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1.
Chinese Journal of Urology ; (12): 760-765, 2017.
Article in Chinese | WPRIM | ID: wpr-659433

ABSTRACT

Objective To describe our experience with the transvaginal natural orifice transluminal endoscopic surgery (NOTES) in female patients,and to evaluate its clinical value.Methods Between May 2010 and April 2017,a total of 289 female patients underwent transvaginal NOTES in our center,including 31cases of adrenal tumors,46 cases of renal tumors,188 cases of non-functional kidneys,5 cases of renal cysts,4 cases of duplex kidney,7 cases of renal tuberculosis and 8 cases of renal pelvis tumors.Among them,146 cases were on the left side,142 cases on the right side,and 1 case on both sides (renal cysts).The median age was 39.4 (range 23 to 76) years,and the median body mass index was 21.8(range 15.4 to 32.6) kg/m2.After general anesthesia,the patients were positioned in lithotomy with ipsilateral lumbar at 30°-60° angle to the floor.Hybrid and pure transvaginal NOTES were performed.The specimen was removed through an extended incision at the posterior vaginal fornix.Results Transvaginal NOTES was successfully completed in 281 patients.Two patients required conversion to suprapubic-assisted laparoendoscopic single-site surgery because of the rectal injury in pure transvaginal NOTES nephrectomy.Six patients underwent open conversion.The various transvaginal hybrid NOTES procedures included adrenalectomy (31 cases),nephrectomy (206 cases;simple 174 cases,radical 32 cases),partial nephrectomy (13 cases),heminephroureterctomy for duplex kidney (4 cases) and hybrid endoscopy for nephroureterectomy (7 cases).The mean operative time was 105 min (45-310 min),the mean estimated blood loss was 87 ml (20-800 ml),the mean visual analogue score (VAS) of 48 hours after operation was 2.5 (1-4) points and the mean hospitalization was 7.3 d (4-13 d) for transvaginal hybrid NOTES.The various pure transvaginal NOTES procedures included nephrectomy (22 cases;simple 21,radical 1),renal cyst excision (5 cases).The mean operative time was 170 min (60-320 min),the mean estimated blood loss was 140 ml (20-500 ml),the mean VAS of 48 hours after operation was 1.7 (1-3) points and the mean hospitalization was 5.5 d (3-10 d) for transvaginal pure NOTES.Complications occurred in 56 cases (19.38%),including 20 cases (6.92%) of severe complications,and no death occurred.After a mean follow-up of 51 (range 3 to 86) months,umbilicus scar was hidden.The incision in the vagina healed well.No infection in the abdominal or pelvic cavity or celiocele occurred.The umbilicus scar is not obvious after surgery,and 3 months after surgery.The median Patient Scar Assessment Questionnaire (PSAQ) score was 38 (31-58) and the median Female Sexual Function Index (FSFI) score was 28.2 (22.5-32.2),and the quality of life index was significantly higher than that of preoperation.Condusions Transvaginal NOTES could treat variousprimary diseases,and improve the postoperative quality of life.It does not increase the incidence of related complications,or cause negative effect on the female sexual function,pregnancy or fertility.It can lead to good cosmetic outcome and less pain,which is worth applying in clinical practice.

