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4.2 %Thirty-two (4.2%) of the 761 breast cancer patients had rare histology.

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

85 %Knowledge of breast self-examination increased to 85.0% higher than baseline at one month in three randomly-selected schools in Southeast Nigeria.

Nigeriacancer du seinpublished 2025Journal of health, population, and nutritionPubMeddocument of 6 observations

46 %Among the cancers recorded by the Edo-Benin Cancer Registry (EBCR) from 2016 to 2018, 46% of breast cancer cases (n = 205), 43% of cervical cancer cases (n = 146), and 50% of prostate cancer cases (n = 250) were identified through health check-ups.

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

13.75 scorePost-intervention mean BSE knowledge scores in the traditional method group increased to 13.75 ± 4.09.

Nigeriacancer du seinpublished 2024BMC cancerPubMeddocument of 11 observations

67.5 %67.5% of the respondents had poor knowledge of the risk factors and symptoms of breast cancer.

Nigeriacancer du seinpublished 2024West African journal of medicinePubMeddocument of 7 observations

99 %Among 352 breast cancer patients, 99% were female.

Nigeriacancer du seinpublished 2025American journal of surgeryPubMeddocument of 13 observations

60 %Sixty percent of the participants met the diagnostic interval of within 60 days, against the recommended 80%.

Nigeriacancer du seinpublished 2025BMC cancerPubMeddocument of 11 observations

28 %28% of the tumors were unclassified subtype.

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

0.79 odds_ratioHigher BMI was associated with reduced odds of breast cancer overall (adjusted OR: 0.79; 95% CI: 0.67, 0.95).

Nigeriacancer du seinpublished 2021BMC cancerPubMeddocument of 5 observations

0.3 %Squamous cell carcinoma, stromal sarcoma, cribriform carcinoma, and Paget's disease each accounted for 2 (0.3%) of the 761 breast cancer patients.

Nigeriacancer du sein · cribriform carcinoma · Paget's disease · squamous cell carcinoma · stromal sarcomaobserved 2008 to 2012published 2019The Pan African medical journalPubMeddocument of 7 observations

0 patientsNone of the 82 breast cancer patients had immunohistochemistry performed.

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

51.1 %In the case group, more than half (51.1%) of newly diagnosed patients with primary invasive breast cancer in Nigeria never consumed beans_alone in the past year.

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

5 cmThe difference in tumor size between detection and arrival at a specialist clinic was 5.0 ± 4.9 cm (95% CI 4.0–5.0).

Nigeriacancer du seinobserved June 2017 to May 2018published 2020BMC public healthPubMeddocument of 9 observations

57.34 %Benign lesions were especially prevalent among young adults (20–39 years) at 57.34% among the 3,263 breast histopathology records.

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

67 scoreThe pre-intervention overall functional quality of life domain score was 67.0 ± 20.13 for the control group.

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

90 %Breast cancer has a 5-year survival of 90% in the United States.

Nigeriacancer du seinpublished 2026JCO global oncologyPubMeddocument of 3 observations

51.3 %Only 53 (51.3%) of the 103 undergraduate female students were aware of breast self-examination.

Nigeriacancer du seinobserved 2022published 2024BMC cancerPubMeddocument of 5 observations

318 patientsThere were 318 breast cancer patients in the institutional database during 2016–2018.

Nigeriacancer du seinobserved 2016-2018published 2023West African journal of medicinePubMeddocument of 8 observations

33 %Each standard deviation increase in cumulative lifetime endogenous estrogen exposure (CLEEE) was associated with 33% higher breast cancer odds in multivariable models adjusting for BMI and menopausal status.

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

379 casesThere were 379 histologically confirmed breast cancer cases in the study conducted in Nigeria.

Nigeriacancer du seinpublished 2022Cancer epidemiologyPubMeddocument of 6 observations

73.3 %Among 45 breast cancer patients assessed between January and June 2018, 73.3% had high levels of C-reactive protein (CRP).

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

22.3 %Only 21 out of 94 women with breast cancer had good knowledge of the recommended exercise, representing 22.3%.

Nigeriacancer du seinpublished 2021Breast diseasePubMeddocument of 4 observations

10.5 yearsA unique genomic subtype of breast cancer is defined by early clonal GATA3 mutations with a 10.5-year younger age at diagnosis.

Nigeriacancer du seinpublished 2021Nature communicationseurope_pmcdocument of 3 observationsDOI 10.1038/s41467-021-27079-w

76.2 %Seventy-six point two percent of the participants were diagnosed with breast cancer within the previous two years.

Nigeriacancer du seinobserved previous two yearspublished 2023African journal of reproductive healthPubMeddocument of 4 observations

19 participantsNineteen out of 46 participants (41%) could not name risk factors for breast cancer.

Nigeriacancer du seinpublished 2025BMC cancerPubMeddocument of 11 observations