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1.
Chinese Journal of Pediatrics ; (12): 222-227, 2023.
Article in Chinese | WPRIM | ID: wpr-970271

ABSTRACT

Objective: To evaluate the clinical value of new coagulation biomarkers including soluble thrombomodulin (sTM) and tissue plasminogen activator inhibitor complex (t-PAI·C) for the diagnosis and prognosis of sepsis in children. Methods: The prospective observational study enrolled 59 children who were diagnosed with sepsis including severe sepsis and septic shock in the Department of Pediatric Critical Care Medicine of Shanghai Children's Medical Center affiliated to the Medical College of Shanghai Jiao Tong University from June 2019 to June 2021. The sTM, t-PAI·C and conventional coagulation tests were detected on illness day one of sepsis. Twenty healthy children were selected as the control group, and the above parameters were detected on the day of inclusion. Children with sepsis were divided into survival group and non-survival group according to prognosis at discharge. Baseline comparisons between groups were performed using Mann-Whitney U test. Multivariate Logistic regression analysis was used to evaluate the risk factors for the diagnosis and prognosis of sepsis in children. Receiver operating characteristic (ROC) curve was conducted to evaluate the predictive values of above variables for the diagnosis and prognosis of sepsis in children. Results: The sepsis group included 59 patients (39 boys and 20 girls), aged 61(22, 136)months. There were 44 patients in the survival group and 15 patients in the non-survival group, respectively. The control group consisted of 20 boys, aged 107 (94,122) months. Patients in the sepsis group had higher sTM and t-PAI·C ((12 (9, 17)×103 vs. 9(8, 10)×103 TU/L, 10(6, 22) vs. 2 (1, 3) μg/L, Z=-2.15, -6.05, both P<0.05) compared with children in the control group. The t-PAI·C was superior to sTM for the diagnosis of sepsis. The areas under the curve (AUC) of t-PAI·C and sTM for the diagnosis of sepsis were 0.95 and 0.66, respectively, and the optimal cut-off value were 3 μg/L and 12×103 TU/L, respectively. Patients in the survival group had lower sTM (10 (8, 14)×103 vs. 17 (11, 36)×103 TU/L, Z=-2.73, P=0.006) than those in the non-survival group. Logistic regression analysis showed that sTM was a risk factor for death at discharge (OR=1.14, 95%CI 1.04-1.27, P=0.006). The AUC of sTM and t-PAI·C for predicting death at discharge were 0.74 and 0.62, respectively, and the optimal cut-off values were 13×103 TU/L and 6 μg/L, respectively. The AUC of sTM combined with platelet counts for predicting death at discharge was 0.89, which was superior to sTM and t-PAI·C. Conclusion: The sTM and t-PAI·C had clinical application values in diagnosing and predicting prognosis in pediatric sepsis.


Subject(s)
Child , Female , Humans , Male , Infant , Child, Preschool , Biomarkers , China , Sepsis/diagnosis , Shock, Septic , Tissue Plasminogen Activator
2.
Chinese Pharmacological Bulletin ; (12): 645-652, 2021.
Article in Chinese | WPRIM | ID: wpr-1014412

ABSTRACT

Aim To investigate the protective effects of ginkgolide K (GK) on neurovascular unit injured by ischemic stroke and the potential mechanism associated with hypoxia-inducible factor-1α (HIF-1α) pathway. Methods The BV-2 cells and EA. hy926 cells suffered from oxygen-glucose deprivation and reperfusion (OGD/R) were applied to mimic the injury of neurovascular unit induced by cerebral ischemia in vitro. After 4 h OGD insult, BV-2 cells and EA. hy926 cells received reperfusion and treated with GK. The levels of inflammatory cytokines in the supernatant of BV-2 cells were detected, while the protective effects of GK on EA. hy926 cells were also evaluated after GK administration for 24 h. The p-Akt and p-Erk expressions were examined by Western blot after 1 h of GK treatment, while HIF-1α was detected after 6 h of GK treatment. In addition, PI3K inhibitor LY294002 was applied to further verify the potential mechanisms underlying the beneficial effects of GK. The expressions of p-Akt after 1 h of GK treatment, and the protein levels of HIF-1α pathway after 6 h of GK treatment were also analyzed by Western blot. Results GK significantly inhibited the levels of TNF-α, IL-6 and IL-1β in supernatant of BV-2 cells injured by OGD/R, through increasing p-Akt and decreasing p-Erk expressions, and then affecting HIF-1α pathway. In addition, LY294002 reduced the regulatory effect of GK. Furthermore, GK significantly improved viability and inhibited the release of LDH in supernatant of EA. hy926 cells suffered from OGD/R, and up-regulated the expressions of p-Akt, HIF-1α, HO-1 and VEGF, while cleaved caspase-3/9 was inhibited. Conclusions GK exerts multi-effects on reducing neurovascular unit injury induced by ischemic stroke, and the potential mechanism might be associated with the different regulatory effects of HIF-1α in different cells.