2.
Chinese Journal of Urology ; (12): 683-686, 2017.
Article in Chinese | WPRIM | ID: wpr-658729

ABSTRACT

Objective To analyze the incidence of urinary stone formation in the contralateral kidney of unilateral nephrectomy patients.Methods 1048 patients,including 596 males and 452 females,underwent unilateral nephrectomy from June 2010 to June 2016.Their age ranged from 16-87 years old (mean 58.7 years old).532 patients combined with components of metabolic syndrome and 213 patients with metabolic syndrome.164 patients had a previous history of urolithiasis.The incidence of urinary stone formation in the contralateral kidney after nephrectomy was recorded and analyzed.The urolithiasis incidences in different gender,age,comorbidity and history of urolithiasis patients after uninephrectomy were compared.Results All patients were followed up within 0.5 to 6 years (mean 3.2 years).89 patients suffered from urinary stones in the contralateral kidney after uninephrectomy.The incidence of urinary stone formation in the contralateral kidney was 8.5% (89/1048),which was higher than that in general population of China.1%-5%.The urolithiasis incidence was 9.1% (54/596)in male patients and 7.7% (35/452)in female patients after nephrectomy.The incidence of urinary stone formation was 8.6% (3/35)in patients aged under 30 years old,12.5% (34/272) in patients aged 30-49 years old,7.3% (37/504) in patients aged 50-69 years old,6.3% (15/237)in patients aged 70 and over.The incidence of urinary stone formation was 12.2% (65/532) in patients with components of metabolic syndrome after nephrectomy and 19.7% (42/213) in patients with metabolic syndrome,while the incidence was 4.7% (24/516)in patients without components of metabolic syndrome.In patients with history of urolithiasis,the incidence was up to 30.5% (50/164) after nephrectomy,while 4.4% (39/884)in patients without history of urolithiasis.Conclusions The incidence of urinary stone formation in the contralateral kidney of uninephrectomy patients was higher,especially in patients with metabolic syndrome or urolithiasis history.Patients after unilateral nephrectomy are more vulnerable to urolithiasis.

3.
Chinese Journal of Urology ; (12): 760-765, 2017.
Article in Chinese | WPRIM | ID: wpr-662120

ABSTRACT

Objective To describe our experience with the transvaginal natural orifice transluminal endoscopic surgery (NOTES) in female patients,and to evaluate its clinical value.Methods Between May 2010 and April 2017,a total of 289 female patients underwent transvaginal NOTES in our center,including 31cases of adrenal tumors,46 cases of renal tumors,188 cases of non-functional kidneys,5 cases of renal cysts,4 cases of duplex kidney,7 cases of renal tuberculosis and 8 cases of renal pelvis tumors.Among them,146 cases were on the left side,142 cases on the right side,and 1 case on both sides (renal cysts).The median age was 39.4 (range 23 to 76) years,and the median body mass index was 21.8(range 15.4 to 32.6) kg/m2.After general anesthesia,the patients were positioned in lithotomy with ipsilateral lumbar at 30°-60° angle to the floor.Hybrid and pure transvaginal NOTES were performed.The specimen was removed through an extended incision at the posterior vaginal fornix.Results Transvaginal NOTES was successfully completed in 281 patients.Two patients required conversion to suprapubic-assisted laparoendoscopic single-site surgery because of the rectal injury in pure transvaginal NOTES nephrectomy.Six patients underwent open conversion.The various transvaginal hybrid NOTES procedures included adrenalectomy (31 cases),nephrectomy (206 cases;simple 174 cases,radical 32 cases),partial nephrectomy (13 cases),heminephroureterctomy for duplex kidney (4 cases) and hybrid endoscopy for nephroureterectomy (7 cases).The mean operative time was 105 min (45-310 min),the mean estimated blood loss was 87 ml (20-800 ml),the mean visual analogue score (VAS) of 48 hours after operation was 2.5 (1-4) points and the mean hospitalization was 7.3 d (4-13 d) for transvaginal hybrid NOTES.The various pure transvaginal NOTES procedures included nephrectomy (22 cases;simple 21,radical 1),renal cyst excision (5 cases).The mean operative time was 170 min (60-320 min),the mean estimated blood loss was 140 ml (20-500 ml),the mean VAS of 48 hours after operation was 1.7 (1-3) points and the mean hospitalization was 5.5 d (3-10 d) for transvaginal pure NOTES.Complications occurred in 56 cases (19.38%),including 20 cases (6.92%) of severe complications,and no death occurred.After a mean follow-up of 51 (range 3 to 86) months,umbilicus scar was hidden.The incision in the vagina healed well.No infection in the abdominal or pelvic cavity or celiocele occurred.The umbilicus scar is not obvious after surgery,and 3 months after surgery.The median Patient Scar Assessment Questionnaire (PSAQ) score was 38 (31-58) and the median Female Sexual Function Index (FSFI) score was 28.2 (22.5-32.2),and the quality of life index was significantly higher than that of preoperation.Condusions Transvaginal NOTES could treat variousprimary diseases,and improve the postoperative quality of life.It does not increase the incidence of related complications,or cause negative effect on the female sexual function,pregnancy or fertility.It can lead to good cosmetic outcome and less pain,which is worth applying in clinical practice.

