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1.
BMC Health Serv Res ; 21(1): 1044, 2021 Oct 02.
Artigo em Inglês | MEDLINE | ID: mdl-34600507

RESUMO

BACKGROUND: Multidisciplinary cancer care to facilitate the provision of patient centred and evidence-based care is considered best practice internationally. In 2016 multidisciplinary care measures were developed for all local health districts across NSW. The aim of this study was to identify system-level changes and quality improvement activities across the NSW cancer system linked to reporting on these measures. METHODS: Focus group discussions were used to generate a synergy of ideas from key stakeholders. An exploratory descriptive approach was used within the ontological position of Framework Analysis, the analysis method chosen for this research study, sitting most closely within pragmatism. The use of Framework Analysis in the analytic strategy is because it is well-suited to addressing policy issues and maintaining specific focus within a wider dataset. RESULTS: Two focus groups were held with a total of 18 purposively selected participants. Four primary themes emerged: value of electronic documentation; role clarity; relationships; and future development of measures. Key findings included that the reporting of performance measures has expedited the development of electronic documentation and data extraction from the multidisciplinary team meeting (MDT), identified barriers and facilitators to MDT data collection and supported MDT improvement activities across NSW. CONCLUSIONS: The findings of this study have highlighted that MDTs and their meetings across NSW are harnessing technological advancements to support and further develop their MDTs, as well as the challenges of implementing new processes within the MDTM. This study adds a unique contribution to knowledge of how the reporting of measures can assist in understanding variation in the development and implementation of multidisciplinary teams, as well as highlighting future programs of work to decrease variation in multidisciplinary team meetings and quality improvement activities.


Assuntos
Neoplasias , Austrália , Coleta de Dados , Grupos Focais , Humanos , Neoplasias/terapia , New South Wales , Equipe de Assistência ao Paciente
2.
Zhonghua Xue Ye Xue Za Zhi ; 42(6): 480-486, 2021 Jun 14.
Artigo em Chinês | MEDLINE | ID: mdl-34384154

RESUMO

Objective: To analyze the genetic landscape of multiple fusion genes in patients with de novo acute myeloid leukemia (AML) and investigate the characteristics of immunophenotypes and mutations. Methods: The results of multiple fusion genes from 4192 patients with de novo AML were retrospectively analyzed from 2016 to 2020. In addition, the immunophenotypical data and the mutational results from high-through put method were statistically investigated and correlated as well. Results: ①Among the 52 targets, 29 different types of fusion genes were detected in 1948 patients (46.47%) with AML, which demonstrated an "exponential distribution" . ② As the age increased, the number of patients with fusion gene increased first and then decreased gradually. The total incidence rate of fusion genes and MLL rearrangment in children were significantly higher than those in adults (69.18% vs 44.76%, 15.35% vs 8.36%) . ③The mutations involving FLT3 and RAS signaling pathway contributed most in patients with MLL rearrangment. ④No specific immunophenotypic characteristics were found in AML patients with MLL or NUP98 rearrangements. Conclusion: Nearly half of AML patients were accompanied by specific fusion gene expression, the proportions of different fusion genes in pediatric and adults patients were different by multiple PCR. The gene mutations and immunophenotype of these AML patients have certain rules.


Assuntos
Leucemia Mieloide Aguda , Adulto , Criança , Expressão Gênica , Humanos , Imunofenotipagem , Leucemia Mieloide Aguda/genética , Mutação , Proteína de Leucina Linfoide-Mieloide/genética , Estudos Retrospectivos
4.
Zhonghua Xue Ye Xue Za Zhi ; 41(4): 276-281, 2020 Apr 14.
Artigo em Chinês | MEDLINE | ID: mdl-32447929

