Dissecting the journey to breast cancer diagnosis in sub-Saharan Africa: Findings from the multicountry ABC-DO cohort study.

Abstract:

:Most breast cancer patients in sub-Saharan Africa are diagnosed at advanced stages after prolonged symptomatic periods. In the multicountry African Breast Cancer-Disparities in Outcomes cohort, we dissected the diagnostic journey to inform downstaging interventions. At hospital presentation for breast cancer, women recalled their diagnostic journey, including dates of first noticing symptoms and health-care provider (HCP) visits. Negative binomial regression models were used to identify correlates of the length of the diagnostic journey. Among 1429 women, the median (inter-quartile range) length (months) of the diagnostic journey ranged from 11.3 (5.7-21.2) in Ugandan, 8.2 (3.4-16.4) in Zambian, 6.5 (2.4-15.7) in Namibian-black to 5.6 (2.3-13.1) in Nigerian and 2.4 (0.6-5.5) in Namibian-non-black women. Time from first HCP contact to diagnosis represented, on average, 58% to 79% of the diagnostic journey in each setting except Nigeria where most women presented directly to the diagnostic hospital with advanced disease. The median number of HCPs visited was 1 to 4 per woman, but time intervals between visits were long. Women who attributed their initial symptoms to cancer had a 4.1 months (absolute) reduced diagnostic journey than those who did not, while less-educated (none/primary) women had a 3.6 months longer journey than more educated women. In most settings the long journey to breast cancer diagnosis was not primarily due to late first presentation but to prolonged delays after first presentation to diagnosis. Promotion of breast cancer awareness and implementation of accelerated referral pathways for women with suspicious symptoms are vital to downstaging the disease in the region.

journal_name

Int J Cancer

authors

Foerster M,McKenzie F,Zietsman A,Galukande M,Anele A,Adisa C,Parham G,Pinder L,Schüz J,McCormack V,Dos-Santos-Silva I

doi

10.1002/ijc.33209

subject

Has Abstract

pub_date

2021-01-15 00:00:00

pages

340-351

issue

2

eissn

0020-7136

issn

1097-0215

journal_volume

148

pub_type

杂志文章
  • Interleukin-6 produced by pancreatic carcinoma cells enhances humoral immune responses against tumor cells: a possible event in tumor regression.

    abstract::Production of interleukin-6 (IL-6) by human pancreatic carcinoma cells inversely correlates with potentials for blood-borne metastasis to the liver in nude mice. IL-6 cDNA was transfected to PCI-43, one of our cultured pancreatic carcinoma cell lines that does not produce IL-6 and generates numerous metastases to the ...

    journal_title:International journal of cancer

    pub_type: 杂志文章

    doi:10.1002/(sici)1097-0215(19980119)75:2<284::aid-ijc

    authors: Saito K,Ishikura H,Kishimoto T,Kawarada Y,Yano T,Takahashi T,Kato H,Yoshiki T

    更新日期:1998-01-19 00:00:00

  • Two distinct human myeloma cell lines originating from one patient with myeloma.

    abstract::Two distinct cell lines (OPM-1 and OPM-2) were established from the peripheral blood of a 56-year-old female myeloma patient at the stage of terminal leukemic evolution associated with loss of cytoplasmic immunoglobulin heavy chain (G lambda----lambda). The lines grew in suspension with a doubling time of 36-42 hr and...

    journal_title:International journal of cancer

    pub_type: 杂志文章

    doi:10.1002/ijc.2910360217

    authors: Katagiri S,Yonezawa T,Kuyama J,Kanayama Y,Nishida K,Abe T,Tamaki T,Ohnishi M,Tarui S

    更新日期:1985-08-15 00:00:00

  • Combretastatin family member OXI4503 induces tumor vascular collapse through the induction of endothelial apoptosis.

    abstract::The mechanism of tumor cell killing by OXI4503 was investigated by studying vascular functional and morphological changes post drug administration. SCID mice bearing MHEC5-T hemangioendothelioma were given a single dose of OXI4503 at 100 mg/kg. Tumor blood flow, measured by microsphere fluorescence, was reduced by 50%...

