Objective To study the clinical effect of minimally invasive percutaneous nephrolithotomy in patients with diabetes mellitus and non-diabetic patients. Methods A retrospective analysis was performed to look into the clinical data of 2,796 patients undergoing downward F18minimally invasive percutaneous nephrolithotomy during May 2007 to June 2016 under X-ray guidance Among them,582 diabetic patients were assigned as the diatetes group,aged 26-82 years,279 male,303 female, 174 with pelvic stones,255 with multiple calculi,153 with staghorn calculi,fasting blood glucose 5.4~20.3 mmol/L,postprandial and 2 hours blood glucose 9.1~28.9 mmol/L. In the group,the results of preoperative fasting blood glucose,glycosylated hemoglobin,meal 2 hours blood glucose,diabetes mellitus immune and two others,were in line with diabetes diagnosis and typing standard, and the stones were tested by infrared spectrum analyzer for determination of chemical composition(P<0.05). The rest 2,214 diabetic patients were set as non-diabetic group. The two groups were compared in terms of the operation duration,the rate of stone removal,surgical complications and hospital stay. Results There were no significant differenices in the operation duration,rate of stone removal and operative complications between the two groups(P>0.05),but the hospital stay in the diabetic group was significantly longer than that of the control group. In comparison of the stone compositions,therate of uric acid stones in the diabetic group was significantly higher than that of the control group (P < 0.05). Conclusion Minimally invasive percutaneous nephrolithotomy is safe and effective for the treatment of renal calculi in patients with diabetes mellitus. Diabetic patients are susceptive to uric acid stones and those patients at the poor control of blood glucose suffer from a higher recurrence of renal stones , which reminds the importance of doctors to educate the patients on the prevention of kidney stones.

Aim: To enhance the management of clinical teaching hospital and improve the quality of clinical teaching.Methods: The criteria system of evaluation on teaching hospitals were taken to assess the teaching quality of 4 non-directly affiliated hospitals by means of listening to the self-evaluation,checking the file,surveying on the scene and holding student symposium.Prompt feedback were supplied to the 4 hospitals.Result: The 4 hospitals obtained similar scores,which had intelligent teachers,favorable teaching condition,strict management and better teaching quality.Conclusions: Emphasizing teaching,qualified teachers,improving teaching condition and optimizing teaching method are the important measures of improving clinical teaching quality.

Objective:To study the clinical pathologic characteristics and differential diagnosis of rare type carcinoma of the breast. Methods:According to the new World Health Organization Classification of Tumors(2003),42 cases of rare type carcinoma of the breast were studied by clinical data and correlated investigation of pathology.Results: All the slides of the breast carcinoma in our department were reviewed,9 cases of glycogen-rich,clear cell carcinoma,4 cases of mucinous carcinoma,2 cases of tubular carcinoma,18 cases of metaplastic carcinoma,6 cases of apocrine carcinoma,1 case of secretary carcinoma,and 2cases of lipid-rich carcinoma were found.Different histologic type has different appearance in the light microscopy,special staining and electromicroscopy.Conclusion:Definite histological classification of breast carcinoma will be helpful in guiding the clinical treatment and estimating patients' prognosis.

Objective To explore the risk factors ,prevention and treatment of the occurrence of perirenal hematoma after flexible lithotripsy. Methods We retrospectively analyzed the clinical data of 18 patients with symptomatic perirenal hematoma from 1259 who had undergone ureteral flexible lithotripsy in our hospital during the period of April 2007 to April 2016. Of the 18 patients,7 were complicated with diabetes mellitus,11 had urinary tract infection;15 were female,and 3 were male. Results Perirenal hematoma was confirmed by B ultrasound and CT,which situated on the Posterolateral side of the kidney in 8 patients,and on the lower pole and abdominal side in 10. Hematoma depth was 2.6-15.3 cm(average was 5.2 cm). The hematoma?related symptoms gradually disappeared in 11 patients 7 to 14 days after they received conservative treatment. 5 recovered gradually 15 days after undergoing hematoma puncture and drainage ,and 2 recovered 36 days after receiving open surgery for removal of hematoma. Conclusions Female,diabetes,urinary tract infection,bigger stone size,prolonged surgical duration,and infected stones were the risk factors for perinephric hematoma related to ureteroscopic lithotripsy. Full preoperative preparation ,effective anti?infection ,intraoperative improvement of calculus?breaking skills and use of large caliber semirigid through sheath,low pressure perfusion,shorter surgical duration,and staging surgery are effective ways to reduce the occurrence of perirenal hematoma.