RESUMO

Objective: To analyze the clinical manifestations and laboratory features in patients with myeloid neoplasms complicated with clonal T large granular lymphocyte (T-LGL) proliferation. Methods: The clinical data of 5 patients with myeloid neoplasms complicated with clonal T-LGL proliferation from November 2017 to November 2018 in Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College were analyzed retrospectively. Results: The median age was 60 years old. All patients had a history of abnormal peripheral blood cell counts for over 6 months. The absolute lymphocyte count in peripheral blood was less than 1.0×10(9)/L. In addition to the typical T-LGL phenotype, the immunophenotype was heterogenous including CD4(+)CD8(-) in 2 patients, the other 3 CD4(-)CD8(+). Four patients were αß type T cells, the other one was γδ type. STAT3 mutation was detected in 1 patient by next-generation sequencing, the other 4 cases were negative. Conclusions: Clonal T-LGL proliferation with myeloid neoplasm develops in an indolent manner, mainly in elderly patients. Hemocytopenia is the most common manifestation. The diagnosis of T-LGL proliferation does not have specific criteria, that it should be differentiated from other T cell proliferative disorders, such as T-cell clones of undetermined significance. STAT3 or STAT5b mutation may help distinguish.


Assuntos
Neoplasias Hematológicas , Proliferação de Células , Humanos , Imunofenotipagem , Células Matadoras Naturais , Pessoa de Meia-Idade , Estudos Retrospectivos , Linfócitos T
5.
Zhonghua Xue Ye Xue Za Zhi ; 41(3): 234-238, 2020 Mar 14.
Artigo em Chinês | MEDLINE | ID: mdl-32311894

RESUMO

Objective: To analyze the prognostic factors of transfusion-dependent non-severe aplastic anemia (TD-NSAA) patients treated with cyclosporine A (CsA) and androgen. Methods: Clinical data of 77 consecutive TD-NSAA patients treated with CsA and androgen were retrospectively analyzed between 2010 and 2013. We obtained clinical manifestations and baseline parameters of routine blood test from responders, and compared those with non-responders. All data were analyzed by univariate analysis and multivariate analysis. Results: In 77 patients, there were 43 (55.8%) patients achieved hematological response after 6 months'treatment, and 53 (68.8%) patients got response after 12 months. Univariate analysis showed that platelets baseline was the only factor related to hematological response [19 (6-61) ×10(9)/L vs 13.5 (5-45) ×10(9)/L, P=0.001] after 6 months therapy. After 12 months, the statistical differences were maintained, which were platelets baseline [18 (6-61) ×10(9)/L vs 10.5 (5-45) ×10(9)/L, P<0.001], absolute reticulocytes [0.03 (0.01-0.06) ×10(12)/L vs 0.029 (0.02-0.06) ×10(12)/L, P=0.043], transfusion-dependent of platelet (P=0.007) , transfusion-dependent of platelet and erythrocyte (P=0.012) . Multivariate analysis showed that platelets baseline could be an independent prognostic factor of hematological response (P=0.010 or 0.009) . Cutoff value of platelets by receiver operating characteristic curve was 15.5×10(9)/L. Conclusion: Baseline of higher platelets, higher reticulocyte, and no transfusion dependence of platelet are favorable prognostic factors. When platelets baseline is higher than 15.5×10(9)/L, CsA and androgen regimen is rational.


Assuntos
Androgênios/uso terapêutico , Anemia Aplástica , Ciclosporina/uso terapêutico , Anemia Aplástica/tratamento farmacológico , Soro Antilinfocitário , Combinação de Medicamentos , Humanos , Imunossupressores , Prognóstico , Estudos Retrospectivos , Resultado do Tratamento
6.
Zhonghua Xue Ye Xue Za Zhi ; 40(4): 288-293, 2019 Apr 14.
Artigo em Chinês | MEDLINE | ID: mdl-31104439

RESUMO

Objective: To investigate the application values of immunophenotypic analysis and molecular genetics in the diagnosis of acute promyelocytic leukemia (APL) . Methods: The retrospective analyses of flow cytometric (FCM) immunophenotypic anyalysis, chromosome karyotype and chromosome fluorescence in situ hybridization (FISH) of 798 outpatient or hospitalization APL patients referred to our hospital between May 2012 and December 2017 were performed to further study the application values of FCM and molecular genetics in the diagnosis of APL. Results: The sensitivity and specificity of FCM were 91.9% and 98.7% respectively. The typical characteristic immunophenotype for APL was as of follows: a high SSC, absence of expression of cluster differntiation (CD) CD34 and HLA-DR, and expression or stronger expression of CD33, consistent expression of CD13, CD9, CD123, expression of CD56, CD7, CD2 (sometimes) . The rest 10% of the cases harbored atypical APL phenotypes, generally accompanied by CD34 and/or HLA-DR expression, decreased SSC and often accompanied by CD2 expression, it was difficult to definitively diagnose APL by this FCM phenotype, and their diagnoses depended on the results of genetics or molecular biology tests. Compared with normal individuals, complex karyotypes APL with t (15;17) translocation, other variant translocations and variant t (11;17) , t (5;17) had no significant differences in terms of their FCM phenotypes. Conclusions: FCM could rapidly and effectively diagnose APL. Despite the fact that complex karyotypes with various additional chromosomal abnormalities were detected in approximately one third of APL cases in addition to the pathognomonic t (15;17) (q22;q21) , they had no observable impact on the overall immunophenotype. Molecular and genetic criteria were the golden criteria for the diagnosis of APL. About 10% of immunophenotyping cases relied on molecular genetics for diagnosis.