4.
Chinese Journal of Urology ; (12): 683-686, 2017.
Article in Chinese | WPRIM | ID: wpr-661648

ABSTRACT

Objective To analyze the incidence of urinary stone formation in the contralateral kidney of unilateral nephrectomy patients.Methods 1048 patients,including 596 males and 452 females,underwent unilateral nephrectomy from June 2010 to June 2016.Their age ranged from 16-87 years old (mean 58.7 years old).532 patients combined with components of metabolic syndrome and 213 patients with metabolic syndrome.164 patients had a previous history of urolithiasis.The incidence of urinary stone formation in the contralateral kidney after nephrectomy was recorded and analyzed.The urolithiasis incidences in different gender,age,comorbidity and history of urolithiasis patients after uninephrectomy were compared.Results All patients were followed up within 0.5 to 6 years (mean 3.2 years).89 patients suffered from urinary stones in the contralateral kidney after uninephrectomy.The incidence of urinary stone formation in the contralateral kidney was 8.5% (89/1048),which was higher than that in general population of China.1%-5%.The urolithiasis incidence was 9.1% (54/596)in male patients and 7.7% (35/452)in female patients after nephrectomy.The incidence of urinary stone formation was 8.6% (3/35)in patients aged under 30 years old,12.5% (34/272) in patients aged 30-49 years old,7.3% (37/504) in patients aged 50-69 years old,6.3% (15/237)in patients aged 70 and over.The incidence of urinary stone formation was 12.2% (65/532) in patients with components of metabolic syndrome after nephrectomy and 19.7% (42/213) in patients with metabolic syndrome,while the incidence was 4.7% (24/516)in patients without components of metabolic syndrome.In patients with history of urolithiasis,the incidence was up to 30.5% (50/164) after nephrectomy,while 4.4% (39/884)in patients without history of urolithiasis.Conclusions The incidence of urinary stone formation in the contralateral kidney of uninephrectomy patients was higher,especially in patients with metabolic syndrome or urolithiasis history.Patients after unilateral nephrectomy are more vulnerable to urolithiasis.

5.
Article in Chinese | WPRIM | ID: wpr-507423

ABSTRACT

Objective To explore the doctor-nurse integrated health care management model in perioperative nursing management of transvaginal natural orifice transluminal endoscopic surgery (NOTES). Methods A total of 70 female patients underwent transvaginal NOTES. All patients were randomly divided into the control and the study groups. The control group adopted the traditional model of care, and the study group implemented a layered panel system of integrated health care nursing mode, which consisted of three lines (leader), second line, front-line doctors, anesthesiologists consisting of the doctor series and secondary responsibility leader, a responsibility of nurses, operating room nurses laparoscopy group traveling together constituted a series of nurses′ health care integration of the health care team. The average length of stay, preoperative waiting days, awareness of the disease, early postoperative activities and reasonable diet, patient satisfaction with care, doctors′ satisfaction with nurses′ operation and overall satisfaction with health care work were compared. Results The preoperative waiting days, average length of stay, surgical satisfaction, patients′ satisfaction, doctors-nurses′overall satisfaction in the study group were (3.95±0.51) d, (11.58±1.83) d, (95.48±3.82)%, (99.26± 0.61)%, (96.33±0.29)%, the control group were (5.50±0.68) d, (15.79±2.14) d, (82.08±7.21)%, (92.18± 3.54)%, (80.03 ± 5.88)%, the differences were statistically significant (t=-4.431-6.172, P 0.05). Conclusions The implementation ofdoctor-nurse integrated health carenew model can optimize the collocation of medical health care integration, enhance the quality of care, improve patient experience, and improve patients′and doctors′satisfaction for nursing work.