3.
Chinese Medical Journal ; (24): 1314-1321, 2019.
Article in English | WPRIM | ID: wpr-772222

ABSTRACT

BACKGROUND@#Fusion genes may play an important role in tumorigenesis, prognosis, and drug resistance; however, studies on fusion genes in endometrial cancer (EC) are rare. This study aimed to identify new fusion genes and to explore their clinical significance in EC.@*METHODS@#A total of 28 patients diagnosed with EC were enrolled in this study. RNA sequencing was used to obtain entire genomes and transcriptomes. STAR-comparison and STAR-fusion prediction were applied to predict the fusion genes. Chi-square tests and Student t tests were used to verify the clinical significance with SPSS 13.0 software.@*RESULTS@#New fusion genes were found, and the number of fusion genes varied from 3 to 110 among all patients with EC. The type of fusion genes varied and included messenger RNA (mRNA)-mRNA, long non-coding RNA (lncRNA)-lncRNA, and lncRNA-mRNA. There were six fusion genes with high fusion rates, namely, RP11-123O10.4-GRIP1, RP11-444D3.1-SOX5, RP11-680G10.1-GSE1, NRIP1-AF127936.7, RP11-96H19.1-RP11-446N19.1, and DPH7-PTP4A3. Further studies showed that these fusion genes are related to stage, grade, and recurrence, in which NRIP1-AF127936.7 and DPH7-PTP4A3 were found only in stage III patients with EC. DPH7-PTP4A3 was found in grades 2 and 3, and recurrent patients with EC.@*CONCLUSION@#Fusion genes play an essential role in EC. Six genes that are overexpressed with high fusion rates are identified. NRIP1-AF127936.7 and DPH7-PTP4A3 might be related to stage, and DPH7-PTP4A3 be related to grade and recurrence.

4.
Chinese Medical Journal ; (24): 1550-1562, 2019.
Article in English | WPRIM | ID: wpr-771184

ABSTRACT

BACKGROUND@#Management of tumors has become more complex owing to tumor heterogeneity. Fewer studies have been performed on intra-tumor heterogeneity of endometrial cancer (EC) until now. Therefore, it is of great clinical value to explore the intra-tumor heterogeneity of EC based on clinical features and gene expression profiles.@*METHODS@#A total of 1688 patients with EC were screened and 114 patients were finally selected, including specimens from 84 patients with primary EC without relapse (PE) and the paired metastases (P-M) specimens, as well as specimens from 30 patients with primary EC with relapse (RPE) and the paired relapsed EC (P-RE) specimens. Microarray and RNA-seq were used to detect gene expression of EC samples. Clinicopathological characteristics and molecular data were compared between PE and P-M groups and between RPE and P-RE groups to explore the intra-tumor heterogeneity of EC.@*RESULTS@#The clinical intra-tumor spatial heterogeneity of pathological type, grade, ER status, and PR status between PE and P-M were 17.9%, 13.1%, 28.6%, and 28.6%, respectively. The clinical intra-tumor spatiotemporal heterogeneity of pathological type, grade, ER status, and PR status between RPE and P-RE were 16.7%, 33.3%, 25.0%, and 37.5%, respectively. Cluster analysis sorts EC samples based on progression type of lesion and their pathological type. There were differentially expressed genes between PE and P-M and between RPE and P-RE, of which gene ontology and Kyoto Encyclopedia of Genes and Genomes analysis were mainly enriched in cell proliferation, the p53 signaling pathway, etc. CONCLUSIONS:: Clinical and molecular data showed that there was spatiotemporal heterogeneity in intra-tumor of EC, which may add to the complexity of diagnosis and therapeutics for EC. Considering the intra-tumor heterogeneity, sequential chemotherapy and precision medicine may be a more suitable treatment plan for EC.

