Acupuncture Points ; Acupuncture Therapy ; instrumentation ; Adolescent ; Adult ; Catgut ; utilization ; Child ; Female ; Humans ; Male ; Middle Aged ; Rhinitis, Allergic ; Rhinitis, Allergic, Perennial ; therapy ; Young Adult

Lignocellulosic biomass is a promising new source of renewable biofuel that can help reduce reliance on fossil fuels.Researches have been done over the last decades.And considerable progress has been made.The abilities and pathways of natural microorganisms to produce ethanol from cellulose are different.So the researches of reconstructing and recombinating the useful genes from different strains are of great significance to improve the yield of ethanol production and reduce the cost.The characteristics and mechanisms of natural ethanologenic strains and the research progress of constructing recombinant strains was introduced and also analyzed the perspectives and challenges.

Objective To investigate the clinical characteristics of gliomas in children,and assess the value of CT and MRI for diagnosing glioma.Methods Fifty-three children under 14 years old who were admitted into department of neurosurgery of Henan Provincial People's Hospital from Jan.2001 to Dec.2006 were diagnosed as glioma.Their age and sex distribution,clinical symptoms and signs,imaging examinations and pathological examinations were retrospectively analyzed.Results 1.There were 35 males and 18 females.2.The common symptoms and signs were headache and dizziness(32 cases,60.4%),nausea and vomiting(32 cases,60.4%),balance function disorder(31cases,58.5%),episodic convulsion(6 cases,11.3%) and fundus changes(33 cases,62.3%).3.There were 24 gliomas located at supratentorial and 29 gliomas located at infertentorial in this group.4.Thirty-three cases had a CT examination(1 case was wrongly diagnosed) and 28 cases had a MRI examination(all cases were positive);The positive rate of CT for displaying these tumors was 97%,MRI was 100%.5.Pathological examination revealed gliomas in 42 cases after operation.The most common histologically confirmed tumor type reported was astrocytoma,which accounted for 40.5%(17 cases),and the second was medulloblastoma,which accounted for 31.0%(13 cases).Conclusions 1.Glioma are more frequently affected in males than females in children.2.It often occurs in cranial posterior fossa and midline,which causes the symptoms of intracranial hypertension including headache,dizziness,nausea,vomiting,fundus changes,and so on.3.It often occurs in infertentorial,which causes the symptoms of balance function disorder,since it can invade cerebellum directly or indirectly.4.CT and MRI play an important role in the diagnosis of glioma in children.MRI is more valuable than CT in glioma diagnosis.5.Histological types of glioma in children are significantly different from adults.The most common histological types are astrocytoma and medulloblastoma.

Objective To explore the relationship between digit ratio and personality among male college students of Han nationality. Methods 162 male college students of Han nationality were surveyed with Eysenck Personality Questionnaire. Measurements were taken from the middle of the basal crease to the tip of the finger by electronic vernier caliper. Personality factors scores were compared between male college students of Han nationality and normal. Finger length and digit ratio of the left hand and the right hand were compared among male college students of Han nationality. Correlation coefficient between digit ratio and personality was calculated.Results The male college students of Han nationality showed significantly lower psychoticism (4.53 ± 2. 55 ) and lie (9.64 ± 3. 55 ) than normal ( 5. 96 ± 2.84,12. 17 ± 3.57; t = - 7. 135, - 9. 085 ) , but higher neuroticism ( 12.67 ±3.94) than normal ( 10.63 ±4.44, t=6.573). The length of index finger(2D) & ring finger(4D) and ently higher than those of the right hand (71.74 ± 4. 01 ,74.85 ± 4.41,0. 8973 ± 0. 0306; P ＜ 0.05 ). There was an association of psychoticism with index finger(2D), middle finger(3D), ring finger(4D) and little finger(5D)among male college students of Han nationality ( r=0. 263,0.254,0.248,0.287,0.235,0.243,0.246,0. 283; P＜ 0. 01 ). There was an association of lie with index finger( 2D ), middle finger( 3D), the right ring finger( 4D ) & little finger(5D) among male college students of Han nationality ( r= -0. 208, -0. 213, -0. 185, -0. 226,-0.165, -0. 185; P＜ 0. 05 ). There was an association of neuroticism with the left second to fourth digit ratio ratio is found among male introvert college students of Han nationality. Digit ratio may be correlated with personality among male college students of Han nationality.