Assuntos
Leucemia Promielocítica Aguda , Citometria de Fluxo , Humanos , Imunofenotipagem , Hibridização in Situ Fluorescente , Leucemia Promielocítica Aguda/diagnóstico , Estudos Retrospectivos
7.
Zhonghua Xue Ye Xue Za Zhi ; 39(6): 501-506, 2018 Jun 14.
Artigo em Chinês | MEDLINE | ID: mdl-30032569

RESUMO

Objective: Analysis of the molecular characteristics of eosinophilia. Methods: Targeting sequence to 24 patients with chronic eosinophilic leukemia (CEL) with rearrangement of PDGFRA, PDGFRB, or FGFR1 and 62 patients with hyper-eosinophilic syndrome (HES). Mutation annotation and analysis of amino acid mutation using authoritative databases to speculate on possible pathogenic mutation. Results: Thirty-seven kinds of clonal variant were detected from 17 patients with CEL, no recurrent mutation site and hot spot region were found. No pathogenic mutation was detected in 19 patients with PDGFRA rearrangement, but pathogenic mutations of ASXL1, RUNX1 and NRAS were detected from 2 patients with FGFR1 rearrangement who progressed to acute myeloid leukemia and 1 patient with PDGFRB rearrangement who progressed to T lymphoblastic lymphoma, respectively. One hundred and two kinds of clonal abnormalities were detected in 49 patients with HES. The main hot spot mutation regions included: CEBPA Exon1, TET2 Exon3, ASXL1 Exon12, IDH1 Y208C, and FGFR3 L164V. CRRLF2 P224L and PDGFRB R370C point mutations were detected separately in 2 patients with HES who treated with imatinib monotherapy and achieved hematologic remission. Conclusion: The pathogenesis of CEL with PDGFRA, PDGFRB or FGFR1 rearrangement is usually single, and the progression of the disease may involve other driver mutation. A variety of genes with hot mutation regions may be involved in the pathogenesis of HES, and some mutation sites are sensitive to tyrosine kinase inhibitors.


Assuntos
Síndrome Hipereosinofílica , Leucemia , Doença Crônica , Humanos , Mesilato de Imatinib , Receptor alfa de Fator de Crescimento Derivado de Plaquetas , Receptor beta de Fator de Crescimento Derivado de Plaquetas
8.
Zhonghua Xue Ye Xue Za Zhi ; 39(2): 98-104, 2018 Feb 14.
Artigo em Chinês | MEDLINE | ID: mdl-29562441