5.
Chinese Medical Journal ; (24): 1314-1321, 2019.
Article in English | WPRIM | ID: wpr-800847

ABSTRACT

Background@#Fusion genes may play an important role in tumorigenesis, prognosis, and drug resistance; however, studies on fusion genes in endometrial cancer (EC) are rare. This study aimed to identify new fusion genes and to explore their clinical significance in EC.@*Methods@#A total of 28 patients diagnosed with EC were enrolled in this study. RNA sequencing was used to obtain entire genomes and transcriptomes. STAR-comparison and STAR-fusion prediction were applied to predict the fusion genes. Chi-square tests and Student t tests were used to verify the clinical significance with SPSS 13.0 software.@*Results@#New fusion genes were found, and the number of fusion genes varied from 3 to 110 among all patients with EC. The type of fusion genes varied and included messenger RNA (mRNA)-mRNA, long non-coding RNA (lncRNA)-lncRNA, and lncRNA-mRNA. There were six fusion genes with high fusion rates, namely, RP11–123O10.4–GRIP1, RP11–444D3.1–SOX5, RP11– 680G10.1–GSE1, NRIP1–AF127936.7, RP11–96H19.1–RP11–446N19.1, and DPH7–PTP4A3. Further studies showed that these fusion genes are related to stage, grade, and recurrence, in which NRIP1–AF127936.7 and DPH7–PTP4A3 were found only in stage III patients with EC. DPH7–PTP4A3 was found in grades 2 and 3, and recurrent patients with EC.@*Conclusion@#Fusion genes play an essential role in EC. Six genes that are overexpressed with high fusion rates are identified. NRIP1– AF127936.7 and DPH7–PTP4A3 might be related to stage, and DPH7–PTP4A3 be related to grade and recurrence.

6.
Chinese Medical Journal ; (24): 1550-1562, 2019.
Article in English | WPRIM | ID: wpr-802554

ABSTRACT

Background@#Management of tumors has become more complex owing to tumor heterogeneity. Fewer studies have been performed on intra-tumor heterogeneity of endometrial cancer (EC) until now. Therefore, it is of great clinical value to explore the intra-tumor heterogeneity of EC based on clinical features and gene expression profiles.@*Methods@#A total of 1688 patients with EC were screened and 114 patients were finally selected, including specimens from 84 patients with primary EC without relapse (PE) and the paired metastases (P-M) specimens, as well as specimens from 30 patients with primary EC with relapse (RPE) and the paired relapsed EC (P-RE) specimens. Microarray and RNA-seq were used to detect gene expression of EC samples. Clinicopathological characteristics and molecular data were compared between PE and P-M groups and between RPE and P-RE groups to explore the intra-tumor heterogeneity of EC.@*Results@#The clinical intra-tumor spatial heterogeneity of pathological type, grade, ER status, and PR status between PE and P-M were 17.9%, 13.1%, 28.6%, and 28.6%, respectively. The clinical intra-tumor spatiotemporal heterogeneity of pathological type, grade, ER status, and PR status between RPE and P-RE were 16.7%, 33.3%, 25.0%, and 37.5%, respectively. Cluster analysis sorts EC samples based on progression type of lesion and their pathological type. There were differentially expressed genes between PE and P-M and between RPE and P-RE, of which gene ontology and Kyoto Encyclopedia of Genes and Genomes analysis were mainly enriched in cell proliferation, the p53 signaling pathway, etc.@*Conclusions@#Clinical and molecular data showed that there was spatiotemporal heterogeneity in intra-tumor of EC, which may add to the complexity of diagnosis and therapeutics for EC. Considering the intra-tumor heterogeneity, sequential chemotherapy and precision medicine may be a more suitable treatment plan for EC.

