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Mastology is an international, multidisciplinary Journal, and the official publication of the Brazilian Society, is a specific medical journal established in 1991 to provide continuing medical education with a focus on breast diseases. The intentions are publishing articles on epidemiology, prevention and control, screening, biomarkers, diagnosis, therapeutics, rehabilitation, life of quality and scientific advances to improve the understanding of breast diseases and patient-related care.

All manuscripts will be initially accessed by the Editor for suitability for the Journal. Papers deemed suitable are then evaluated by at least two independent expert reviewers, in a blind-review process to assess the scientific quality of the paper. The Editor is responsible for the final decision regarding acceptance or rejection of articles. Those that do not have merit, which contain significant methodological errors, or that do not fit into the editorial policy of the Journal will be rejected and can not be appealed. The reviewers’ comments will be returned to the Authors for modifications in the text or justification of their conservation. Only after the final approval of the reviewers and Editors, will the manuscripts be forwarded for publication. All manuscripts accepted for publication shall become the property of the Journal and may not be edited, in whole or in part, by any other means of dissemination, without the prior written authorization issued by the Editor-in-Chief.


If the paper involves the use of human subjects, the authors should ensure that it has been carried out following The Code of Ethics of the World Medical Association (Declaration of Helsinki) for experiments involving humans; Uniform Requirements for manuscripts submitted to Biomedical journals. The authors should include a statement in the manuscript that informed consent was obtained for experimentation with human subjects. The privacy rights of human subjects must always be observed. All animal experiments should comply with the ARRIVE guidelines and should be carried out following the U.K. Animals (Scientific Procedures) Act, 1986 and associated guidelines, EU Directive 2010/63/EU for animal experiments, or the National Institutes of Health guide for the care and use of Laboratory Animals (NIH Publications No. 8023, revised 1978) and the authors should clearly indicate in the manuscript that such guidelines have been followed. The Journal will not accept editorial material for commercial purposes.

Submission of manuscripts

Articles can be sent in Portuguese or English. After approval, all papers will be translated into English by Mastology free for charge. Mastology publishes the following categories: Editorials, Original Articles, Short Communications, Review Articles, Images in Mastology,  Case Reports, Technical Innovations, and Letters to the Editor.

Original Articles: Describes experimental research or clinical research – prospective or retrospective, randomized, or double-blind. They must have 3,000 to 5,000 words, excluding illustrations (tables, figures [maximum of 5]) and references [maximum of 30 and preferably from the last 5 years]. Manuscripts containing original clinical or experimental research results will be prioritized for publication. All manuscripts must present Title in English, Abstract, Keywords, Introduction, Methods, Results, Discussion, Conclusions, and References.

Short Communications: Reports on important new results that fall within the scope of the journal may be submitted as short communications. These papers should not exceed 2,000 words in length and 20 references preferably from the last 5 years and should follow the structure of an original research paper.

Review Articles: Systematic critical evaluation of the literature on a given subject, so as to contain a comparative analysis of the works in the area, which discusses the limits and methodological scope, allowing to indicate perspectives of continuity of studies in that line of research and should contain conclusions. The procedures adopted for the review, as well as the search, selection, and evaluation strategies of the articles should be described, clarifying the delimitation and limits of the theme. Its maximum length should be 5,000 words and the maximum number of bibliographical references of 60 and preferably from the last 5 years. Systematic reviews and meta-analysis are advised. Title, Abstract, Keywords, Introduction, Methods, Results, Discussion, Conclusions, and References. The general instructions for figures, tables and references are the same as for the original articles.

Images in Mastology: Unusual images in clinical practice or associated with topics that are considerate as rare. The text will be continuous, expressing the rarity or singularity of the case, a maximum of 400 words, and no more than 10 references and 3 figures. They must present Title, Abstract (non-structured up to 150 words), Keywords, and References.