    journal_title:International journal of cancer

    pub_type: 杂志文章

    doi:10.1002/ijc.20297

    authors: Sheng Y,Hua J,Pinney KG,Garner CM,Kane RR,Prezioso JA,Chaplin DJ,Edvardsen K

    更新日期:2004-09-10 00:00:00

  • The 8.1 ancestral MHC haplotype is strongly associated with colorectal cancer risk.

    abstract::Many recent data indicate that some alleles encoded in the central major histocompatibility complex (MHC) region (Class III) of short arm of chromosome 6 may modify the risk of cancer development. Therefore we determined 4 single nucleotide polymorphisms (SNPs) of this region (TNF-alpha -308 G > A, RAGE -429 T > C, HS...

    journal_title:International journal of cancer

    pub_type: 杂志文章

    doi:10.1002/ijc.22922

    authors: Tóth EK,Kocsis J,Madaras B,Bíró A,Pocsai Z,Fust G,Blaskó B,Karádi I,Adány R,Laki J

    更新日期:2007-10-15 00:00:00

  • Cancer-associated fibroblasts and epithelial-mesenchymal transition in metastatic oral tongue squamous cell carcinoma.

    abstract::We examined cancer-associated fibroblasts (CAFs) and a panel of immunohistochemical markers of epithelial-mesenchymal transition (EMT) in 19 pair-matched oral tongue squamous cell carcinoma (SCC) and metastatic tumors to regional lymph nodes (RLNs). alpha-Smooth muscle actin (alpha-SMA) was studied to identify CAFs. E...

    journal_title:International journal of cancer

    pub_type: 杂志文章

    doi:10.1002/ijc.25358

    authors: Vered M,Dayan D,Yahalom R,Dobriyan A,Barshack I,Bello IO,Kantola S,Salo T

    更新日期:2010-09-01 00:00:00

  • ABCC4/MRP4 contributes to the aggressiveness of Myc-associated epithelial ovarian cancer.

    abstract::Epithelial ovarian cancer (EOC) is a complex disease comprising discrete histological and molecular subtypes, for which survival rates remain unacceptably low. Tailored approaches for this deadly heterogeneous disease are urgently needed. Efflux pumps belonging to the ATP-binding cassette (ABC) family of transporters ...

    journal_title:International journal of cancer

    pub_type: 杂志文章

    doi:10.1002/ijc.33005

    authors: Jung M,Gao J,Cheung L,Bongers A,Somers K,Clifton M,Ramsay EE,Russell AJ,Valli E,Gifford AJ,George J,Kennedy CJ,Wakefield MJ,Topp M,Ho GY,Australian Ovarian Cancer Study.,Scott CL,Bowtell DD,deFazio A,Norris MD,Hab

    更新日期:2020-10-15 00:00:00

  • Proteasome inhibition with bortezomib suppresses growth and induces apoptosis in osteosarcoma.

    abstract::Osteosarcomas are primary bone tumors of osteoblastic origin that mostly affect adolescent patients. These tumors are highly aggressive and metastatic. Previous reports indicate that gain of function of a key osteoblastic differentiation factor, Runx2, leads to growth inhibition in osteosarcoma. We have previously est...

    journal_title:International journal of cancer

    pub_type: 杂志文章

    doi:10.1002/ijc.25024

    authors: Shapovalov Y,Benavidez D,Zuch D,Eliseev RA

    更新日期:2010-07-01 00:00:00

  • Effect of NSAIDs on the recurrence of nonmelanoma skin cancer.

    abstract::Experimental studies have consistently shown a protective effect of nonsteroidal antiinflammatory drugs (NSAIDs) against nonmelanoma skin cancers (NMSC). However, little human epidemiological research has been done in this regard. We used data from the Skin Cancer Chemoprevention Study to explore the association of NS...

    journal_title:International journal of cancer

    pub_type: 杂志文章

    doi:10.1002/ijc.21878

    authors: Grau MV,Baron JA,Langholz B,Karagas M,Greenberg ER,Stukel TA,Mandel JS

    更新日期:2006-08-01 00:00:00

  • Application of differential display to identify genes for lung cancer detection in peripheral blood.

    abstract::A blood assay for detection of lung cancer biomarkers could significantly improve cancer patient prognosis and survival rates. Amplified fragment length polymorphism-differential display (AFLP-DD) was used to identify gene transcripts found in lung cancer tissue and the peripheral blood of lung cancer patients. The cl...