Objective To investigate the safety and efficacy of ureteral access sheath (UAS) with vacuum suction during flexible ureteroscopic lithotripsy in the treatment of renal stones.Methods The clinical data on 56 patients with infectious renal stones who received flexible ureteroscopic lithotripsy were retrospectively analyzed.The patients were randomly divided into group A (26 patients) and group B (30 patients).Intrapelvic pressure,stoneclearance rate,surgical duration,formation of steinstrasse,postoperative fever (temperature ＞ 38.5 ℃C),PCT,leukocyte count,length of hospital stay,and hospitalization cost were evaluated.Results Intrapelvic pressure was much lower in group A than in group B;stone clearance rate was 96.2％ for group A and 83.3％ for group B;and surgical duration was (80.1 ± 2.2) min and (105.2 ± 3.5) min,respectively.One patient developed steinstrasse and one had postoperative fever in group A,while six patients developed steinstrasse and 4 had postoperative fever in group B;PCT and leukocyte count was much lower in group A than in group B.There were statistical differences between the two groups (P ＜ 0.05).The length of hospital stay and hospitalization cost were (7.4 ± 0.8)d and (20857.1 ± 389.4) RMB for group A and (8.2±1.3)d and (22008.5±394.3) RMB;but there were no statistical differences between the two groups (P ＞ 0.05).Conclusions Application of ureteral access sheath with vacuum suction during flexible ureteroscopic lithotripsy in the treatment of renal stones was safe and effective.It can shorten surgical duration,improve stoneclearance rate and reduce incidence of adverse reactions.This procedure has better value of clinical application.

