Evidence map›Paper›PMID 32167660›Full record

ArticleCancer medicine2020

Delayed presentation, diagnosis, and psychosocial aspects of male breast cancer.

Michael Co, Andrea Lee, Ava Kwong

Abstract read
In one paragraph

Article in Cancer medicine, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
38citing papers in PubMed, 2 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

38 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
  2. Pooled it
  3. Trends in male breast cancer in Spain, 1999-2023: a nationwide analysis of incidence and mortality.Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico · 2026
    Article
  4. Mapping the invisible: a Bayesian spatio-temporal analysis of male breast cancer mortality inequalities across Spanish provinces, 1999-2023.Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico · 2026
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  19. Exploring the One Health Paradigm in Male Breast Cancer.Journal of mammary gland biology and neoplasia · 2024
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors.

Michael CoDivision of Breast Surgery, The University of Hong Kong, Hong Kong.ORCID 0000-0002-1705-051X
Andrea LeeDivision of Breast Surgery, The University of Hong Kong, Hong Kong.
Ava KwongDivision of Breast Surgery, The University of Hong Kong, Hong Kong.ORCID 0000-0002-6968-9489

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionMale breast cancer is uncommon, delay in seeking medical attention often results in late presentation and poor prognosis.

methodsRetrospective review of a prospectively maintained database was performed. Patients who were still having regular follow-up were contacted for telephone interview.

resultsIn this study, 56 male breast cancer patients were treated in our center from January 1998 to December 2018, accounting for 0.88% of all breast cancers treated during the same period of time. Median age of onset was 61 years old (Range: 33-95). In this study, 6 (10.7%) patients presented with distant metastasis at the time of diagnosis and received palliative systemic treatment only. And, 50 patients were surgically treated and all had mastectomy. Axillary dissection was performed in 36 (72%) patients, while sentinel node biopsy was performed in 14 (28%) patients. Median tumor size was 23 mm (2-100 mm). A Majority were diagnosed with invasive carcinoma (NOS), while 38 (67.8%) patients were node positive.Here 36 (64.3%) patients were alive at the time of the study, 31 (86.1%) patients responded to the telephone interview. More than 90% of our patients expressed various degrees of embarrassment at the time of breast symptom onset. Similarly, more than 90% of these patients experienced embarrassment while waiting in the breast center with predominant female patients. Most patients (N = 26) were not aware that breast cancer can occur in men prior to the diagnosis. Median duration from symptoms to the first medical consultation was 12.4 months (1-120 months).

conclusionMale breast cancer is rare and patients usually present late, Lack of knowledge, public education, and embarrassment are the important related factors.

Indexed as

Delayed DiagnosisEmbarrassmentAdultAgedAged, 80 and overAxillaBreast Neoplasms, MaleCarcinomaHealth Knowledge, Attitudes, PracticeHumansLymph Node ExcisionMaleMastectomyMiddle AgedNeoplasm StagingPatient Acceptance of Health Care

Identifiers

PMID32167660
PMCPMC7221437

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.