Case reports: They are manuscripts reporting unpublished, highly interesting, and well-documented clinical cases from a clinical and laboratory point of view. The text should express the rarity or singularity of the case, at a maximum of 2,000 words, and no more than 20 references preferably from the last 5 years and 3 figures. They should observe the structure: Introduction, Case report (with patient description, results of clinical exams, follow-up, diagnosis), Discussion (with similarity data in the literature), and Conclusion. They must present Abstract (unstructured), Keywords, and up to 20 References.

Letters to the Editor: They aim to comment or discuss papers published in the journal or report original research in progress. They will be published at the discretion of the Editors, with the corresponding reply where applicable. They must not exceed 600 words and 5 references from the last 5 years.

EditorialsEditorials are commissioned by the Editors, commenting on relevant works of the Journal itself, relevant researches, or communications from Editors. Authors who wish to contribute an Editorial to the Journal should contact the Editorial Office ([email protected]) prior to writing and submitting the Editorial.

Preparation of the Manuscript

a) Title page
• Title of the article in English containing between 10 and 12 words, without articles and prepositions. The Title should be motivating and should give an idea of ​​the objectives and content of work;
• full name of each author, without abbreviations;
• indication of the academic degree and institutional affiliation of each author, separately. If there is more than one institutional affiliation, indicate only the most relevant;
• number of ORCID of all authors;
• indication of the Institution where the work was done;
• name, address, and e-mail of the corresponding author;
• sources of research assistance, if any;
• declaration of conflicts of interest.

b) Second page
Abstract and Descriptors: Abstract, in Portuguese or English, with a maximum of 300 words. For the original articles, should be structured (Introduction, Methods, Results, Conclusions), highlighting the most significant data of the work. Case reports, revisions, or updates and a previous note, the summary should not be structured. Below the abstract, specify at least five and at most ten descriptors (Keywords) that define the subject of the work. The descriptors should be based on the MESH (Medical Subject Headings) available for consultation at https://www.ncbi.nlm.nih.gov/mesh. If no descriptors are available to cover the subject of the manuscript, terms or expressions available in PubMed (https://www.ncbi.nlm.nih.gov/pubmed) are allowed.

c) Text
You should strictly obey the structure for each category of the manuscript.
In all manuscript categories, the citation of the authors in the text should be numeric and sequential.
Using Arabic numerals in parentheses and envelopes.
The standards to be followed were based on the format proposed by the International Committee of Medical Journal Editors and published in the article Uniform requirements for manuscripts submitted to biomedical journals also available for consultation at http://www.icmje.org.

Presentation of the text

You must use the Microsoft Word® processor.
Do not emphasize excerpts from the text: do not underline and do not use bold. Do not use capital letters in proper nouns (other than the first letter) in the text or Bibliographical References. When using acronyms or abbreviations, describe them in full the first time they are mentioned in the text.


The abstract should contain relevant information, allowing the reader to get a general idea of ​​the work. All articles submitted must have an abstract in Portuguese or English, until 300 words. For original articles, the abstract should be structured including introduction, methods, results, and conclusions. For the other categories, the format of the abstracts may be the narrative, but preferably with the same information. They should not contain quotations and with a minimum of abbreviations.


In this section, show the current state of knowledge about the topic under study, divergences and, gaps that may possibly justify the development of the work, but without extensive review of the literature. For Case Reports, present a summary of the cases already published, epidemiology of the reported condition and, a justification for the presentation as an isolated case. Clearly state the objectives of the work.


Start this section indicating the work planning: whether prospective or retrospective; Clinical or experimental trial; Whether the distribution of cases was random or not, and so on. Describe the criteria for the selection of patients or experimental groups, including controls. Identify the equipment and reagents used. If the applied methodology has already been used, give the references in addition to the brief description of the method. Also, describe the statistical methods employed and the comparisons for which each test was used. In the Case Reports, the sections Material and Methods and Results are replaced by the description of the case, remaining the remaining cases.


It should be limited to describing the results found without including interpretations and comparisons. Present the results in a logical sequence, with text, tables, and figures.


