Objective To study the retrieved human allografts pathologically in order to probe into the histological changes of implanted allograft. Methods The specimens were retrieved from seven cases between February 2003 and March 2004, and the allografts had been in situ from two to 16 months. Of seven cases, four were diagnosed primarily as malignant fibrohistocytoma of proximal humerus, osteosarcoma of femoral shaft, bone giant cell tumor of distal femur and bone giant cell tumor of proximal tibia each, which were treated with wide resection of tumor and massive allograft transplantation and internal fixation of plate or inter-locking nail; two were open comminuted fracture of distal femur, treated with massive allograft transplantation and internal fixation, underwent autograft bone transplantation because of united massive allograft, had a punch biopsy of allografts for observation; one was tibial open fracture being fixated with inter-locking nail and small segment allograft transplantation, sustained infection at two weeks after primary operation and underwent debriment, removal of internal fixation and external fixation. Results Of seven cases, five were found with bone absorption radiographically, and were classified into three types:1)sever bone absorption; 2)bone absorption associated with sinus and effusion of the wound; 3)bone absorption accompanied by pyogenic infection. The later condition was caused by bacterial infection without a relationship of allograft. And the former two conditions could be classified into two subtypes: 1)osteoclastic absorption, which was followed by new bone formation; 2)inflammatory absorption, which was found with infiltration by round inflammatory cell, preponderantly lymphocytes, and mononuclear phagocytes with few osteoclasts, osteoblasts or new bone formations. Moreover, in sever bone absorption, vascular lesions such as vasculitis, swelling of endothelial cells or proliferation changes in the vessels, and obliteration of the arteries. Conclusion An intensive infiltration accompanied by vascular lesions may be the evidences of histological changes suggestive of an immune reaction directed against the grafts, and the failure of the clinical outcomes.

Objective To investigate the feasibility and clinical significance of D2 lymphadenectomy for distal gastric cancer in which the pancreas were regarded as the central landmark. Methods 26 patients of advanced distal gastric cancer were performed D2 lymphade-nectomy centered on the pancreas from March 2012 to February 2013. The operation time, amount of bleeding,number of lymph nodes,and postoperative complications were recorded. Results All the 26 patients underwent the operation successfully. The amount of bleeding was 50~200 mL(averagely 110 mL),and the number of lymph nodes which were cleaned was 16~35 (averagely 26). One patient had intra-ab-dominal hemorrhage and one patient had lymphorrhagia after the operation,and they were cured finally. There was no local recurrence,no dis-tant metastasis,and no death case occurred during the follow-up. Conclusion D2 lymphadenectomy for distal gastric cancer with pancreas as the central landmark is safe and feasible, and it is of lower incidence of complications .

Objective ToanalyzethedistributionanddrugresistancesituationofKlebsiellapneumoniae(KPN)isolatedfromour hospital during 2014 .Methods The drug susceptibility test was carried out by the Siemens fully automatic bacterial identification /drug susceptibility test analyzer .The drug susceptibility test results were judged according to the (CLSI) M100‐S22 document (2012) .Results A total of 291 strains of KPN were detected from 8 486 submitted specimens ,in which 20 strains were multi‐drug resistant Klebsiella pneumoniae(MDR‐KPN)isolates were 213 strains ,48 strains were extended‐spectrum beta‐lactamases producing Klebsiella pneumoniae (ESBLs‐KPN) and 10 strains were carbapenem‐resistant Klebsiella pneumoniae(CR‐KPN) .The KPN detec‐tion rate had statistical difference among different specimens (P= 0 .000) .The constituent ratio of KPN isolation in the sputum specimen was highest(P=0 .000) .The KPN detection rate had statistical difference among different departments (P=0 .000) ,the constituent ratio of KPN isolation in the respiration department was highest (P=0 .000) .The resistance and sensitivity of KPN to different antibacterial drugs had statistical difference(P=0 .000) ,carbapenems had the lowest resistance rate .Conclusion KPN has relatively low resistance rate to commonly used antibacterial drugs ,its multi‐drug resistant strains are in the higher level ,which should arouse clinic and hospital infection management department must to pay attention to and adopt corresponding supervision measures .

Objective To investigate the feasibility of spleen-preserving splenic hilar lymph nodes dissection on the radical resection for advanced proximal gastric cancer. Methods Six patients with advanced proximal gastric cancer were performed D2 lymphadenectomy from May 2012 to May 2013 in our hospital. The operation time,bleeding quantity,the number of lymph nodes,postoperative complications were re-corded. Results The surgery was successful. The intraoperative blood loss was 50 ~250 mL,with the average of 120 mL. The number of lymph nodes was 3~9 after the operation with the average of 5. One patient supervened with lymphorrhagia and recovered after treatment. During the follow-up period from one month to one year, no local recurrence and distant metastasis occurred, nor the death. Conclusion Conducting theD2 lymphadenectomy for the patients with the advanced proximal gastric cancer can preserve the spleen while safely and throughly dissect the splenic hilar lymph nodes.

