantly higher than that in improving group with chronic severe hepatitis.Conclusion There is an abnormal cell-mediated immune response in patients with hepatitis B.Combining detection on the levels of serum IL-10,IL-13 and IL-15,and the proportion of IL-15/IL-10 and IL-15/IL-13 would nicely show the cellular active status and be helpful to the prediction of prognosis and direction of therapy in patients with hepatitis B of different kinds of clinical type.

Objective To explore the efficacy of various retreatment for locally recurrent rectal cancer after radical surgery. Methods Totally 107 patients of locally recurrent rectal cancer, who were admitted from August, 1993 to February, 2002 and retreated, were retrospectively analyzed. Results Thirty-two patients were treated by resection combined with adjuvant therapy (group A), 37 patients underwent resection alone (group B), and 38 patients received adjuvant therapy alone (group C). The medium age of these three groups was 49.3?20.7, 44.4?25.4, 52.9?29.1, respectively. The median survival time of groups A, B, C was 27.8, 14.6, 13.7 months, respectively. The five-year survival rate of group A was significantly higher than that of groups B and C (P

[Objective]To investigate the clinical curative effect and superiority of subtotal corpectomy through the pedicle,titanium rete support and pedicle screws system fixation in the treatment of burst fracture of thoracic vertebrae with paralysis.[Method]Twenty-three patients who suffered from the burst fracture of thoracic vertebrae with paralysis were treated with subtotal corpectomy through pedicle,titanium rete supporting bone autograft and pedicle screws system fixation.[Result]The patients were followed up for 8 months to 2 years.All had their bone grafts fused,and no incision infection,pneumothorax,hemothorax,pulmonary infection,internal fixation loosening or breakage occurred.The mean loss of Cobb's angle was 3.5?.According to Frankel grading,6 of grade A had no obvious recovery.In 5 of grade B,3 improved to C,1 to D,and the last one to E.In 7 of grade C,3 improved to D,4 to E.Five cases of grade D improved to E.[Conclusion]There had relatively less operation wound and good clinical curative effect with subtotal corpectomy through pedicle,titanium rete supporting bone autograft and pedicle screws system fixation.

Objective To observe humoral and cellular immunogenecity of nucleic acid vaccine of hepatitis B core antigen (HBcAg) in rhesus monkeys. Methods Rhesus monkeys of the experimental group and the control group received intramuscular injections of a HBcAg nucleic acid vaccine(pJW4303/HBc) and a control plasmid (pJW4303), respectively. Anti HBc titers, isotypes of anti HBc IgG in sera of the rhesus monkeys pre and post vaccinations, and IFN ? as well as IL 4 levels in the culture supernatant of PBMC isolated from the monkeys were detected by an enzyme linked immunoabsorbent assay. HBcAg specific proliferation activities of PBMC in the monkeys were measured by 3H TdR incorporation assay. Results It was observed in rhesus monkeys of experimental group an obvious anti HBc response after immunization with HBcAg nucleic acid vaccine. The major isotypes of anti HBc IgG was IgG2 and IFN ? was predominant compared with IL 4 in the culture supernatant of rhesus monkeys' PBMC, both indicating Th1 type of immune responses. HBcAg specific proliferation activities of PBMC in the experimental group were significantly stronger than those in the control group. Conclusions The nucleic acid vaccine based on HBcAg shows a good humoral and cellular immunogenecity in rhesus monkeys.