Objective To explore the application of utrasonic technology-assited microsurgery resection of ventral or ventrolateral spinal schwannomas.Methods Forty patients with ventral or ventrolateral spinal schwannomas were treated by CUSA-assited microsurgery.Results The tumors were totally resected suc-cessfully acompanied by minimal blood loss and adjacent structures could avoid damaged.Preoperative and postoperative magnetic resonance imaging demonstrated complete resection in all cases.Neurological func-tions had good recovery.With follow-up of 3 months to 3 years,there was no instability of the spine or any recurrence.Conclusion utrasonic technology-assited microsurgery resection of ventral or ventrolateral spi-nal schwannomas by posterior approach appears a safe,efficient mini-invasive surgical approach,without mechanical or heat injury.

ObjectiveTo investigate the relationship between polymorphism in the PITX3 gene and hereditary susceptibility of Parkinson's disease (PD). MethodsThree PITX3 single nucleotide polymorphisms ( SNPs ),including rs2281983,rs4919621 and rs3758549 were examined in 509 late-onset PD patients ( LOPD ),290 early-onset PD(EOPD) and 494 healthy controls.Genotyping was carried out in all subjects using a ligase detection reaction( LDR).ResultsAllele and genotype frequencies did not differ between the 799 PD patients and 494 controls ( P values of genotype were 0.494,0.343,0.951 ; P values of allele were 0.369,0.297,0.823 ),between 509 LOPD patients and 494 controls ( P values of genotype were 0.522,0.350,0.630 ; P values of allele were 0.413,0.328,0.571 ),between 290 EOPD patients and 494 controls ( P values of genotype were 0.499,0.492,0.552; P values of allele were 0.321,0.301,0.931 ),and between 509 LOPD and 290 EOPD patients ( P values of genotype were 0.577,0.710,0.127 ; P values of allele were 0.346,0.472,0.077 ) for all three SNPs (rs2281983,rs4919621 and rs3758549).There were no association petween the three PITX3 SNPs and PD.ConclusionThree PITX3 SNPs do not contribute to the risk of developing PD in Chinese population.

Objective To explore the association between late-onset sporadic Parkinson' s disease (PD) and single nucleotide polymorphisms (SNPs) of Ca2+-dependent protease calpain inhibitor calpastatin (CAST) gene in a Chinese Han population.Methods 370 evaluable patients (221 male,149 female) with PD (mean age 65.2 ± 8.5 years) and 390 neurologically healthy controls (208 male,182 female) matched for gender,ethnicity,and area of residence.PD cases were identified from the PD cohort of the Chinese National Consortium on Neurodegenerative Diseases (www.chinapd.cn).A total of 24 tag-SNPs were genotyped capturing 95％ of the genetic variation across the CAST gene.Results There was no association found between any of the polymorphisms and PD in all models tested (co-dominant,dominant-effect and recessive-effect (P ＞ 0.05)).Similarly,none of the common haplotypes was associated with a risk for PD(P ＞ 0.05).Conclusion Results show no significant association between the CAST gene polymorphisms and late onset sporadic PD in the present population.

objective To explore the application of navigation-assited microsurgery resection of posterior fossa solid hemangioblastoma.Methods The data of 16 patients with posterior fossa solid hemangioblastoma treated by navigation-assited microsurgery were analyzed retrospectively,compared with 19 patiems treated by microsurgery who suffered the same disease in the similar location(control group).Results The tumors were totally resected successfully acompanied by minimal blood loss and shortening of the operation time,compared with the control group.Manipulation and removal of these tumors were actually easier,in addition,adjacent structures can avoid damage.Conclusions Navigation-assited microsurgery is useful technique to surgical resection of fossa solid hemangioblastoma by significantly reducing blood loss at the time of surgery and operation procedure time,avoiding damage to the adjacent structures,and reducing the surgery complications and mortality.

OBJECTIVE: To investigate the bone mineral density (BMD) of cervical vertebrae in a population-stratified manner and correlate with that of the lumbar vertebrae. MATERIALS AND METHODS: Five hundred and ninety-eight healthy volunteers (254 males, 344 females), ranging from 20 to 64 years of age, were recruited for volumetric BMD (vBMD) measurements by quantitative computed tomography. Basic information (age, height, weight, waistline, and hipline), and vBMD of the cervical and lumbar vertebrae (C2-7 and L2-4) were recorded. Comparisons among sex, age groups and different levels of vertebrae were analyzed using analysis of variance. Linear regression was performed for relevance of different vertebral levels. RESULTS: The vBMD of cervical and lumbar vertebrae was higher in females than males in each age group. The vBMD of the cervical and lumbar vertebrae in males and the vBMD of lumbar vertebrae in females decreased with aging. In each age group, the vBMD of the cervical vertebrae was higher than that of the lumbar vertebrae with gradual decreases from C2 to C7 except for C3; moreover, the vBMD of C6 and C7 was significantly different from that of C2-5. Correlations of vBMD among different cervical vertebrae (females: r = 0.62-0.94; males: r = 0.63-0.94) and lumbar vertebrae (males: r = 0.93-0.98; females: r = 0.82-0.97) were statistically significant at each age group. CONCLUSION: The present study provided normative data of cervical vertebrae in an age- and sex-stratified manner. Sex differences in vBMD prominently vary with age, which can be helpful to design a more comprehensive pre-operative surgical plan.
Aging ; Asian Continental Ancestry Group* ; Bone Density* ; Cervical Vertebrae ; Female ; Healthy Volunteers ; Humans ; Linear Models ; Lumbar Vertebrae* ; Male ; Sex Characteristics ; Spine

With continuous discovery of tumor immune targets and continuous changes in antibody research and development technology, antibody drugs are becoming more and more widely used in clinical practice. However, some targets are not only expressed on tumor cells, but also on red blood cells. Therefore, the clinical application of antibodies against the corresponding targets may interfere with the detection of blood transfusion compatibility, resulting in difficulty in blood matching or delay of blood transfusion. This consensus summarizes the current solutions for the interference of CD38 monoclonal antibody (CD38 mAb) in transfusion compatibility testing. After analyzing the advantages and disadvantages of different methods, polybrene and sulfhydryl reducing agents [dithiothreitol (DTT) or 2-mercaptoethanol (2-Me)], as a solution for CD38 mAb interference in blood compatibility testing, are recommended for Chinese patients, so as to eliminate blood transfusion interference produce by CD38 mAb and further provide a pre-transfusion workflow for clinicians and technicians in Department of Blood Transfusion.