7.
Chinese Medical Journal ; (24): 2089-2096, 2018.
Article in English | WPRIM | ID: wpr-773922

ABSTRACT

Background@#Fibroblasts were the main seed cells in the studies of tissue engineering of the pelvic floor ligament. Basic fibroblast growth factor (bFGF) and epidermal growth factor (EGF) were widely studied but at various concentrations. This study aimed to optimize the concentrations of combined bFGF and EGF by evaluating their effects on proliferation and collagen secretion of fibroblasts.@*Methods@#Fibroblasts were differentiated from rat adipose mesenchymal stem cells (ADSCs). Flow cytometry and immunohistochemistry were used for cell identification. The growth factors were applied at concentrations of 0, 1, 10, and 100 ng/ml as three groups: (1) bFGF alone, (2) EGF alone, and (3) bFGF mixed with EGF. Cell proliferation was evaluated by Cell Counting Kit-8 assays. Expression of Type I and III collagen (Col-I and Col-III) mRNAs was evaluated by real-time quantitative reverse transcription-polymerase chain reaction. Statistical analysis was performed with SPSS software and GraphPad Prism using one-way analysis of variance and multiple t-test.@*Results@#ADSCs were successfully isolated from rat adipose tissue as identified by expression of typical surface markers CD29, CD44, CD90, and CD45 in flow cytometry. Fibroblasts induced from ADSC, compared with ADSCs, were with higher mRNA expression levels of Col I and Col III (F = 1.29, P = 0.0390). bFGF, EGF, and the mixture of bFGF with EGF can enhanced fibroblasts proliferation, and the concentration of 10 ng/ml of the mixture of bFGF with EGF displayed most effectively (all P < 0.05). The expression levels of Col-I and Col-III mRNAs in fibroblasts displayed significant increases in the 10 ng/ml bFGF combined with EGF group (all P < 0.05).@*Conclusions@#The optimal concentration of both bFGF and EGF to promote cell proliferation and collagen expression in fibroblasts was 10 ng/ml at which fibroblasts grew faster and secreted more Type I and III collagens into the extracellular matrix, which might contribute to the stability of the pelvic floor microenvironment.


Subject(s)
Animals , Rats , Cell Proliferation , Cells, Cultured , Collagen , Metabolism , Epidermal Growth Factor , Physiology , Fibroblast Growth Factor 2 , Physiology , Fibroblasts , Physiology , Pelvic Floor , Regeneration
8.
Chinese Medical Journal ; (24): 1154-1160, 2016.
Article in English | WPRIM | ID: wpr-290109

ABSTRACT

<p><b>BACKGROUND</b>Previously, we reported that dual-specificity phosphatase 1 (DUSP1) was differentially expressed in endometrioid adenocarcinoma (EEA). However, the role of DUSP1 in EEA progression and the relationship between DUSP1 and medroxyprogesterone (MPA) are still unclear.</p><p><b>METHODS</b>The expression of DUSP1 in EEA specimens was detected by immunohistochemical analysis. The effect of DUSP1 on cell proliferation was analyzed by Cell Counting Kit 8 and colony formation assay, and cell migration was analyzed by transwell assay. MPA-induced DUSP1 expression in EEA cells was measured by Western blot.</p><p><b>RESULTS</b>DUSP1 expression was deficient in advanced International Federation of Gynecology and Obstetrics stage, high-grade and myometrial invasive EEA. In EEA cell lines (Hec1A, Hec1B, RL952, and Ishikawa), the DUSP1 expression was substantially higher in Ishikawa cells than in other cell lines (P < 0.05). Knockdown of DUSP1 promoted Ishikawa cells proliferation, migration, and activation of mitogen-activated protein kinases/extracellular signal-regulated kinase (MAPK/Erk) pathway. MPA-induced DUSP1 expression and inhibited MAPK/Erk pathway in Ishikawa cells.</p><p><b>CONCLUSIONS</b>Our data suggest that DUSP1 deficiency promotes EEA progression via MAPK/Erk pathway, which may be reversed by MPA, suggesting that DUSP1 may serve as a potential therapeutic target for the treatment of EEA.</p>


Subject(s)
Female , Humans , Carcinoma, Endometrioid , Metabolism , Cell Culture Techniques , Cell Proliferation , Genetics , Physiology , Dual-Specificity Phosphatases , Genetics , Metabolism , Extracellular Signal-Regulated MAP Kinases , Metabolism , Mitogen-Activated Protein Kinases , Metabolism
9.
Chinese Journal of Hematology ; (12): 190-194, 2013.
Article in Chinese | WPRIM | ID: wpr-235466