Objective:To observe the clinical effect of ablative fractional CO 2 laser in the treatment of hypertrophic scar in children after burn. Methods:The clinical data of patients with post-burn hypertrophic scar in children who met the inclusion and exclusion criteria in the Cosmetic Clinic and Burn Clinic of the Third People’s Hospital of Bengbu City Affiliated to Bengbu Medical College from January 2019 to March 2021 were collected, and a retrospective study was conducted. All patients were divided into laser group and control group, and laser group was further divided into 1-2 times subgroups and 3-4 times subgroups. The laser group received ablative fractional CO 2 laser treatment 1-4 times on the basis of conventional anti-scar treatment (pressure therapy and topical silicone drugs), and the treatment interval was 1-3 months; the control group only received conventional anti-scar treatment. The color, blood vessel distribution, thickness and softness of scar were scored by Vancouver Scar Scale (VSS), before treatment and 2 months after treatment In the laser group, and at 3 and 6 months in the control group, respectively. The degree of pruritus of the scar was scored with Visual Analogue Scale (VAS). The patient’s satisfaction evaluation is graded as four levels: very satisfied, relatively satisfied, generally satisfied, and dissatisfied. All data were analyzed by SPSS 19.0 software with paired t-test, Wilcoxon rank-sum test or chi-square test according to the type and nature of the data. Results:A total of 103 patients with hypertrophic scars were included, with a total of 134 scars, including 58 males and 45 females; the age was (3.9±3.0) years, range 0-11 years old; the scar area accounted for 4.2%±3.1% of the body surface area; the course of scar was (3.6±2.2) months. There were 72 patients (94 scars) in the laser group, including 29 patients (37 scars) in the 1-2 times subgroup and 43 (57 scars) in the 3-4 times subgroup; 31 patients in the control group(40 scars). (1) Vascular distribution, softness and overall score assessed by VSS in 1-2 times subgroup after treatments were significantly lower than those before treatment ( P<0.05). The thickness, blood vessel distribution, softness and overall score assessed by VSS in 3-4 times subgroup after treatments were significantly lower than those before treatment ( P<0.05). The improvement degree of scar after treatment in each group was different. Compared with the control group, the improvement degree in the 1-2 times subgroup and the 3-4 times subgroup was more obvious ( P<0.05). The improvement degree in the 3-4 times subgroup was better than that in the 1-2 times subgroups ( P<0.05). (2) Compared with before treatment, the VSS scores of scars after laser treatment in different parts were significantly different except for the thickness scores of face and neck, trunk, and upper limbs group ( P<0.05). (3) The degree of pruritus was assessed by VAS method. The pruritus score of the 1-2 times subgroups and 3-4 times subgroups before treatment was (4.86±1.35) points, (4.97±0.93) points, and the pruritus score 2 months after treatment was (1.93±0.99) points, (1.90±0.83) points, the pruritus score improved significantly after treatment, and the difference was statistically significant ( P<0.01). The pruritus scores of the control group at 3 months and 6 months were (4.83±0.82) points and (4.22±0.66) points, and the scores at 6 months were slightly improved compared with those at 3 months, and the difference was statistically significant ( P<0.01). (4) In the laser group, 5 patients (6.9%) had pigmentation after the first treatment, and then gradually subsided; 7 patients (9.7%) had blisters after the second treatment, which healed after dressing change. In the control group, 3 cases (9.7%) had erosions, and the erosions improved after adjusting the pressure appropriately. (5) The overall satisfaction of patients in the laser group was higher than that in the control group [100% (72/72) vs. 80.6% (25/31), P<0.05]. Conclusions:Fractional CO 2 laser has a good effect on the treatment of hypertrophic scars in early childhood burns. It can effectively inhibit scar hyperplasia and improve the degree of itching in patients. The satisfaction of both doctors and patients is high.

Objective:To observe the clinical effect of ablative fractional CO 2 laser in the treatment of hypertrophic scar in children after burn. Methods:The clinical data of patients with post-burn hypertrophic scar in children who met the inclusion and exclusion criteria in the Cosmetic Clinic and Burn Clinic of the Third People’s Hospital of Bengbu City Affiliated to Bengbu Medical College from January 2019 to March 2021 were collected, and a retrospective study was conducted. All patients were divided into laser group and control group, and laser group was further divided into 1-2 times subgroups and 3-4 times subgroups. The laser group received ablative fractional CO 2 laser treatment 1-4 times on the basis of conventional anti-scar treatment (pressure therapy and topical silicone drugs), and the treatment interval was 1-3 months; the control group only received conventional anti-scar treatment. The color, blood vessel distribution, thickness and softness of scar were scored by Vancouver Scar Scale (VSS), before treatment and 2 months after treatment In the laser group, and at 3 and 6 months in the control group, respectively. The degree of pruritus of the scar was scored with Visual Analogue Scale (VAS). The patient’s satisfaction evaluation is graded as four levels: very satisfied, relatively satisfied, generally satisfied, and dissatisfied. All data were analyzed by SPSS 19.0 software with paired t-test, Wilcoxon rank-sum test or chi-square test according to the type and nature of the data. Results:A total of 103 patients with hypertrophic scars were included, with a total of 134 scars, including 58 males and 45 females; the age was (3.9±3.0) years, range 0-11 years old; the scar area accounted for 4.2%±3.1% of the body surface area; the course of scar was (3.6±2.2) months. There were 72 patients (94 scars) in the laser group, including 29 patients (37 scars) in the 1-2 times subgroup and 43 (57 scars) in the 3-4 times subgroup; 31 patients in the control group(40 scars). (1) Vascular distribution, softness and overall score assessed by VSS in 1-2 times subgroup after treatments were significantly lower than those before treatment ( P<0.05). The thickness, blood vessel distribution, softness and overall score assessed by VSS in 3-4 times subgroup after treatments were significantly lower than those before treatment ( P<0.05). The improvement degree of scar after treatment in each group was different. Compared with the control group, the improvement degree in the 1-2 times subgroup and the 3-4 times subgroup was more obvious ( P<0.05). The improvement degree in the 3-4 times subgroup was better than that in the 1-2 times subgroups ( P<0.05). (2) Compared with before treatment, the VSS scores of scars after laser treatment in different parts were significantly different except for the thickness scores of face and neck, trunk, and upper limbs group ( P<0.05). (3) The degree of pruritus was assessed by VAS method. The pruritus score of the 1-2 times subgroups and 3-4 times subgroups before treatment was (4.86±1.35) points, (4.97±0.93) points, and the pruritus score 2 months after treatment was (1.93±0.99) points, (1.90±0.83) points, the pruritus score improved significantly after treatment, and the difference was statistically significant ( P<0.01). The pruritus scores of the control group at 3 months and 6 months were (4.83±0.82) points and (4.22±0.66) points, and the scores at 6 months were slightly improved compared with those at 3 months, and the difference was statistically significant ( P<0.01). (4) In the laser group, 5 patients (6.9%) had pigmentation after the first treatment, and then gradually subsided; 7 patients (9.7%) had blisters after the second treatment, which healed after dressing change. In the control group, 3 cases (9.7%) had erosions, and the erosions improved after adjusting the pressure appropriately. (5) The overall satisfaction of patients in the laser group was higher than that in the control group [100% (72/72) vs. 80.6% (25/31), P<0.05]. Conclusions:Fractional CO 2 laser has a good effect on the treatment of hypertrophic scars in early childhood burns. It can effectively inhibit scar hyperplasia and improve the degree of itching in patients. The satisfaction of both doctors and patients is high.