Objective To investigate the clinical efficacy of TongluoShu Liquid in treating rheumatoid arthritis at early stage. Methods 100 cases were randomly recruited into a control group and a treatment group with 50 cases in each group. The treatment group was given TongluoShu liquid, 150ml / time, twice a day; and the control group was given Diclofenac Sodium Sustained Release Tablets (Deegan), one granule for each time, twice a day, and Methotrexate 7.5mg / time, once per week. Results In the treatment group, symptoms, signs and biochemical indicators were significantly improved, and the swelling of the soft tissue around the joints in stage Ⅰ and Ⅱ were also reduced. Besides, osteoporosis was controlled and the progress of destruction to the cartilage of stage Ⅲ was detained, though there was no statistical difference between the two groups after the treatment. Conclusion ShuTongluo liquid is a safe and effective medicine with less adverse reactions in treating rheumatoid arthritis.

Objective To explore the effect of botulinum toxin type A(BTXA)in the treatment of early hypertrophic scars(HTS).Methods BTXA was injected into and around the eady HTS,and then the modal and histological changes of the scars as well as the clinical reaction were observed in the patient.BTXA was also injected into muscle around the incision and effect on the cicatrization observed.Results Injection of BTXA could obviously alleviate ache and pruritus of eady HTS and could impel the atrophy and inteneration of eady HTS.Changes were found in paraffin-embedded tissue section by the hemetoxylin and eosin(HE)staining.Injection of BTXA into muscle around the cut could can reduce occurrence of HTS.Conclusion BTXA can help prevent the early HTS to a certain extent.The mechanism underlying this effect may be related to the reducing the tension around scars and proliferative activity,interfering with the signal transduction of small nerves,affecting the proliferation and apoptosis of fibroblasts and subsequently decreasing the collagen synthesis.

Objective To establish a transfer model for excess relative risk (ERR) for radiation-related leukemia from Japanese population to Chinese population.Methods Combined ERR of several subtypes of leukemia published in 1994, with the corresponding leukemia baseline incidence rates obtained from Cancer Incidence in Five Continents Vol.Ⅸ (CI5-Ⅸ) for Japanese population and Chinese population, a weighted risk transfer model was employed between an additive model and a multiplicative model, to execute ERR transfer.Results A range of weighing factors was proposed for risk transfer models:weighing factor was 0.4 for male and 0.3 for female, acute lymphoblastic leukemia, acute myeloid leukemia and chronic myeloid leukemia.The uncertainty for ERR transfer was characterized by lognormal distribution.Conclusions Based on the difference of baseline incidence rate for subtypes of leukemia between Japanese population and Chinese population, the transfer model and these weighing factors discussed in the present study could be applicable to transfer ERR for radiation-related leukemia from Japanese population to Chinese population.

This article is aimed to provide a method for the simultaneous analysis of five heavy metals, including Cu, As, Pb, Cd, and Hg, in Chuanxiong Rhizoma and Gastrodiae Rhizoma through ICP-MS. Five heavy metals were determined by an inductively coupled plasma-mass spectrometry method after microwave-assisted digestion. The linear correlation coefficients were all better than 0.999. The lowest limits of quantification for all target elements were 0.003 0.134 ug·L-1, while the recovery values ranged from 80.04% 118.34%. This method was accurate, convenient, rapid, and highly sensitive, and can be applied to determine five heavy metals, including Cu, As, Pb, Cd, and Hg in Chuanxiong Rhizoma and Gastrodiae Rhizoma.

Objective To estimate the excess relative risk coefficients of stomach cancer for Chinese population attributable to ionizing radiation.Methods The excess relative risk and excess absolute risk coefficients of stomach cancer were estimated based on Life Span Study by using risk models developed by BEIR Ⅶ committee (Biological Effect of Ionizing Radiation).Guided by transportation methods from Life Span Study to Americans,we determined that transportation method for Chinese population includes both multiplicative and additive models with a weight of 0.7 and 0.3 respectively,on an arithmetic scale.Besides,curve fitting was used to obtain sex-age-specific stomach cancer baseline incidence based on Chinese cancer annual report.Then,Chinese excess relative risk coefficients of stomach cancer were obtained by substituting excess relative risk,excess absolute risk of Life Span Study and Chinese baseline incidence rate into risk transportation model.Results Excess relative risk coefficients of stomach cancer for Chinese population are 0.26/Sv for male and 0.64/Sv for female,whose exposure age is 30 years old and cancer age is 60 years old.Coefficients increase with decreased exposure age and cancer age.Conclusions Excess relative risk coefficients of stomach cancer for Chinese population are by larger higher than that of Life Span Study,and their sex-age tendency are similar.

Objective To estimate the averaged excess relative risk(ERR) in Chinese population based on the radiogenic cancer risk of leukemia in Japanese atomic bomb survivor cohort,and to discuss proper method suitable for risk transfer between populations.Methods Based on BEIR Ⅶ radiogenic cancer model and population transfer model,and the 2009 Chinese leukemia baseline rates given in 2012 Chinese Cancer Registry Annual Report,comparison was made of population incidences in seveal countries to adjust the weighting factors.Results The ERR of three subtypes of leukemia as a whole was obtained,and the weighting factors for risk transfer model was assumed.The additive factor for male was 0.2,and the multiplicative factor was 0.8,while the additive factor for female was 0.15,and the multiplicative factor was 0.85.Conclusions For the risk transfer between populations,weighting factor was adjusted as a whole to obtain the ERR value for estimating the risk to Chinese population.The risk transfer method suitable for Chinese population was obtained by using the incidence rate available for Chinese population to directly transfer radiation-induced leukemia risk to Chinese from Japanese.