AIM: To retrospectively analyze the effect of different surgical treatment on intraocular foreign bodies, according to different types and position.
METHODS: Clinical data of 46 cases diagnosed with intraocular foreign bodies from June 2010 to April 2013 were retrospectively analyzed.
RESULTS:Intraocular foreign bodies in anterior segment could be removed or magnetically attracted directly, intraocular foreign bodies in posterior segment could be attracted if there was accurate location. Vitrectomis was more favorable for the non magnetic or intraocular foreign bodies in posterior segment. In 46 cases, all intraocular foreign bodies ( 100%) in posterior segment were removed successfully. Among them the functional cure in 33 cases ( 72%) , the anatomical cure in 12 cases ( 26%) , discharged in 1 case (2%).
CONCLUSION:The aim of operation is to reconstruct of eyeball structure preserve and restore visual function. We should find more appropriate mode of operation and timing of surgery according to the foreign bodies'different types and injury of eyeball, reduce complications, preservation eyeball and improve visual function.

[Summary] With the development of diagnosis and treatment levels and the improvement of survival rates of breast cancer , related lymphedema has received increasing attention .In a long term, it is regarded as the primary complication after the breast cancer therapy , which affects the quality of life of patients .Due to lack of consensus in many aspects worldwide , it continues to be a challenge to diagnose and treat the disease .This article aimed to summarize the diagnosis and therapeutics of breast cancer related lymphedema .

Objective:To explore the clinical diagnosis and treatment methods for nasal septum malignancies. Methods:A retrospective study of seven cases of primary nasal septum malignancy was conducted. These cases were treated at the Tianjin First Central Hospital between February 1993 and October 2009. Results:Among the seven cases, one was reported malignant lymphoma, which underwent chemotherapy and radiation therapy;the other six malignant tumors included three cases of adenoid cystic carcinoma, one malignant melanoma, one chondrosarcoma, and one papilloma. Patients were treated by nasal endoscopy, external approach, lip midline incision, overturned facial surgery, chemotherapy, and radiation. During follow-up, which lasted for 2 years to 16 years from time of surgery, two fatalities resulting from recurrence or metastasis were recorded. One of these fatalities occurred after 2 years, and the other was recorded at 3 years and 4 months after surgery. Four patients survived without recurrence. Conclusion:The key treatment for nasal septum malignancies was one-time radical resection. Combined postoperative treatment and follow-up should be conducted.

This paper is discussed about course system construction of Microbiology, teaching method, in- struction means and experimental teaching mode. Teaching practice indicated that reform the pattern of Mi- crobiology educational mode can stimulate students’ interest in studying the course, cultivate their inde- pendent ability to solve questions, develop their creative thinking. It is an important way to train high-caliber talents.

Actins ; metabolism ; Adenoma, Pleomorphic ; congenital ; metabolism ; pathology ; surgery ; Diagnosis, Differential ; Fibrosarcoma ; metabolism ; pathology ; Humans ; Infant ; Male ; Nasopharyngeal Neoplasms ; congenital ; metabolism ; pathology ; surgery ; Rhabdomyosarcoma ; metabolism ; pathology ; Salivary Gland Neoplasms ; congenital ; metabolism ; pathology ; surgery ; Vimentin ; metabolism

Objective To explore the correlation between CT perfusion imaging parameters and differentiation degree of gastric cancer.Methods Fifty patients with gastric cancer proved by surgery and pathology underwent 64-slice spiral CT perfusion imaging before surgery,and the CT perfusion parameters were obtained including blood flow(BF),blood volume(BV),mean transit time (MTT)and permeability surface(PS).The patients were divided into 3 groups (well,moderate and poor differentiation)according to the degree of cell differentiation.Statistical analysis was performed by using the SPSS 17.0 statistics software.Results The perfusion parameters of BF (mL·min-1 ·100 g-1 ),BV (mL/100 g),MTT (s)and PS (mL·min-1 ·100 g-1 )were as follows:75.28±6.81,9.01± 0.94,9.89±1.65 and 10.05±0.71 in well differentiation group with 10 patients (20%),110.01±31.90,18.18±5.62,9.81±3.69 and 40.08±1 5.82 in moderate differentiation group with 24 patients (48%),138.59±38.09,21.08±4.1 1,9.47 ±1.80 and 57.50± 13.28 in poor differentiation group with 1 6 patients (32%)respectively.Among three groups,there were statistic differences in BF, BV and PS between well differentiation group and moderate differentiation group or low differentiation group (P <0.05),however there was no statistic difference in MTT among three groups (P >0.05).Conclusion The BF,BV and PS values may be regarded as the evaluation index for malignant degree of gastric cancer.

Objective To evaluate the efficiency of levonorgestrel-releasing intrauterine system (LNG-IUS) in the treatment of recurrent endometriosis after conservative surgery or conservative surgery combined with medical treatment. Methods Twenty-three patients with recurrent endometriosis after conservative surgery or conservative surgery combined with medical treatment were treated by LNG-IUS. All patients rejected further operation and had no desire of fertility. The visual analogue scale (VAS) scores of pain, menstrual model, weight and serum CA125 level and the volume of ovarian endometriotic cysts before and after 3, 6, 12, 24 and 36 months of treatment were recorded and compared. Results ( 1 ) VAS score:after 12 months of using LNG-IUS, dysmenorrheal, chronic pelvic pain or dyspareunia were relieved significantly. VAS score were dropped from 5.9 ± 2. 3,4. 3 ± 2.0 to 1.0 ± 0. 7,1.4 ± 1. 1 ( P ＜ 0. 01 ). ( 2 )Volum of cysts :after 6 months of using LNG-IUS, the volume of recurrent ovarian endometriotic cysts in 11 patients were reduced from ( 11.4 ± 6. 1 ) em3 to ( 5. 5 ± 3.4 ) em3 significantly ( P ＜ 0. 01 ). At 12 months of follow-up, it suggested that 2 patients' ovarian endometriotic cysts disappeared. At 24 months follow-up,9 patients ovarian endometriotic cysts disappeared ( 3 ) CA125: serum CA125 decreased from ( 65.5 ± 19. 6 )kU/L to (42. 1 ± 13.6) kU/L at 6 months after treatment remarkably (P ＜ 0. 01 ). Continued to decrease after 12 months and then become steady. Irregular bleeding and spotting was the main side effects, weight gain was also observed in few patients. Conclusions LNG-IUS could be used in treatment of recurrent endometriosis after conservative surgery or conservative surgery combined with medical treatment effectively. It could relieve pain, reduce the level of CA125 and decrease the size of ovarian endometriotic cysts. LNG-IUS seems to be an effective, safe, and long term treatment for endometriosis with fewer side effects and better compliance.