Adolescent ; Adult ; Audiometry, Pure-Tone ; Ear Protective Devices ; utilization ; Humans ; Middle Aged ; Noise, Occupational ; prevention & control ; Young Adult

Adult ; Bone Neoplasms ; Ear Canal ; Ear Neoplasms ; Female ; Humans ; Osteochondroma

Objective To explore the value of prenatal diagnosis and sonographic features of Joubert syndrome and related disease (JSRD). Methods From April 2013 to August 2013, a fetal suspected hydrocephaly and the child of the same family were studied in Southern Medical University Afifliated Shenzhen Maternity&Child Healthcare Hospital. The fetal underwent ultrasonographic imaging, magnetic resonance imaging, genetic test and autopsy. The propositus underwent magnetic resonance imaging, genetic test and clinical test. The magnetic resonance imaging and ultrasonographic imaging features of the JSRD were analysed. Results (1) Ultrasound results:′cleft sign′was detected because of the fetus cerebellar vermis dysplasia. The width of left ventricle was 2.3 cm. (2) MRI results:Both the fetal and the propositus showed′molar tooth sign′and′cleft sign′. (3) Genetic test results:Both of them had the mutations of CC2D2A gene at chromosome 4p15.32. (4) Fetal autopsy results:fetal cerebellar vermis hypoplasia and cerebellar hemispheres moved closer to the midline. (5) Clinical test result:the propositus had poor audio-visual reaction, looked instability, poor head-eye coordination, upper eyelid lifting fatigue, mental retardation and ataxia. His mouth crooked when he was crying. (6) The electroencephalogram results:the EEG with abnormal 3-4 Hz coming from occipital cortex showed poor sleep background. Frontal area launched sharp wave frequently. It was more obvious on the right area. Conclusions It is easy to diagnose JSRD according to the′molar tooth sign′,′cleft sign′,′bat wing sign′and the clinical features. The′molar tooth sign′on prenatal MRI may prompt JSRD risk, but it is not speciifc. Prenatal ultrasonographic features of cerebellar vermis hypogenesis provide some clues for the diagnosis.

OBJECTIVETo compare clinical effect of T-shaped locking internal fixation and external fixation in treating dorsal Barton's fracture,and investigate selective strategy of internal fixation.

METHODSFrom January 2008 to January 2013, 100 patients with dorsal Barton's fracture were randomly divided into two groups. In treatment group, there were 30 males and 20 females with an average age of (33.8±3.6) years old;30 cases were type B, 20 cases were type C;and treated with T-shaped locking internal fixation. In control group, there were 32 male and 18 females with an average age of (32.9±3.4) years old; 29 cases were type B, 21 cases were type C; and treated with external fixation. Volar tilt, ulnar deviation and radial height at 3 months after operation were detected and compared between two groups. Mechara functional evaluation were used to evaluate postoperative clinical effects. Clinical cure time, postoperative complications,joint mobility and function score were recorded and compared between two groups.

RESULTSIn treatment group,volar tilt was (11.9±2.7)°, ulnar deviation was (20.8+ 2.9)°,and radial height was (10.9±1.8) mm; while volar tilt was (9.1±1.6)°, ulnar deviation was (17.1±2.9)°, and radial height was (8.1±1.5) mm in control group. Treatment group was better than control group in volar tilt, ulnar deviation and radial height. Clinical cure time in treatment group was(12.0±2.3) weeks, shorter than control group (18.0±4.1) weeks. The incidence of complications in treatment group was lower than control group. According to Mehara functional evaluation,20 cases got excellent results, 25 good, 3 moderate and 2 poor in treatment group; 16 cases got excellent results, 14 good, 10 moderate and 10 poor in control group. Treatment group was better than control group in clinical effects.

CONCLUSIONT-shaped locking internal fixation with postoperative functional exercise for the treatment of dorsal Barton's fracture fits for biomechanics demands,and has advantages of stable fixation,rapid recovery, less complications and good functional recovery, it has better clinical effects.

Adult ; Bone Plates ; Case-Control Studies ; Female ; Fracture Fixation ; instrumentation ; Fracture Fixation, Internal ; instrumentation ; Humans ; Male ; Radius Fractures ; surgery ; Wrist Injuries ; surgery

Adult ; Female ; Hearing Loss, Sensorineural ; complications ; Humans ; Mitochondrial Encephalomyopathies ; complications

Objective To investigate the effect of the courses of image diagnostics on clinical pro-bation period via the combination of PBL and multimedia network teaching model. Methods 126 under-graduates from the department of medical image (Grade 2011 and 2012) were selected as teaching subjects, and PBL combined with multimedia network teaching was adopted in the teaching of the course of medical imaging diagnosis. After class we implemented a questionnaire survey, and let the students write learning experience. Statistical analysis was conducted by using SSPS 13.0 to reflect the teaching participation in the students' questionnaire and a. summary analysis of the learning experience of the students was also made. Results 123 valid questionnaires were collected. 94.31%(116 people) of students were active participants in these courses, 90.25%(111 people) of the students thought they could actively communicate in teaching, and 43% (110 people) of the students thought they got fully prepared before class. 123 articles in accor-dance with the requirements of experience were received; most students took positive attitude to the active influence the teaching methods had brought; some student pointed out that the teaching method had the disadvantages such as too much time to prepare, too much information, and so on. Conclusions The com-bination of PBL and multimedia network teaching has preliminary results. It is a novel model that is available for teaching image diagnostics on clinical probation period.