RESUMO

Objective: To investigate the spectrum of gene mutations in adult patients with B-acute lymphoblastic leukemia (B-ALL), and to analyze the influences of different gene mutations on prognosis. Methods: DNA samples from 113 adult B-ALL patients who administered from June 2009 to September 2015 were collected. Target-specific next generation sequencing (NGS) approach was used to analyze the mutations of 112 genes (focused on the specific mutational hotspots) and all putative mutations were compared against multiple databases to calculate the frequency spectrum. The impact of gene mutation on the patients' overall survival (OS) and recurrence free survival (RFS) was analyzed by the putative mutations through Kaplan-Meier, and Cox regression methods. Results: Of the 113 patients, 103 (92.0%) harbored at least one mutation and 29 (25.6%) harbored more than 3 genes mutation. The five most frequently mutated genes in B-ALL are SF1, FAT1, MPL, PTPN11 and NRAS. Gene mutations are different between Ph+ B-ALL and Ph- B-ALL patients. Ph- B-ALL patients with JAK-STAT signal pathway related gene mutation, such as JAK1/JAK2 mutation showed a poor prognosis compared to the patients without mutation (OS: P=0.011, 0.001; RFS: P=0.014,<0.001). Patients with PTPN11 mutation showed better survival than those without mutation, but the difference was not statistically significant (P value > 0.05). Besides, in Ph+ B-ALL patients whose epigenetic modifications related signaling pathway genes were affected, they had a worse prognosis (OS: P=0.038; RFS: P=0.047). Conclusion: Gene mutations are common in adult ALL patients, a variety of signaling pathways are involved. The frequency and spectrum are varied in different types of B-ALL. JAK family gene mutation usually indicates poor prognosis. The co-occurrence of somatic mutations in adult B-ALL patients indicate the genetic complex and instability of adult B-ALL patients.


Assuntos
Leucemia-Linfoma Linfoblástico de Células Precursoras , Adulto , Linfócitos B , Análise Mutacional de DNA , Humanos , Mutação , Prognóstico
9.
Zhonghua Bing Li Xue Za Zhi ; 47(1): 14-18, 2018 Jan 08.
Artigo em Chinês | MEDLINE | ID: mdl-29325245

RESUMO

Objective: To investigate the clinicopathologic features of patients with high-grade B-cell lymphomas (HGBL) that have rearrangements of MYC, bcl-6 and bcl-2. Methods: One hundred and fifty-eight B-cell lymphomas patients from Institute of Hematology and Blood Diseases Hospital from January 2016 to April 2017 were detected by fluorescence in situ hybridization (FISH) with double color split-apart probes. Results: Among 158 B-cell lymphomas, 3 cases with MYC, bcl-2 and bcl-6 rearrangements were identified, 1 of which also had CCND1/IgH translocation. All three patients were of older age, with poor prognostic parameters, multiple organs involvements, elevated LDH and advanced-tumor stage. Two of the three patients were treated with high-intensity chemotherapy and had no remission with an overall survival of 9 months and 11 months respectively. One patient had follow-up with no treatment. Histologically, all three cases showed a spectrum of morphologic features. Although initially categorized as lymphoblastic lymphoma, diffuse large lymphoma and mantle cell lymphoma respectively, two cases were associated with germinal center B-cell (GCB) immunophenotype and 1 case with non-GCB immunophenotype. They had a high proliferation index as assessed by immunostaining for Ki-67 (60%-90%). Conclusions: MYC(+) bcl-2(+) bcl-6(+) HGBL is an aggressive disease with multiple organ involvement, high serum LDH levels, advanced stage disease, poor prognosis and shorter patient survival. The diagnosis should be made by histopathology combined with FISH analysis. Its separation from other types of B cell large cell lymphoma is of clinical importance.


Assuntos
Rearranjo Gênico , Genes myc , Linfoma Difuso de Grandes Células B/genética , Proteínas Proto-Oncogênicas c-bcl-2/genética , Proteínas Proto-Oncogênicas c-bcl-6/genética , Linfócitos B , Ciclina D1/genética , Sondas de DNA , Centro Germinativo , Humanos , Imunofenotipagem , Hibridização in Situ Fluorescente , Linfoma Difuso de Grandes Células B/tratamento farmacológico , Linfoma Difuso de Grandes Células B/patologia , Gradação de Tumores , Prognóstico , Translocação Genética
10.
HLA ; 91(1): 71-72, 2018 01.
Artigo em Inglês | MEDLINE | ID: mdl-29064167

RESUMO

HLA-C*07:565 differs from HLA-C*07:02:01:01 (400C->T, exon 3, L110F).