6.
Chinese Journal of Urology ; (12): 647-651, 2016.
Article in Chinese | WPRIM | ID: wpr-503750

ABSTRACT

Objective To analyze the complications of transvaginal natural orifice transluminal endoscopic surgery( TV-NOTES) nephrectomy, and to explore effective measures to prevent and manage those complication.Methods From May 2010 to January 2015, a total of 178 females who had been married and given birth underwent TV-NOTES nephrectomy in our center.The average age was 47 ( ranging 23 to 71 ) years and the average BMI was 23.6 ( ranging 14.7 to 31.9 ) kg/m2.Pathological diagnosis included 142 cases of non-functional kidneys, 29 cases of renal tumors ( T1 N0-1 M0 25 cases, T2 N0-1 M0 4 cases) , and 7 cases of renal tuberculosis.One hundred and sixty hybrid TV-NOTES nephrectomy procedures (simple in 132, radical in 28) and 18 pure TV-NOTES nephrectomy procedures (simple in 17, radical in 1) were performed.Intraoperative and postoperative complications were graded according to Satava and Clavien-Dindo grade classifications.The major complications and relative treatments were analyzed.Results Among the 178 TV-NOTES nephrectomy procedures, there were 40 ( 22.5%) complications occurred, including 13 (7.3%) major complications, in which there were 11 cases of intraoperative complications (6.2%),2 cases of postoperative complications (1.1%).All the complications were successfully managed using organ repair or resection, embolectomy, hemostasis, and so on.No intraoperative and postoperative deaths occurred.There was no significant difference in major complications between hybrid TV-NOTES and pure TV-NOTES nephrectomy (6.9%vs.11.1%, P=0.620).The intraoperative major complications in the early developmental stage of TV-NOTES nephrectomy were more than that of the late stage (20.0%vs.3.4%, P=0.004).There was no significant difference in postoperative complications between the early and late developmental stage of TV-NOTES nephrectomy (13.3%vs.10.8%, P=0.751).Conclusions TV-NOTES nephrectomy is safe and feasible, but there are some major complications worthy of attention.Personal prevent and treatment strategy should be considered.

7.
Chinese Journal of Urology ; (12): 531-534, 2014.
Article in Chinese | WPRIM | ID: wpr-454198

ABSTRACT

Objective To investigate the impact of transvaginal natural orifice transluminal endo-scopic surgery(NOTES)-assisted laparoscopic nephrectomy on female sexual function and quality of life . Methods This was a prospective study on the change of female sexual function and quality of life of female patients who underwent transvaginal NOTES-assisted laparoscopic nephrectomy from May .2011 to Nov. 2012.A total of 42 cases were included in this study (28 of them with severe hydronephrosis , non-functio-ning kidney , 11 with pyelonephrosis , 1 with renal tuberculosis , 1 with duplex kidney complicated with hy-dronephrosis, and 1 with renal angiomyolipoma ).The mean age was 36.9±5.3 (26-45) years, and the mean body mass index was 21.7±2.6 (14.7 to 27.1) kg/m2.Twenty-four cases were operated on the left side, 18 cases on the right .The female sexual function and quality of life were assessed before and 4 months, 7 months and 1 year after surgery using the Female Sexual Function Index (FSFI) questionnaire and the MOS 36-item Short-Form Health Survey (SF-36), respectively. Results The mean FSFI of 42 cases preoperatively and 4 months, 7 months and 1 yr postoperatively were 27.74 ±4.34, 27.19 ±4.49, 28.54±4.23, and 28.68 ±4.19, respectively.There was no statistically significant difference among them (F=1.111, P=0.346).Compared with that of preoperation , the physical function, vitality, metal health, body pain, and general health of the patients were improved , but the role-physical, role-emotion and social function were not improved at postoperative month 4 and month 7 (P<0.05).Each item of SF-36 was im-proved after postoperative 1 year ( P<0.05) . Conclusions Transvaginal NOTES-assisted laparoscopic ne-phrectomy does not cause negative effect on the female sexual function .The quality of life can be improved after operation .The physical function is improved at early stage , and the psychological function as well .

