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1.
Article in Chinese | WPRIM | ID: wpr-910102

ABSTRACT

Objective:To compare the values of medical image technologies in evaluating the tansperineal laser ablation (TPLA) in canine prostate.Methods:TPLA (3 W/600 J and 3 W/1 200 J) were operated in the prostate of six adult male beagles guided by transrectal ultrasound (TRUS). TRUS, transrectal contrast-enhanced ultrasound (TR-CEUS) and multiparameter magnetic resonance imaging (mpMRI) were used to evaluate the ablation on the day of TPLA, one week and one month after TPLA. The animals were sacrificed for pathology to calculate the volume of the ablation. SPSS 22.0 software was used for statistical analysis.Results:TRUS could be used to guide and observe the puncture and ablation process during TPLA. TR-CEUS and contrast enhanced MRI showed good consistency in the volume of ablation ( P>0.05). One month after TPLA, the ablation volume were (1.69±0.51)ml vs (1.73±0.36)ml vs (1.52±0.41)ml (3 W/600 J) and (2.23±0.54)ml vs (2.34±0.29)ml vs (2.19±0.34)ml (3 W/1 200 J) measured by the two medical image technologies and pathology, with good consistency ( P>0.05). Conclusions:TRUS can be used to guide and observe the puncture and ablation process during TPLA. TR-CEUS and mpMRI can be used for postoperative evaluation and follow-up of TPLA. The former has advantages of real-time and low price, which can be promoted and applied in clinical practice.

2.
Article in Chinese | WPRIM | ID: wpr-404375

ABSTRACT

BACKGROUND: The human leucocyte antigen (HLA) allele are now understood to be alternative DNA sequences at the same physical gene locus, which may or may not result in different phenotypic traits. The generation of a new allele is induced by various factors, but, whether the mutation would be exist after removing the causative factors need further investigation. OBJECTIVE: To confirm the new allele by DNA sequencing technique, in addition, to analyze the heritage of a HLA allele A~*9217 (No. of WHO registration: WHS10004629)DESIGN, TIME AND SETTING: The open experiment with DNA as observation object. The initial detection with polymerase chain reaction sequence-specific oligonucleotide (PCR-SSO) was performed at HLA Laboratory of Henan Provincial Red Cross Blood Center in November 2007, and the sequencing was performed at HLA Laboratory of DYNAL Biological Technology (Beijing) Co., Ltd. in February, 2008. MATERIALS: The proband (sample ID: 371xxxxx ) and other 8 family member was investigated, blood sample was collected at the HLA Laboratory.METHODS: Nine family members of A~*9217 carrier were typing for HLA- A, B, DRB1 using PCR-SSO and SBT methods for low-media and high resolution, and 3 red blood cell blood groups systems: ABO, MN and Rh was tested to assist analysis .MAIN OUTCOME MEASURES: Sequence alignment of HLA-A exon 3 in A~*9217 carriers.RESULTS: According to the results of the blood groups phonotype of ABO, MN, Rh systems and HLA, the new allele A~*9217 of the proband was paternal origin. However, the sequence of this allele is A*020301, which had 3 base difference in exon 3, the new allele appears 3 base change at 391 T>G, 414 C>G, 418 T>G, and this new sequence was found in proband's two children.CONCLUSION: The new allele A~*9217 is generated from proband's father mutation, which can pass it to his children. However, the further heritage of A~*9217 allele need exploring.

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