Assuntos
Alelos , Família , Antígenos HLA-C/genética , Análise de Sequência de DNA , Grupo com Ancestrais do Continente Asiático , China , Feminino , Humanos , Masculino
11.
Zhonghua Xue Ye Xue Za Zhi ; 38(11): 956-961, 2017 Nov 14.
Artigo em Chinês | MEDLINE | ID: mdl-29224319

RESUMO

Objective: To investigate the feasibility of multiplex real-time RT-PCR with fluorescent probes in early screening of Ph-like acute lymphoblastic leukemia (ALL) and analyze the clinical feature and prognos. Method: A total of 118 adult B-ALL patients diagnosed between October 2010 and March 2016 were enrolled in this study. Multiplex RT-PCR was used to detect the Ph-like ALL related fusion gene and CRLF2 expression in 58 BCR-ABL and MLL rearrangement negative patients. The clinical features, treatment response and prognosis were analyzed in Ph-like fusion gene positive and/or CRLF2 over-expression patients. Result: Among 58 patients, 9 patients (9/58, 15.5%) showed Ph-like ALL related fusion genes positive and 10 patients (10/58, 17.2%) showed CRLF2 over-expression. There were statistical differences in age, WBC count, immunophenotypes, cytogenetics and risk stratification among Ph-like fusion gene positive or CRLF2 over-expression patients, Ph(+) patients, MLL(+) patients and B-other patients. The 2-year overall survival rates were 65%, 47%, 64% and 74% respectively among these four groups (P=0.043) . The 2-year relapse free survival rates were 51%, 39%, 62% and 70% respectively among these four groups (P=0.010) . Conclusion: Routine screening of Ph-like ALL by multiplex RTPCR is feasible.


Assuntos
Leucemia-Linfoma Linfoblástico de Células Precursoras , Doença Aguda , Adulto , Proteínas de Fusão bcr-abl , Humanos , Reação em Cadeia da Polimerase Multiplex , Leucemia-Linfoma Linfoblástico de Células Precursoras/genética , Prognóstico
13.
Zhonghua Bing Li Xue Za Zhi ; 46(5): 327-331, 2017 May 08.
Artigo em Chinês | MEDLINE | ID: mdl-28468039

RESUMO

Objective: To study the clinicopathologic features of plasma cell myeloma(PCM) with bone marrow fibrosis (MF). Methods: The clinicopathologic data of 175 cases of newly diagnosed PCM patients were retrospectively analyzed. Based on reticular fiber staining, these cases were divided into PCM-MF and non-PCM-MF groups. Results: Sixty-three cases were PCM-MF(36%), 112 were non-PCM-MF (64%). No statistical difference in gender, age, hemoglobin level, platelet counts, the classification of immunoglobulin, ISS staging, immunohistochemical phenotypes and genetic features was found between PCM-MF and non-PCM-MF groups (P>0.05). Compared to non-PCM-MF group, lactate dehydrogenase (LDH)level and renal impairmentrate were higher in PCM-MF group (P<0.05). The degree of bone marrow hyperplasia, the percentage of myeloma cells and cells with plasmablastic morphology were significantly higher in PCM-MF group(P<0.05). Conclusion: The higher LDH level, renal impairment rate, and more significant bone marrow hyperplasia, proliferation of plasma cells and plasmablastic myeloma cells infiltration indicate poor prognosis of PCM-MF patients.


Assuntos
Medula Óssea/patologia , Mieloma Múltiplo/patologia , Fatores Etários , Feminino , Fibrose , Hemoglobina A/análise , Humanos , Nefropatias/epidemiologia , L-Lactato Desidrogenase/sangue , Masculino , Mieloma Múltiplo/sangue , Mieloma Múltiplo/química , Mieloma Múltiplo/complicações , Fenótipo , Plasmócitos/patologia , Contagem de Plaquetas , Estudos Retrospectivos , Fatores Sexuais
15.
Zhonghua Bing Li Xue Za Zhi ; 45(9): 626-30, 2016 Sep 08.
Artigo em Chinês | MEDLINE | ID: mdl-27646892