8.
Article in Chinese | WPRIM | ID: wpr-444196

ABSTRACT

Objective To explore the measure of the peri-operative care in patients undergoing nephroureterectomy with transvaginal NOTES-assisted hybrid endoscopy.Methods Nursing measures and the effect of 3 patients who underwent transvaginal NOTES-assisted hybrid endoscopy in nephroureterectomy were retrospectively analyzed.Results All procedures were successfully completed.There were no intraoperative or postoperative complications.All patients were cured and discharged.Conclusions For the patients receiving transvnginal NOTES-assisted hybrid endoscopy in nephroureterectomy,good psychological care,adequate preoperative preparation,postoperative care,and health education can reduce postoperative complications and play an important role in the success of the operation.

9.
Chinese Journal of Urology ; (12): 810-813, 2010.
Article in Chinese | WPRIM | ID: wpr-385169

ABSTRACT

Objective To describe the initial clinical experience of transvaginal NOTES-assisted laparoscopic nephrectomy. Methods From May to June 2010, 4 female patients with non-functioning kidney and 1 female patient with renal tuberculosis underwent transvaginal NOTES-assisted laparoscopic nephrectomy. The median age was 41 years (range 36 to 63). Three lesions were on the right side, and 2 on the left. After induction of general anesthesia, the patients were positioned in lithotomy with ipsilateral lumbar at 60° angle to the operating table. A 5 mm Trocar and a 10 mm Trocar were placed through the umbilicus, and a 10 mm Trocar for 30° laparoscope was placed through the posterior vaginal fornix under direct vision. The kidneys were put into a home-made bag and removed via the incision of posterior vaginal fornix after there were completely resected. Results The 5 procedures were successfully finished. The median operative time was 190 (range 150 to 260)min. The median estimated blood loss was 185 (range 150 to 210) ml. There were no intra-operative or postoperative complications. The patients resumed ambulation 1 day after surgery, and resumed nutrition 2 days after surgery. The drainages were removed on postoperactive day 3. The patients were discharged on postoperative day 7. The incision in vagina healed well. Conclusions Transvaginal NOTES-assisted laparoscopic nephrectomy is feasible and reproducible. This novel technique may provide additional benefits related to postoperative pain, recovery, and cosmetic results even when compared to today's minimally invasive procedures.

10.
Article in Chinese | WPRIM | ID: wpr-404506

ABSTRACT

Bladder tissue engineering includes three components, namely cell scaffold, seeding cells and message factor. Seeding cells is essential to construct tissue engineering organs and is the native material of organ reconstruction. It is important to find a seeding cell which can not only provide excellent biocompatibility, but also can generate enough cells in work of organ reconstruction. At present, there are some commonly used seeding cells, for example, urinary bladder transitional epithelial cells,smooth muscle cells, coculture of smooth muscle cells and transitional epithelial cells, mesenchymal stem cells. Among the total,coculture of smooth muscle cells and transitional epithelial cells and mesenchymal stern cells are better than the others. The current problems of seeding cells are as follows: ①The mature cells that have been completely differentiated are limited in source and immunological rejection. ② The mature cells that have been completely differentiated during the differentiated only can generate in the limited passage culture procedure and they will age and die out of the passage maximum; in addition, the dedifferentiation also exists; ③further analysis should focus on the coculture of smooth muscle cells and transitional epithelial cells and mesenchymal stem cells into normal bladder.