ABSTRACT

<p><b>OBJECTIVE</b>To investigate the function of abnormal fibrinogen in two inherited dysfibrinogenemia pedigrees.</p><p><b>METHODS</b>Routine coagulation tests were conducted in the probands and related family members. The antigen and activity levels of fibrinogen were detected by immunoturbidimetry assay and clauss assay, respectively. All the exons and exon-intron boundaries of the three fibrinogen genes and antithrombin gene(AT3)were analyzed by PCR amplification and direct sequencing. Routine thrombelastography (TEG) test and functional fibrinogen TEG test were both used to make a comprehensive evaluation of coagulation status and functional fibrinogen level in patients. The molecular weights of the three peptides from fibrinogen were measured by Western blot. The function of abnormal fibrinogen was assessed by fibrinogen dynamic polymerization and fibrinolysis velocity.</p><p><b>RESULTS</b>The coagulation routine tests were normal in two probands except for prolonged thrombin time (TT) and reptilase time (RT), as well as reduced activity levels of 0.5 g/L and 0.6 g/L fibrinogen, respectively. The antigen levels of fibrinogen were 2.32 g/L and 2.66 g/L in two probands, which were in the normal reference range. The genotype analysis showed that Arg275His in fibrinogen γ chain (γ Arg275His) existed in both probands and patients in these two pedigrees. Meanwhile, proband B's grandfather and aunt also carried heterozygote g.5876T>C (Ser116Pro) mutation in AT3. The results of routine TEG test demonstrated that the α values of proband B and his father were close to and lower than the lower limit of reference range, respectively, while the MA values were normal in both of them. However, functional fibrinogen TEG test revealed obviously reduced MA value. All the probands and patients demonstrated prolonged lag-off time and reduced peak value in fibrinogen dynamic polymerization tests. Meanwhile, most of fibrin formed from the patients' plasma could not be dissolved completely by plasminogen (PLG) and urokinase-typeplasminogenactivator (u-PA) at a certain time.</p><p><b>CONCLUSION</b>We first reported cases of inherited dysgibrinogenemia associated with inherited AT deficiency. γArg275His mutation caused the abnormal fibrinogen in terms of fibrin mono polymerization and possibly in fibrinolysis. Combined use of routine TEG test and functional fibrinogen TEG test with comprehensive analyses of the parameters in both tests could better evaluate the level of functional fibrinogen and predict the risk of hemorrhage and thrombosis in patients with inherited dysfibrinogenemia.</p>


Subject(s)
Adult , Child , Female , Humans , Male , Afibrinogenemia , Genetics , Fibrinogen , Genetics , Fibrinogens, Abnormal , Genetics , Physiology , Genotype , Mutation , Pedigree , Phenotype
10.
Article in Chinese | WPRIM | ID: wpr-312312

ABSTRACT

<p><b>OBJECTIVE</b>To investigate the feasibility of bone marrow mesenchymal stem cells(MSC)with the acellular dermal matrix(ADM) biological patch for the treatment of external anal sphincter injury on the animal models.</p><p><b>METHODS</b>Thirty Wistar rats with sphincter injury were randomly divided into three groups. Group A underwent end to end sphincteric repair directly, group B underwent end to end repair and then covered by ADM patch, and group C underwent end to end repair and then covered by ADM which was previously seeded with MSC. After six weeks, the whole ring specimens including anal canal and lower rectum were removed. The hematoxylin and eosin stain and Masson trichrome stain were performed to observe the change of histomorphology.</p><p><b>RESULTS</b>Two weeks later, the majority of rat models presented with moist anus and crissum with loose stools, which indicated that the model was established successfully. Six weeks after repair, in group A and B, the suffusion of fibrous connective tissue and the infiltration of inflammatory cells were observed at the repair site of sphincter. And lots of collagen fiber which was stained into blue deposited dispersedly at the site of repair with no obvious proliferation of capillaries. However, in group C, the blue collagenous fiber which deposited at the sphincter injury site was less than that in groups A and B. Muscle fibers were observed to be stained into red distributed dispersedly at the repair site of sphincter in group C.</p><p><b>CONCLUSIONS</b>Transplantation of ADM biological patch rich in bone MSC can partly improve the regeneration of rat injured anal sphincter and lessen the formation of cicatrix.</p>