RESUMO

OBJECTIVE: To characterize the molecular profile in patients with Ph negative myeloproliferative neoplasms (MPN) by exploring 49 gene mutations. METHODS: Targeted gene sequencing were performed to analyze 49 MPN-associated genes in 51 patients with Ph negative MPN, of which CARL (exon 9), NPM1 (exon 12) and CEBPA (TAD, BZIP domains) were investigated by using Sanger sequencing simultaneously, while FLT3-ITD was assessed by PCR method. RESULTS: Mutations were detected in 73.5% (36/49) of genes, and the mutational rates of JAK2-V617F, CALR (exon 9) and MPL were 60.8%(31/51), 7.8%(4/51) and 7.8%(4/51) respectively, whereas the mutational rates of ASXL1, SETBP1, and SF3B1 were around 10%. In addition, 96.1% (49/51) of patients harbored at least one mutation, and more than half of the patients (52.9%, 27/51) possessed 3 or 4 gene mutations. The amount of gene mutations was significantly higher in patients with JAK2-V617F mutation than those without JAK2-V617F or CALR (exon 9) mutation (P<0.05). The last finding was that there was no statistically significant difference in the amount of mutations among four MPN subtypes (PV, ET, PMF, and MPN-U). CONCLUSION: Most patients with Ph negative MPN possesses three or more gene mutations, with various mutational profiles.


Assuntos
Mutação , Transtornos Mieloproliferativos/genética , Proteínas Estimuladoras de Ligação a CCAAT/genética , Proteínas de Transporte/genética , Análise Mutacional de DNA , Éxons , Humanos , Janus Quinase 2/genética , Taxa de Mutação , Proteínas Nucleares/genética , Fosfotransferases (Aceptor do Grupo Álcool)/genética , Reação em Cadeia da Polimerase , Fatores de Transcrição/genética
18.
Tissue Antigens ; 86(5): 384, 2015 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-26411515

RESUMO

One nucleotide replacement in codon 17 (CGC>CAC) of HLA-A*33:03:01 results in a novel allele, HLA-A*33:95.


Assuntos
Alelos , Antígenos HLA-A/genética , Adulto , Grupo com Ancestrais do Continente Asiático , China , Feminino , Humanos , Masculino
20.
BMC Pregnancy Childbirth ; 11: 16, 2011 Mar 07.
Artigo em Inglês | MEDLINE | ID: mdl-21385387

RESUMO

BACKGROUND: Australia's Aboriginal and Torres Strait Islander (Indigenous) populations have disproportionately high rates of adverse perinatal outcomes relative to other Australians. Poorer access to good quality maternal health care is a key driver of this disparity. The aim of this study was to describe patterns of delivery of maternity care and service gaps in primary care services in Australian Indigenous communities. METHODS: We undertook a cross-sectional baseline audit for a quality improvement intervention. Medical records of 535 women from 34 Indigenous community health centres in five regions (Top End of Northern Territory 13, Central Australia 2, Far West New South Wales 6, Western Australia 9, and North Queensland 4) were audited. The main outcome measures included: adherence to recommended protocols and procedures in the antenatal and postnatal periods including: clinical, laboratory and ultrasound investigations; screening for gestational diabetes and Group B Streptococcus; brief intervention/advice on health-related behaviours and risks; and follow up of identified health problems. RESULTS: The proportion of women presenting for their first antenatal visit in the first trimester ranged from 34% to 49% between regions; consequently, documentation of care early in pregnancy was poor. Overall, documentation of routine antenatal investigations and brief interventions/advice regarding health behaviours varied, and generally indicated that these services were underutilised. For example, 46% of known smokers received smoking cessation advice/counselling; 52% of all women received antenatal education and 51% had investigation for gestational diabetes. Overall, there was relatively good documentation of follow up of identified problems related to hypertension or diabetes, with over 70% of identified women being referred to a GP/Obstetrician. CONCLUSION: Participating services had both strengths and weaknesses in the delivery of maternal health care. Increasing access to evidence-based screening and health information (most notably around smoking cessation) were consistently identified as opportunities for improvement across services.


Assuntos
Atenção à Saúde/estatística & dados numéricos , Serviços de Saúde Materna/estatística & dados numéricos , Cuidado Pós-Natal/estatística & dados numéricos , Cuidado Pré-Natal/estatística & dados numéricos , Adolescente , Adulto , Austrália , Estudos Transversais , Documentação , Feminino , Fidelidade a Diretrizes/estatística & dados numéricos , Humanos , Auditoria Médica , Pessoa de Meia-Idade , Grupo com Ancestrais Oceânicos , Gravidez , Atenção Primária à Saúde , Melhoria de Qualidade , Indicadores de Qualidade em Assistência à Saúde , Abandono do Uso de Tabaco/estatística & dados numéricos , Adulto Jovem
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