    journal_title:International journal of cancer

    pub_type: 杂志文章

    doi:10.1002/ijc.10534

    authors: Matsunaga H,Hangai N,Aso Y,Okano K,Kawamura M,Kobayashi K,Kambara H,Hoger JH,Mitsuhashi M

    更新日期:2002-08-10 00:00:00

  • Altered glutathione anti-oxidant metabolism during tumor progression in human renal-cell carcinoma.

    abstract::It has been proposed that oxidative stress develops in tumors, with important consequences for growth and progression. To investigate this hypothesis, we measured low m.w. thiols, disulfides, protein-mixed disulfides and a pool of major anti-oxidant enzymes in renal-cortex as well as renal-cell carcinoma (RCC) specime...

    journal_title:International journal of cancer

    pub_type: 杂志文章

    doi:10.1002/1097-0215(20010101)91:1<55::aid-ijc1006>3.

    authors: Lusini L,Tripodi SA,Rossi R,Giannerini F,Giustarini D,del Vecchio MT,Barbanti G,Cintorino M,Tosi P,Di Simplicio P

    更新日期:2001-01-01 00:00:00

  • STLV-I antibodies in feral populations of East African vervet monkeys (Cercopithecus aethiops).

    abstract::Serum samples from feral populations of African green monkeys (Cercopithecus aethiops) were screened for antibodies to the simian T-lymphotropic virus, type I (STLV-I). Blood samples had been collected from 336 monkeys in 4 regions of central and southern Kenya in 1978 and 1979, from 114 monkeys in central Ethiopia in...

    journal_title:International journal of cancer

    pub_type: 杂志文章

    doi:10.1002/ijc.2910380412

    authors: Dracopoli NC,Turner TR,Else JG,Jolly CJ,Anthony R,Gallo RC,Saxinger WC

    更新日期:1986-10-15 00:00:00

  • Possible role of Cdx2 in the serrated pathway of colorectal cancer characterized by BRAF mutation, high-level CpG Island methylator phenotype and mismatch repair-deficiency.

    abstract::Colorectal cancer is a heterogeneous disease at the histomorphological, clinical and molecular level. Approximately 20% of cases may progress through the "serrated" pathway characterized by BRAF mutation and high-level CpG Island Methylator Phenotype (CIMP). A large subgroup are additionally microsatellite instable (M...

    journal_title:International journal of cancer

    pub_type: 杂志文章

    doi:10.1002/ijc.28564

    authors: Dawson H,Galván JA,Helbling M,Muller DE,Karamitopoulou E,Koelzer VH,Economou M,Hammer C,Lugli A,Zlobec I

    更新日期:2014-05-15 00:00:00

  • A novel circulating tumor cell subpopulation for treatment monitoring and molecular characterization in biliary tract cancer.

    abstract::In biliary tract cancer (BTC), tissue biopsies to guide treatment are rarely feasible, thus implementing liquid biopsy approaches to improve patient management represents a priority. So far, studies on circulating tumor cells (CTCs) in BTC are insufficient to promote their use in patient clinical management and are li...

    journal_title:International journal of cancer

    pub_type: 杂志文章

    doi:10.1002/ijc.32822

    authors: Reduzzi C,Vismara M,Silvestri M,Celio L,Niger M,Peverelli G,De Braud F,Daidone MG,Cappelletti V

    更新日期:2020-06-15 00:00:00

  • Induction of in vitro and in vivo anti-tumor responses by sensitization of mice with liposomes containing a crude butanol extract of leukemia cells and transferred inter-membranously with cell-surface proteins.

    abstract::Generation of cytotoxic T lymphocytes (CTL) in vitro and tumor-rejection responses by sensitization of semi-syngeneic mice with tumor-antigen-reconstituted liposomes were investigated. Liposomes were prepared from a crude butanol extract (CBE) of BALBRVD leukemia cells and egg phosphatidylcholine (PC): 1,2-dimyristoyl...