Nucleotide binding oligomeric dome-like receptor protein 3 （NLRP3） inflammasome is an intracellular sensing protein complex， and it is an important player in the innate immune system， capable of sensing foreign pathogens and endogenous danger signals. After tissue injury， the activation of the NLRP3 inflammasome induces the release of the pro-inflammatory cytokines interleukin （IL）-1β and IL-18， while promoting gasdermin D-mediated pyroptosis. Existing studies have shown that NLRP3 inflammasome plays a key role in the occurrence and development of common bone and joint diseases such as osteoporosis， osteoarthritis， rheumatoid arthritis， and gouty arthritis by inducing inflammatory cascade reaction and accelerating bone resorption and cartilage destruction. Therefore， blocking the NLRP3 inflammasome signaling pathway may be an effective strategy to treat or prevent bone and joint diseases. Currently， researchers have developed and tested several drugs that selectively target the NLRP3 inflammasome in animal and clinical studies， but the progress has been poor due to obvious side effects and high prices. Traditional Chinese medicine （TCM） has been widely recognized in the treatment of bone and joint diseases due to its unique advantages of multi-target， multi-pathway， multi-mechanism synergism， low price， and low side effects. With the deepening of research， the targeted intervention of NLRP3 inflammasome by TCM in the treatment of bone and joint diseases has attracted wide attention. In this paper， the mechanism of NLRP3 inflammasome in osteoarthritis was summarized by analyzing relevant literature in China and abroad in recent years， and the progress of targeted intervention of NLRP3 inflammasome by TCM in the treatment of bone and joint diseases was systematically reviewed， so as to provide new ideas and theoretical basis for the treatment of bone and joint diseases.