Subject(s)
Animals , Rats , Acellular Dermis , Anal Canal , Wounds and Injuries , General Surgery , Bone Marrow , Mesenchymal Stem Cell Transplantation , Rats, Wistar , Wound Healing
11.
Article in Chinese | WPRIM | ID: wpr-361085

ABSTRACT

<p><b>OBJECTIVE</b>To evaluate the influence of operative time on treating high-energy tibial Pilon fracture.</p><p><b>METHODS</b>From June 2003 to May 2008, Sixty-five patients with tibial Pilon fracture were followed up. There were 42 males and 23 females in the study. The age was from 15 to 62 years with an average of (37.53 +/- 6.32) years. The patients were divided into two groups (group A and B) according to operative time. In the group A, 30 cases were treated with open reduction internal fixation (ORIF) at 3-7 days after injury. In the group B, 35 cases were treated with step-by-step postphoned ORIF at 7-24 days after injury (the swell of soft tissue extincted). The clinical effects were evaluated between two groups according to Bourne standard.</p><p><b>RESULTS</b>All patients were followed up from 7 to 24 months with an average of 16.23 months. There was significant difference on the early complications between two groups. In group A, 3 cases of infection, 4 cases of edge splitting, 1 case of plate explosing and 1 case of osteomyelitis. In group B, only 2 cases of surface infection. The time of fracture healing in group A and B was respectively (18.3 +/- 3.2) weeks and (15.7 +/- 2.5) weeks. There was significant difference between two groups (P < 0.05). According to the Bourne Pilon fracture healing standard,in group A, 12 cases got excellent result, 10 good, 8 poor, the rate of excellent and good was 73.3%; in group B, 21 cases got excellent result, 8 good, 6 poor, the rate of excellent and good was 82.9%. There was significant difference between two groups (P < 0.05).</p><p><b>CONCLUSION</b>The choice of operative time is the key to treat high-energy tibial Pilon fracture. Step-by-step postphoned ORIF is an effective method for high-energy tibial Pilon fracture.</p>


Subject(s)
Adult , Female , Humans , Male , Middle Aged , Young Adult , Follow-Up Studies , Fracture Fixation, Internal , Fracture Healing , Tibial Fractures , General Surgery , Time Factors
12.
Chinese Journal of Oncology ; (12): 144-146, 2007.
Article in Chinese | WPRIM | ID: wpr-255701

ABSTRACT

<p><b>OBJECTIVE</b>To investigate the diagnostic method and analyze the result of microneurosurgical treatment for tumors of the fourth cerebral ventricle.</p><p><b>METHODS</b>Tumor of the fourth ventricle was clinically diagnosed in 86 patients basing on the preliminary assessment of symptom and CT or MRI findings. Of these 86 patients treated with micro-neurosurgery, the tumors in 62 were totally removed, subtotally in 19, and partially in 5. Forty-two patients received postoperative radiotherapy.</p><p><b>RESULTS</b>Three patients died postoperatively within ten days, and symptoms in 83 were improved after treatment. The average survival period was over 3 years. The pathology included 32 medulloblastomas, 23 ependymoma, 15 astrocytoma, 10 hemangiblastomas, 2 choroid plexus papillomas, and 4 epidermoid cysts.</p><p><b>CONCLUSION</b>Medulloblastoma, astrocytoma and hemangiblastoma are suggested to be removed totally whenever technically possible according to the site, character and volume of the tumor. For ependymoma, if close to the brain stem, is recommended to be subtotally removed. Postoperative radiotherapy may be beneficial for malignant types.</p>


Subject(s)
Adolescent , Adult , Aged , Child , Child, Preschool , Female , Humans , Male , Middle Aged , Astrocytoma , Diagnosis , Diagnostic Imaging , General Surgery , Cerebral Ventricle Neoplasms , Diagnosis , Radiotherapy , General Surgery , Combined Modality Therapy , Ependymoma , Diagnosis , Diagnostic Imaging , General Surgery , Follow-Up Studies , Fourth Ventricle , Pathology , Radiation Effects , General Surgery , Hemangioblastoma , Diagnosis , Diagnostic Imaging , General Surgery , Magnetic Resonance Imaging , Medulloblastoma , Diagnosis , Diagnostic Imaging , General Surgery , Microsurgery , Methods , Mortality , Neoplasm Recurrence, Local , Survival Analysis , Survival Rate , Tomography, X-Ray Computed
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