    journal_title:International journal of cancer

    pub_type: 杂志文章

    doi:10.1002/ijc.2910480322

    authors: Shibata R,Noguchi T,Sato T,Akiyoshi K,Sunamoto J,Shiku H,Nakayama E

    更新日期:1991-05-30 00:00:00

  • Overexpression of the polarity protein PAR-3 in clear cell renal cell carcinoma is associated with poor prognosis.

    abstract::The partition-defective 3 (PAR-3) protein is implicated in the development and maintenance of cell polarity and is associated with proteins that mediate the changes in cytoskeleton organization required for cell polarity establishment. In this work, we used two original primary cell lines (R-180 and R-305) derived fro...

    journal_title:International journal of cancer

    pub_type: 杂志文章

    doi:10.1002/ijc.28548

    authors: Dugay F,Le Goff X,Rioux-Leclerq N,Chesnel F,Jouan F,Henry C,Cabillic F,Verhoest G,Vigneau C,Arlot-Bonnemains Y,Belaud-Rotureau MA

    更新日期:2014-05-01 00:00:00

  • Thymidylate synthase expression in circulating tumor cells: a new tool to predict 5-fluorouracil resistance in metastatic colorectal cancer patients.

    abstract::Thymidylate synthase (TYMS) is an important enzyme for 5-fluorouracil (5-FU) metabolism in metastatic colorectal cancer (mCRC) patients. The search for this enzyme in circulating tumor cells (CTCs) can be a powerful tool to follow-up cancer patients. mCRC patients were enrolled before the beginning of 5-FU-based chemo...

    journal_title:International journal of cancer

    pub_type: 杂志文章

    doi:10.1002/ijc.29495

    authors: Abdallah EA,Fanelli MF,Buim ME,Machado Netto MC,Gasparini Junior JL,Souza E Silva V,Dettino AL,Mingues NB,Romero JV,Ocea LM,Rocha BM,Alves VS,Araújo DV,Chinen LT

    更新日期:2015-09-15 00:00:00

  • Characteristic patterns of HOX gene expression in different types of human leukemia.

    abstract::Homeobox-containing genes are a network of genes encoding DNA-binding proteins highly conserved throughout evolution. They are involved in the control of normal development as well as in the regulation of gene expression in adult differentiating systems, including hematopoiesis. Aberrant expression of homeobox-contain...

    journal_title:International journal of cancer

    pub_type: 杂志文章

    doi:10.1002/ijc.2910530211

    authors: Celetti A,Barba P,Cillo C,Rotoli B,Boncinelli E,Magli MC

    更新日期:1993-01-21 00:00:00

  • Mendelian randomization analyses suggest a role for cholesterol in the development of endometrial cancer.

    abstract::Blood lipids have been associated with the development of a range of cancers, including breast, lung and colorectal cancer. For endometrial cancer, observational studies have reported inconsistent associations between blood lipids and cancer risk. To reduce biases from unmeasured confounding, we performed a bidirectio...

    journal_title:International journal of cancer

    pub_type: 杂志文章

    doi:10.1002/ijc.33206

    authors: Kho PF,Amant F,Annibali D,Ashton K,Attia J,Auer PL,Beckmann MW,Black A,Brinton L,Buchanan DD,Chanock SJ,Chen C,Chen MM,Cheng THT,Cook LS,Crous-Bous M,Czene K,De Vivo I,Dennis J,Dörk T,Dowdy SC,Dunning AM,Dürst

    更新日期:2021-01-15 00:00:00

  • Germline APOBEC3B deletion increases somatic hypermutation in Asian breast cancer that is associated with Her2 subtype, PIK3CA mutations, and immune activation.

    abstract::A 30-kb deletion that eliminates the coding region of APOBEC3B (A3B) is >5 times more common in women of Asian compared to European descent. This polymorphism creates a chimera with the APOBEC3A (A3A) coding region and A3B 3'UTR, and is associated with an increased risk for breast cancer in Asian women. Here, we explo...

    journal_title:International journal of cancer

    pub_type: 杂志文章

    doi:10.1002/ijc.33463

    authors: Pan JW,Zabidi MMA,Chong BK,Meng MY,Ng PS,Hasan SN,Sandey B,Bahnu S,Rajadurai P,Yip CH,Rueda OM,Caldas C,Chin SF,Teo SH

