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1.
Article in Chinese | WPRIM | ID: wpr-993300

ABSTRACT

Objective:To analyze the value of laminin γ2 (LAMC2) in the diagnosis of hepatocellular carcinoma (HCC) and the difference in patients with different types of microvascular invasion (MVI).Methods:A cohort of 100 patients with HCC who underwent surgical treatment at the Faculty of Hepato-Pancreato-Biliary Surgery, Chinese PLA General Hospital from January 2021 to March 2022 were prospectively enrolled. There were 80 males and 20 females, aged (55.7±11.1) years. The data of 17 patients with hepatic hemangioma without cirrhosis who underwent operation at the same hospital during the study period were collected to serve as the control group (6 males, 11 females), aged (42.8±9.8) years. LAMC2 in serum was determined by enzyme linked immunosorbent assay. The levels of alpha-fetoprotein (AFP) and LAMC2 were compared between the two groups, and receiver operating characteristic (ROC) curves were drawn to compare these two markers in the diagnosis of HCC. The LAMC2 of different MVI patients were compared.Results:The levels of LAMC2 and AFP were 1 334.2(838.9, 2 656.0) pg/ml and 19.0(4.6, 778.6) μg/L in the HCC group, which were significantly higher than 375.2(221.2, 691.7)pg/ml and 3.3(2.5, 3.5) μg/L in the control group ( Z=-4.32, -4.63, both P<0.001). The areas under the ROC curve were 0.829(95% CI: 0.748-0.892) for LAMC2 and 0.852(95% CI: 0.769-0.910) for AFP, and was 0.949(95% CI: 0.911-0.988) for using both in the diagnoses. The diagnostic efficacy of combining LAMC2 and AFP was significantly better than that of LAMC2 alone and AFP alone (area under ROC: Z=3.15, 3.07, P=0.002, 0.002). When the patients were divided into the M0 group (61 patients), the M1 Group (25 patients) and the M2 Group (14 patients) based on MVIs, the concentrations of LAMC2 were 1 168.6(834.3, 2 521.4) pg/ml, 942.2(614.0, 2 056.6) pg/ml and 3 128.4(1 852.7, 7 191.3) pg/ml, respectively. The level of LAMC2 in the M2 group was significantly higher than that in the M0 and M1 groups ( Z=-3.46, -3.32, P=0.001, 0.004). Conclusion:The diagnostic efficacy of LAMC2 combined with AFP for HCC was significantly higher than that of either LAMC2 alone or AFP alone. Serum LAMC2 levels were significant different among the groups of HCC patients with different types of MVI.

2.
Chinese Journal of Urology ; (12): 81-85, 2019.
Article in Chinese | WPRIM | ID: wpr-734573

ABSTRACT

Objective To explore the feasibility of robot-assisted laparoscopic inferior vena cava (IVC) thrombectomy in treating renal tumor with Mayo level Ⅲ-Ⅳ inferior vena cava thrombus.Methods From November 2014 to January 2017,5 cases of renal tumor with Mayo level Ⅲ-Ⅳ inferior vena cava tumor thrombus were treated with robot-assisted surgery.There were 4 males and 1 female with the median age of 59 years (range 54-71 years).Four cases had the renal tumor on the right side and one on the left side.The mean tumor size was 6.8 cm (range 5-9 cm) with 3 cases of T3b and 2 cases of T3c.There were 4 cases of level Ⅲ and 1 case of level Ⅳ inferior vena cava thrombus with the median length of 9 cm (range 7-11 cm).The surgical procedure for Mayo level Ⅲ inferior vena cava thrombus included mobilization of both left and right robes of liver,subsequently controlling the suprahepatic infradiaphramatic IVC and first porta hepatis simultaneously.The surgical procedure for Mayo level Ⅳ inferior vena cava thrombus included cardiopulmonary bypass by multi-disciplinary cooperation among urologists,hepatobiliary and cardiovascular surgeons.The procedures included live mobilization,control of the superior vena cava and first porta hepatis and remove thrombus in the atrium and IVC respectively.Results All operations were completed successfully.The median operative time was 440 min (320-630 min).The blood recovery device was used and the intraoperative estimated blood loss was 2 500 ml (500-6 000 ml) and all cases required intraoperative blood transfusion.The median time of intraoperative occlusion of IVC was 35 min (25-50 min).All patients were transferred to the intensive care unit for median of 4 days (2-8 days) after surgery.The median time to remove the postoperative drainage tube was 9 days (7-12 days).Postoperative pathological diagnosis revealed 5 cases of clear cell carcinoma.Postoperative renal dysfunction occurred in 3 patients and liver dysfunction occurred in 2 patients who improved after medical therapy.During median 19.6 months (12-48 months) of follow-up,1 patient died and 1 patient progressed.Conclusions Despite the high risk of surgery,robot-assisted laparoscopic IVC thrombectomy for renal tumor with Mayo level Ⅲ-Ⅳ thrombus is feasible for experienced surgeons in selected patients.However,the oncological outcomes need further investigation.

3.
Article in Chinese | WPRIM | ID: wpr-388046

ABSTRACT

Objective To determine the feasibility, safety and techniques of transumbilical single-port laparoscopic liver cyst fenestration. Methods From November 2009 to June 2010, four cases of transumbilical single-port laparoscopic liver cyst fenestration were completed through three adjacent 5 mm trocars around the umbilicus. Normal 5 mm laparoscopic instruments and a 5 mm 30° laparoscope were utilized, and the procedures were similar to conventional multi-port laparoscopic liver cyst fenestration. Results All operations were completed successfully, with no conversion to laparotomy or the multi-port laparoscopic procedure. The mean operation time was 38 minutes (25-70 minutes). All patients were discharged at postoperative days 1-3, and no complications or cyst recurrence occurred during hospitalization and follow-up. Conclusions Transumbilical single-port laparoscopic liver cyst fenestration is safe and feasible. It has the advantages of less pain, cosmetic incision and quick recovery, but is technique-demanding.

4.
Article in Chinese | WPRIM | ID: wpr-527896

ABSTRACT

0.05). The open time of the modified groups was significantly shorter than that of the routine group (P

5.
Article in Chinese | WPRIM | ID: wpr-524376

ABSTRACT

Objective To evaluate the nutritional status of morbid obesity (MO) before and after laparoscopic adjustable gastric banding (LAGB), and the safety of LAGB.Methods LAGB was performed in 15 cases from Jun.2003 to Nov.2003.Patients′ nutritional parameters were determined before and 1, 3 and 6 months postoperatively.Results There was a significant reduction of weight and body mass index (BMI) ( P 0.05).Conclusion No major nutritional deficiencies were found following LAGB.It is an effective and safe procedure for the treatment of morbid obesity.

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