OBJECTIVE: To examine the expression of liver X receptor-β (LXR-β) in human gastric cancer tissue, and to explore the effect of GW3965, an agonist of LXRs, on proliferation of gastric cancer cell line SGC-7901.
 METHODS: The immunohistochemical assay was used to detect the expression of LXR-β, activating transcription factor 4 (ATF4) in gastric cancer tissues and the corresponding pericarcinoma tissues in 114 patients. Real-time quantitative PCR and Western blot were used to determine mRNA and protein levels of ATF4 and ATP-binding cassette 1 (ABCA1), one of the downstream target genes of LXRs, in SGC-7901 cells with or without GW3965 treatment. Cell counting kit-8 (CCK-8) assay was performed to detect cell proliferation. The expression of ATF4 was silenced by short hairpin RNA (shRNA).
 RESULTS: The expressions of LXR-β and ATF-4 were obviously down-regulated in the gastric cancer tissues than that in the corresponding pericarcinoma tissues (both P<0.05). Compared with the control cells, GW3965 treatment inhibited proliferation of SGC-7901 cells and up-regulated ATF4 and ABCA1 expressions (both P<0.05). Knockdown of ATF4 can reverse the antiproliferative effect of GW3965 on SGC-7901 cells.
 CONCLUSION The expression of LXR-β is decreased in human gastric cancer tissues, and activation of LXRs by GW3965 could inhibit the proliferation of SGC-7901 cells via ATF4.
Activating Transcription Factor 4 ; genetics ; metabolism ; Benzoates ; pharmacology ; Benzylamines ; pharmacology ; Cell Line, Tumor ; drug effects ; Cell Proliferation ; Gene Expression Regulation, Neoplastic ; Gene Silencing ; Humans ; Liver X Receptors ; Orphan Nuclear Receptors ; genetics ; metabolism ; RNA, Messenger ; genetics ; metabolism ; RNA, Small Interfering ; genetics ; Stomach Neoplasms ; pathology ; Up-Regulation

Objective: To evaluate the residual radioactivity after ¹³¹I treatment in postoperative inpatients with differentiated thyroid carcinoma (DTC) using service robot in nuclear medicine ward, and assess the time for patients to be released from isolation. Methods: From September 2017 to June 2018, 297 patients (94 males, 203 females, age: 19-80 years) with DTC who underwent ¹³¹I treatment after surgery were included. According to the purpose of treatment and the prescription dosage of ¹³¹I, patients were divided into 8 groups: 4 groups accepted ¹³¹I remnant ablation therapy (RAT) with different dosages, which were 3 700 MBq (RAT1, n=34), 4 440 MBq (RAT2, n=122), 5 550 MBq (RAT3, n=81) and 7 400 MBq (RAT4, n=27), respectively; 4 groups had ¹³¹I treatment for recurrent/metastatic lesions (RMLT), and the dosages were 3 700 MBq (n=1), 4 440 MBq (n=2), 5 550 MBq (n=14) and 7 400 MBq (n=16). At 4, 24, 48 and 72 h after ¹³¹I administration, the dose equivalent rates at 2 cm away from the patient′s neck and at 1 m away from the body were measured by the robot designed for nuclear medicine ward. Kruskal-Wallis rank sum test and Mann-Whitney U test were used to analyze the data. Results: Neck dose equivalent rates for patients with RAT at different time points (4, 24, 48 and 72 h) after ¹³¹I administration were significantly different among 4 groups (H values: 20.889-46.410, all P<0.05), as well as the body dose equivalent rates (H values: 27.181-35.497, all P<0.05). The neck dose equivalent rates at 24, 48 and 72 h after ¹³¹I administration were statistically different between group 3 and 4 for patients with RMLT (z values: 2.328-3.076, all P<0.05; data in group 1 and 2 were too limited to be compared), while there was no statistical difference for the body dose equivalent rates (z values: 0.333-1.621, all P>0.05). The radioactivity retention in patients decreased rapidly within 24 h, then slowed down gradually and became extremely low at 72 h. At 72 h after ¹³¹I administration, 96.6%(255/264) patients with RAT and 100%(33/33) patients with RMLT were lower than 23.3 μSv/h, which meant the patients could be discharged from hospitalization. Conclusions Nuclear medicine ward service robots may dynamically measure residual radioactivity in DTC patients who take ¹³¹I treatment, providing individualized isolation solutions.