This study aims to construct a eukaryotic expression system for envelope gene of Jaagsiekte sheep retrovirus, observes its localization in 293T cells, and investigates the potential in inducing malignant transformation of NIH3T3 cells. By RT-PCR, the full-length cDNA of envelope gene of Jaagsiekte sheep retrovirus (exJSRV-env) was amplified from the extract of naturally infected sheep lung. The clone of target gene was sub-cloned into eukaryotic expression system pEGFP-C1, and validated by PCR, restriction endonuclease, and sequencing. Bioinformatic analysis concerning biological function and cellular localiza tion of exJSRV-env was also performed. The recombinant clone of exJSRV-env was transfected into 293T cells and NIH3T3 cells by Lipofectamine LTX. The expression and celluar localization in 293T cells were validated by confocal microscopy. Soft agar colony formation assay was employed to test the anchorage-independent growth of NIH3T3. DNA sequencing and restriction enzyme digestion with Kpn I and Hind III indicated the correct construction of the recombinant plasmid, which was named pEGFP-C1/exJSRV-env. Amino acid sequence alignment of exJSRV-env with reference sequences found 85%-100% homogeneity. A YRNM motif was discovered at the cytoplasmic tail of envelope gene, which is exclusively found in exogenous viruses. Phylogenetic tree analysis showed that our clone of exJSRV-env clustered closely with pathogenic exogenous Jaagsiekte sheep retroviruses. Fluorescence microscopy indicated typical membrane localization of exJSRV-env protein. NIH3T3 cells transfected with exJSRV-env lost contact inhibition, and acquired colony forming ability in soft agar. This study indicated that envelope protein of Jaagsiekte sheep retrovirus can induce malignant transformation of mouse fibroblast cell NIH3T3. Discoveries of this study provide a basis for further structural and functional research on Jaagsiekte sheep retrovirus envelope protein.
Amino Acid Sequence ; Animals ; Betaretrovirus ; chemistry ; classification ; genetics ; physiology ; Cell Transformation, Viral ; Green Fluorescent Proteins ; genetics ; metabolism ; Mice ; Molecular Sequence Data ; NIH 3T3 Cells ; Phylogeny ; Retroviridae Infections ; veterinary ; virology ; Sequence Alignment ; Sheep ; Sheep Diseases ; virology ; Transformation, Genetic ; Tumor Virus Infections ; veterinary ; virology ; Viral Envelope Proteins ; chemistry ; genetics ; metabolism

The study of brain-machine interfaces ( BMI) based on humans or animals is expected to improve the living conditions of patients with brain injury, nervous system disease and limb movement disorders.Considerable progress has been made over the past ten years, which is gradually being used to address the long-term and stability issues of BMIs technology.The result of study on safety and security of BMIs has led to the appearance of brain control animals.In this paper, the development of BMI technology and the application prospects of brain control animals are reviewed.

Objective To study the clinical features of acute limited neck motion in children and its differential diagnosis, and to improve doctors' awareness and the early diagnosis of the disease.Methods A total of 420 patients with acute limited neck motion as the chief complaint and atlantoaxial rotary subluxation as the first diagnosis between January 2005 and January 2014 in Nanjing Children's Hospital Affiliated to Nanjing Medical University were enrolled.The clinical manifestations, imaging and consultation data of the 420 patients were retrospectively analyzed.Results There were totally 248 male patients and 172 female patients.The ages ranged from 2 to 14 years old(the mean age was 7.2 years old) ,the course ranged from 2 hours to 2 days.Among 420 patients,353 patients were diagnosed as atlantoaxial rotatory subluxation.Forty-two patients were diagnosed as cervical intervertebral disc calcification.Seven patients were diagnosed as Tourette syndrome.Four patients were diagnosed as intracranial tumors.Three patients were diagnosed as cervical eosinophilic granuloma.Two patients were diagnosed as cervical spinal tuberculosis.Two patients were diagnosed as viral encephalitis.Two patients were diagnosed as benign paroxysmal torticollis.Two patients were diagnosed as Kawasaki disease.One patient was diagnosed as neuroblastoma.One patient was diagnosed as hemophilia A.One patient was diagnosed as drug adverse reaction of metoclopramide.According to Fielding clinical classification,204 patients were type Ⅰ, 122 patients were type Ⅱ,21 patients were type Ⅲ, and 6 patients were type Ⅳ.Conclusions Based on disease distribution of acute limited neck motion in children, atlantoaxial rotatory subluxation seems to be the predominant while non-atlantoaxial rotatory subluxation is not uncommon.Differential diagnoses should be considered to avoid misdiagnosis.For atlantoaxial rotatory subluxation, conservative treatment including continuous mandible occipital belt traction and brace has been proved to be very effective methods.