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43.2 %Among 294 Nigerian women with breast cancer who had immunohistochemical analysis, 43.2% were classified as hormone receptor positive (HRP).

Nigeriacancer du seinpublished 2022Cancer epidemiologyPubMeddocument of 9 observations

13 cancersOf 15 biopsy-confirmed cancers, clinical breast examination detected an ipsilateral breast abnormality in 13 (87%) women.

Nigeriacancer du seinpublished 2022The Lancet. Global healthPubMeddocument of 19 observations

761 patientsThe total number of patients with breast cancer at the University College Hospital Ibadan, Nigeria from 2008 to 2012 was 761.

Nigeriacancer du seinobserved 2008 to 2012published 2019The Pan African medical journalPubMeddocument of 7 observations

60 %Sleep disturbances were reported by 60% of breast cancer patients undergoing chemotherapy in Delta State, Nigeria.

Nigeriacancer du sein · sleep disturbancespublished 2026The Pan African medical journalPubMeddocument of 5 observations

70 %More than 70% of the 45 breast cancer patients assessed between January and June 2018 were well nourished.

Nigeriacancer du seinobserved January and June 2018published 2022Nutrition and cancerPubMeddocument of 7 observations

17 %17% of the tumors were human epidermal growth factor receptor 2 (HER2)-positive.

Nigeriacancer du seinpublished 2009Journal of clinical oncology : official journal of the American Society of Clinical Oncoloeurope_pmcdocument of 12 observationsDOI 10.1200/jco.2008.19.6873

27 %27% of the tumors were basal-like.

Nigeriacancer du seinpublished 2009Journal of clinical oncology : official journal of the American Society of Clinical Oncoloeurope_pmcdocument of 12 observationsDOI 10.1200/jco.2008.19.6873

80 %In Nigeria, the incidence of breast cancer has increased by over 80% in the last four decades.

Nigeriacancer du seinobserved last four decadespublished 2022The Pan African medical journalPubMeddocument of 9 observations

Black women of African ancestry experience higher mortality rates from breast cancer than White women of European ancestry.

Nigeriacancer du seinpublished 2020Whole-genome analysis of Nigerian patients with breast cancer reveals ethnic-driven somatieurope_pmcdocument of 2 observationsDOI 10.1101/2020.10.28.359240

9.8 %Eight (9.8%) of the breast cancer patients were seen during the third year of follow-up.

Nigeriacancer du seinobserved 2011–2015published 2020The Pan African medical journalPubMeddocument of 16 observations

The incidence of breast cancer is rising in Nigeria.

Nigeriacancer du seinpublished 2026JCO global oncologyPubMeddocument of 9 observations

46.86 %The left breast was more commonly affected (46.86%) than the right breast (44.41%) or bilateral lesions (7.20%) among the 3,263 breast histopathology records.

Nigeriacancer du seinobserved 2015 to 2023published 2025Scientific reportsPubMeddocument of 12 observations

31 out_of_56The median knowledge score of health care providers on breast cancer was 31 out of 56.

Nigeriacancer du seinpublished 2020JCO global oncologyPubMeddocument of 7 observations

28 %Breast cancer was an underlying aetiology in 28% of patients in the series.

Nigeriacancer du sein · pathological nipple dischargeobserved 2010-2020published 2023West African journal of medicinePubMeddocument of 10 observations

49 yearsThe mean age of respondents was 49 years in a study of breast cancer patients at University College Hospital, Ibadan, Nigeria.

Nigeriacancer du seinobserved 2018published 2019Journal of global oncologyPubMeddocument of 9 observations

27.9 %In the MEND case-control study, 27.9% of Nigerian breast cancer cases were grade 3.

Nigeriacancer du seinpublished 2026Breast cancer research and treatmentPubMeddocument of 10 observations

0.51 odds_ratioWomen in the higher leisure-time physical activity quartiles (Q3–Q4) versus Q1 had lower odds of having breast cancer (OR = 0.51, 95% CI: 0.35–0.74).

Nigeriacancer du seinpublished 2022Cancer epidemiologyPubMeddocument of 9 observations

58 %Among breast cancer cases recorded by the Edo-Benin Cancer Registry (EBCR) from 2016 to 2018, 58% of those detected clinically were assigned to palliative care.

Nigeriacancer du seinobserved 2016 to 2018published 2025Cancer causes & control : CCCPubMeddocument of 9 observations

29.8 scoreThe pre-intervention overall symptom domain score was 29.8 ± 10.24 for the control group.

Nigeriacancer du seinpublished 2021Asian Pacific journal of cancer prevention : APJCPPubMeddocument of 8 observations

33.333 %Approximately one-third of participants were diagnosed with high-grade breast cancer.

Nigeriacancer du seinpublished 2021Annals of global healthPubMeddocument of 7 observations

60 %Nearly 60% of the 725 health care providers surveyed believed breast cancer is always deadly.

Nigeriacancer du seinpublished 2020JCO global oncologyPubMeddocument of 7 observations

4.5 %Only 4.5% of female artisans in Ibadan, Nigeria had a high level of knowledge about breast cancer.

Nigeriacancer du seinpublished 2025Women's health (London, England)PubMeddocument of 7 observations

15 %Every additional 6 months of breastfeeding over a lifetime reduced breast cancer odds by 15% in women < 50 years.

Nigeriacancer du seinpublished 2022Cancer causes & control : CCCPubMeddocument of 7 observations

11.2 %HER2/neu enriched subtype was found in 11.2% of cases.

Nigeriacancer du seinpublished 2024West African journal of medicinePubMeddocument of 13 observations

30.1 %Her-2/neu was overexpressed in 30.1% of 107 newly diagnosed breast cancer patients.

Nigeriacancer du seinobserved 2016-04-01 to 2018-09-30published 2019European journal of surgical oncology : the journal of the European Society of Surgical OnPubMed