    更新日期:2021-01-07 00:00:00

  • MicroRNA alterations in head and neck squamous cell carcinoma.

    abstract::MicroRNAs (mirs) are small noncoding RNA molecules (~22 nucleotides) that regulate posttranscriptional gene expression. Currently, there has not been a comprehensive study of their role in primary head and neck squamous cell carcinoma (HNSCC). To determine the role of mirs in HNSCC, we screened for altered microRNA ex...

    journal_title:International journal of cancer

    pub_type: 杂志文章

    doi:10.1002/ijc.23831

    authors: Chang SS,Jiang WW,Smith I,Poeta LM,Begum S,Glazer C,Shan S,Westra W,Sidransky D,Califano JA

    更新日期:2008-12-15 00:00:00

  • Human monoclonal antibody GNX-8 directed to extended type 1 chain: Specific binding to human colorectal cancer.

    abstract::We observed previously that two carbohydrate epitopes, extended type 1 chain Le(a)-Le(a) and Le(b)-Le(a), are expressed strongly in human gastric or colorectal cancer and cell lines derived therefrom, but their expression in human normal colorectal cells is highly limited. A monoclonal antibody, termed GNX-8, was esta...

    journal_title:International journal of cancer

    pub_type: 杂志文章

    doi:10.1002/ijc.25131

    authors: Yang MC,Hsu FL,Handa K,Hakomori S,Lee MH,Liu LY,Chang SY,Ting J,Wen JY,Ishida I,Chang TH

    更新日期:2009-12-21 00:00:00

  • miR-137 targets Cdc42 expression, induces cell cycle G1 arrest and inhibits invasion in colorectal cancer cells.

    abstract::miRNAs have emerged as post-transcriptional regulators that are critically involved in the pathogenesis of a number of human cancers. Cdc42, one of the best characterized members of the Rho GTPase family, is found to be up-regulated in several types of human tumors and has been implicated in cancer initiation and prog...

    journal_title:International journal of cancer

    pub_type: 杂志文章

    doi:10.1002/ijc.25452

    authors: Liu M,Lang N,Qiu M,Xu F,Li Q,Tang Q,Chen J,Chen X,Zhang S,Liu Z,Zhou J,Zhu Y,Deng Y,Zheng Y,Bi F

    更新日期:2011-03-15 00:00:00

  • Secretion of basement membrane collagen degrading enzyme and plasminogen activator by transformed cells--role in metastasis.

    abstract::The relationship of a basement membrane collagen degrading enzyme (BM collagenase) and plasminogen activator (PA) was studied in a number of non-malignant and malignant human and murine cell lines. Several non-malignant cell lines secreted significant amounts of PA but not detectable BM collagenase activity whereas th...

    journal_title:International journal of cancer

    pub_type: 杂志文章

    doi:10.1002/ijc.2910300520

    authors: Salo T,Liotta LA,Keski-Oja J,Turpeenniemi-Hujanen T,Tryggvason K

    更新日期:1982-11-15 00:00:00

  • Inhibition of CXCR4/CXCL12 signaling axis by ursolic acid leads to suppression of metastasis in transgenic adenocarcinoma of mouse prostate model.

    abstract::Increasing evidences indicate that CXCR4/CXCL12 signaling pathway plays a pivotal role in the process of distant site metastasis that accounts for more than 90% of prostate cancer related deaths in patients. Thus, novel drugs that can downregulate CXCR4/CXCL12 axis have a great potential in the treatment of metastatic...

    journal_title:International journal of cancer

    pub_type: 杂志文章

    doi:10.1002/ijc.26120

    authors: Shanmugam MK,Manu KA,Ong TH,Ramachandran L,Surana R,Bist P,Lim LH,Kumar AP,Hui KM,Sethi G

    更新日期:2011-10-01 00:00:00

  • A bacterial genotoxin causes virus reactivation and genomic instability in Epstein-Barr virus infected epithelial cells pointing to a role of co-infection in viral oncogenesis.

    abstract::We have addressed the role of bacterial co-infection in viral oncogenesis using as model Epstein-Barr virus (EBV), a human herpesvirus that causes lymphoid malignancies and epithelial cancers. Infection of EBV carrying epithelial cells with the common oral pathogenic Gram-negative bacterium Aggregatibacter actinomycet...