11.
Chinese Journal of Radiology ; (12): 688-692, 2009.
Article in Chinese | WPRIM | ID: wpr-394079

ABSTRACT

Objective To characterize the feasibility of low-dose CT angingraphy on 16-slice multislice computed tomography (16-MSCT), and its relationship to the noise in the pre-contrast image and enhancement value.Methods Forty-three consecutive patients (male 21, female 22, mean age 59 years, median age 56 years) underwent abdominal 16-MSCT (Toshiba Aquilion 16) with constant scanning parameters including 120 kVp, a 0.5-second gantry rotation time, a pitch of 0.938: 1, and 16×1-mm detector collimation.The mA was set at 200 in the pre-contrast scan and 160 in the contrast-enhanced scan.The arterial phase images were retrospectively reconstructed with 1-mm slice thickness, 0.8 mm interval.The pre-contrast noise was defined as the standard deviation (SD) of the aorta at the level of right posterior crura of diaphragm.The enhancement of aorta was also measured at level of celiac artery.The volume rendering of CT angiography was made and classified into three grades (excellent, good, bad).Receiver operating characteristic curve (ROC) was used to evaluate the relationship between the image quality of CT angiography and noise in the pre-contrast image and enhancement value.Results Twenty-five cases had the aorta enhancement between 300.0--400.0 HU.The sensitivity and specificity of excellent CTA image was 75% and 62%, respectively when the SD was 12.00.Eighteen cases had the aorta enhancement more than 400.0 HU.The sensitivity and specificity of excellent CTA image was all 100% when the SD was 12.25, and 100% and 75%, respectively when the SD was 13.35.The area under curve of CTA image quality and enhancement in receiver-operated characteristic analysis was O.907.The enhancement was more than 356.7 HU when the sensitivity and specificity of excellent CTA image was 100% and 60%, respectively, and 389.8 HU when 78% and 80%.When the enhancement was more than 442.4 HU, the specificity of excellent CTA image was 100%.Conclusions MSCT angiography with low radiation dose is feasible.Good CT angiography demands great enhancement, and then, the needed mAs is lower when the SD is smaller.

12.
Chinese Journal of Radiology ; (12): 1142-1147, 2009.
Article in Chinese | WPRIM | ID: wpr-392229

ABSTRACT

Objective To investigate the accuracy of 320-slice row CT system for the detection of coronary artery disease(CAD)in high pre-test probability population without heart rate/rhythm control.Methods Thirty patients with a high pre-test probability of CAD underwent 320-slice row CT without preceding heart rate/rhythm control.Invasive coronary angigraphy(ICA)served as the standard reference.Data sets were evaluated by 2 observers in consensus with respect to stenoses≥50% decreased diameter.The sensitivity,specificity,positive predictive value(PPV),negative predictive value(NPV)and Youden index were analyzed;the impact of heart rate and calcification on image quality as well as diagnostic accuracy were also analyzed by Chi-square test Results Mean heart rate during scanning was 73.7±15.4 beats per min(bpm),and median(QR)of Agatston score of segment was 45.6(181).On a per-segment analysis,overall sensitivity was 96.1%(74/77,95%CI:89.03%-99.19%),specificity was 98.3% (337/343,95%CI:96.23%-99.36%),PPV was 92.5% (74/80,95%CI:84.39%-97.20%),NPV of 99.1% (337/340,95%CI:97.44%-99.82%)and the Youden index was 0.94.In both heart-rate subgroups(242 in heart rate<70 bpm group,169 in heart ratet≥70 bpm group),diagnostic accuracy for the assessment of coronary artery stenosis was similar(P<0.05).The accuracy and the quality score of the subgroup Agatston score≥100 were lower than that of the subgroup Agatston score<100;however,the difiercnce of results between 320-slice row CT and ICA was not significant(P<0.05).Conclusion 320-detector row CT can reliably detect coronary artery stenoses in a high pre-test probability population without heart rate/rhythm control.