    journal_title:International journal of cancer

    pub_type: 杂志文章

    doi:10.1002/ijc.31652

    authors: Frisan T,Nagy N,Chioureas D,Terol M,Grasso F,Masucci MG

    更新日期:2019-01-01 00:00:00

  • Oncogenicity of Friend-virus-infected cells: determination of origin of spleen colonies by the H-2 antigens as genetic markers.

    abstract::Spleen cells from mice infected with Friend leukemia virus (FLV) inoculated by the intravenous route give rise to macroscopically visible colonies in the spleens of normal F1 histocompatible hybrid hosts. A study of H-2 antigens as generic markers for identification of strains of origin of cells constituting the splee...

    journal_title:International journal of cancer

    pub_type: 杂志文章

    doi:10.1002/ijc.2910220418

    authors: Wendling F,Tambourin PE

    更新日期:1978-10-15 00:00:00

  • Opposing effects of HIF1α and HIF2α on chromaffin cell phenotypic features and tumor cell proliferation: Insights from MYC-associated factor X.

    abstract::Pheochromocytomas and paragangliomas (PPGLs) are catecholamine-producing chromaffin cell tumors with diverse phenotypic features reflecting mutations in numerous genes, including MYC-associated factor X (MAX). To explore whether phenotypic differences among PPGLs reflect a MAX-mediated mechanism and opposing influence...

    journal_title:International journal of cancer

    pub_type: 杂志文章

    doi:10.1002/ijc.28868

    authors: Qin N,de Cubas AA,Garcia-Martin R,Richter S,Peitzsch M,Menschikowski M,Lenders JW,Timmers HJ,Mannelli M,Opocher G,Economopoulou M,Siegert G,Chavakis T,Pacak K,Robledo M,Eisenhofer G

    更新日期:2014-11-01 00:00:00

  • Genotype and phenotype factors as determinants of desmoid tumors in patients with familial adenomatous polyposis.

    abstract::Desmoids represent the most important cause of death, after colorectal cancer, in patients affected with familial adenomatous polyposis (FAP), an inherited disease due to mutations in the APC gene. The aims of our study were to estimate the risk of developing desmoids in FAP patients and to evaluate the association be...

    journal_title:International journal of cancer

    pub_type: 杂志文章

    doi:10.1002/1097-0215(20010320)95:2<102::aid-ijc1018>3

    authors: Bertario L,Russo A,Sala P,Eboli M,Giarola M,D'amico F,Gismondi V,Varesco L,Pierotti MA,Radice P,Hereditary Colorectal Tumours Registry.

    更新日期:2001-03-20 00:00:00

  • The clinical impact of using p16(INK4a) immunochemistry in cervical histopathology and cytology: an update of recent developments.

    abstract::Cervical cancer screening test performance has been hampered by either lack of sensitivity of Pap cytology or lack of specificity of Human Papillomavirus (HPV) testing. This uncertainty can lead to unnecessary referral and treatment, which is disturbing for patients and increases costs for health care providers. The i...

    journal_title:International journal of cancer

    pub_type: 杂志文章,评审

    doi:10.1002/ijc.28900

    authors: Bergeron C,Ronco G,Reuschenbach M,Wentzensen N,Arbyn M,Stoler M,von Knebel Doeberitz M

    更新日期:2015-06-15 00:00:00

  • Heterogeneous ribonucleoprotein K is a marker of oral leukoplakia and correlates with poor prognosis of squamous cell carcinoma.

    abstract::Oral leukoplakia is a heterogeneous lesion with risk of cancer development; there are no biomarkers to predict its potential of malignant transformation. Tissue proteomic analysis of oral leukoplakia using iTRAQ labeling liquid chromatography-mass spectrometry showed overexpression of heterogeneous ribonucleoprotein K...

    journal_title:International journal of cancer

    pub_type: 杂志文章

    doi:10.1002/ijc.24517

    authors: Matta A,Tripathi SC,DeSouza LV,Grigull J,Kaur J,Chauhan SS,Srivastava A,Thakar A,Shukla NK,Duggal R,DattaGupta S,Ralhan R,Michael Siu KW

    更新日期:2009-09-15 00:00:00