13.
Article in Chinese | WPRIM | ID: wpr-540131

ABSTRACT

Objective To assess the clinical value of retroperitoneoscopic pyelolithotomy (RPPL) and retroperitoneoscopic ureterolithotomy (RPUL) in treating renal pelvis or ureteral calculus. Methods A total of 81 patients with renal pelvis or ureteral calculi underwent RPPL and RPUL on 88 sides. Of them 30 were women and 51 were men. Their age ranged from 12 to 65 years (mean,36 years).The calculi were found on left side in 41 cases,on right side in 33,and on both sides in 7.The calculi were 0.8 to 3.0 cm in diameters.Pyelolithiasis occurred in 11 cases,upper ureteral calculi in 68 cases and middle in 2 cases.Of them 3 had radioparent calculi in ureter.In these patients,21 had experienced unsuccessful ESWL,or ureterorenolithotripsy (URL),or both;2 had undergone conversion to retroperitoneoscopic surgery when the procedure failed in minimally invasive percutaneous nephrolithotomy (MPCNL) or perforation occurred during URL. Results All the stones were completely removed by single procedure.The operation time was between 30 and 210 min with a mean of 65 min.The intra-operative mean bleeding volume was 25 ml (range,10 to 60 ml).30 cases with other urinary tract diseases were cured by retroperitoneoscopic surgery at the same time.The hospital stay was from 4 to 10 days.During the follow-up (1 to 16 months) for the 60 cases,no recurrent calculus was found. Conclusions In selected patients with large,hard,radioparent,chronically impacted pelvis or upper ureteral stones,especially in solitary kidney,RPPL and RPUL may be considered as the first-line treatment and as a salvage procedure for failed ESWL and endoscopy.With these procedures the urinary tract complications can be treated concomitantly.

14.
Article in Chinese | WPRIM | ID: wpr-537244

ABSTRACT

Objective To investigate the clinical application and value of spiral CT(SCT) in the diagnosis of renal cell carcinoma (RCC) with inferior vena cava (IVC) tumor thrombus. Methods Spiral CT scans were performed for 4 cases clinically confirmed as RCC with IVC tumor thrombus.The imaging findings were checked with post operative pathological findings. Results RCC with IVC tumor thrombus were assessed in all the 4 patients by SCT.The carcinoma stage and the type of the tumor thrombus were also determined.Operative findings have been the same as SCT. Conclusions SCT,a non traumatic and effective method,can make accurate diagnosis of RCC with IVC tumor thrombus,providing much more information for clinical diagnosis and treatment.

15.
Article in Chinese | WPRIM | ID: wpr-544578

ABSTRACT

Objective To study the value of different angle MPR using 64-slice CT in diagnosing spondylolysis.Methods The volume data of isotropic scanning in 50 cases of spondylolysis using 64-slice CT were post-processed by different angle MPR. Four scanning modes were imitated: conventional intervertebral disc scanning mode, transverse scanning, oblique transverse scanning along the direction of vertebral arch, longitudinal and sagittal images of lumbar vertebrae. The detective rate of isthmus fissue, dislocation of disruption end, bone frature piece, false joint of above four methods were analysed. Results The sensitivity of detecting the isthmus fissue was highest by sagittal MPR and oblique transverse MPR images (100%)(u=8.51,P

16.
Article in Chinese | WPRIM | ID: wpr-536426

ABSTRACT

Objective To evaluate renal plication and nephropexy in the treatment of giant hydronephrosis. Methods 18 patients with giant hydronephrosis underwent relief of the obstruction as well as renal plication and nephropexy were reviewed. Results The patients have been followed up for three months to three years and their hydronephrosis improved a lot.The effected kidney showed some recovery of function on excretory urography. Conclusions Renal plication and nephropexy can promote recovery of renal anatomy and function after the relief of obstruction.

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