It should properly and objectively explore the results, discussed in light of other observations already recorded in the literature, highlighting the new and original information obtained in the research. Emphasize the appropriateness of the research methods used. Compare and relate the observations with those of other authors, commenting, and explaining the differences that occur. Explain the implications of the findings, their limitations, and make recommendations. The discussion should culminate with the conclusions, indicating ways for new research or implications for professional practice. For Case Reports, base the Discussion on a broad and updated literature review.


Collaborations of individuals, institutions, or acknowledgments for financial support, technical aids, deserving recognition, but not justifying inclusion as the author, should be included.


References should be listed at the end of the article, numbered consecutively, following the order in which they were first mentioned in the text, based on the Vancouver style (see: “Uniform Requirements for Manuscripts Submitted to Biomedical Journals: Writing and Editing for Medical Publication” [https://www.nlm.nih.gov/bsd/uniform_requirements.html]). All authors and works cited in the text should be included in this section and vice versa. Articles accepted for publication may be cited accompanied by the expression: accepted and awaiting publication, or “in press” indicating the periodical, volume and year.
For all references, cite all authors up to six. When in greater numbers, cite the first six authors followed by the expression et al, for examples:

Articles of Journals

Freitas-Junior R, Martins E, Metran-Nascente C, Carvalho AA, Silva MFD, Soares LR, et al. Double-blind placebo-controlled randomized clinical trial on the use of paracetamol for performing mammography. Medicine (Baltimore). 2018;97(13):e0261.

Silva BB, Sousa-Esteves FC, Martins RS, Salha CP, Paiva-Melo BN, Moura CS, et al. Clinical and epidemiological profile of women with breast cancer managed in a public referral hospital in northeastern Brazil. Eur J Gynaecol Oncol. 2016;37(6):814-6.

Book Chapters with authorship

Urban C and Reitjens M. Oncoplastic Surgery. In: Veronesi U, Goldhirsch A, Veronesi P, Gentilini OD and Leonardi MC. Breast Cancer: innovations in research and management. Switzerland,  Springer International Publishing, 2017. p. 427-34.

Electronic publications

Breast cancer: prevention and control. World Health Organization. <https://www.who.int/cancer/detection/breastcancer/en/index2.html> [Accessed 27 April 2020].

Tables and Figures

The presentation of this material should be in black and white, on separate pages, with captions and respective numbers printed next to each illustration. The name of the manuscript and authors must be noted on the back of each figure and table. All tables and figures should also be sent in digital files, preferably in Microsoft Word ® files and the rest in Microsoft Excel ®, Tiff or JPG files. The quantities, units and symbols used in the tables must comply with the national nomenclature. The colorful pictures are preferred for documentation of surgery and biopsy.
Captions: Print the captions using double space, accompanying the respective figures (graphics, photographs and illustrations) and tables. Each caption should be numbered in Arabic numerals, corresponding to its citations in the text.

Abbreviations and Acronyms

They must be preceded by the full name when first mentioned in the text. In tables, figures should be to contain their meaning below the table.
If the illustrations have already been published, they must be accompanied by written authorization from the author or publisher, with the reference source where it was published.
The text entered in the program “Word for Windows, with double space, with text in Arial font, size 12. It must be submitted electronically and the Mastology reserves the right not to accept for evaluation the articles that do not fulfill the criteria formulated above.

Submission of the manuscript
The manuscript must be accompanied by a letter signed by all the authors, authorizing its publication, stating that it is unpublished and that it was not, or is being submitted for publication in another periodical.
All persons designated as authors must respond for the authorship of the manuscript and have participated sufficiently in the work to assume public responsibility for its content. Authorship credit must be reported using CRediT (Contributor Roles Taxonomy) – CASRAI attribution (https://casrai.org/credit/) that including 14 roles which can be used to describe each contributor’s specific contribution to the scholarly output.

• Conceptualization – Ideas; formulation or evolution of overarching research goals and aims.

• Data curation – Management activities to annotate (produce metadata), scrub data and maintain research data (including software code, where it is necessary for interpreting the data itself) for initial use and later re-use.

• Formal analysis – Application of statistical, mathematical, computational, or other formal techniques to analyze or synthesize study data.

• Funding acquisition ​- Acquisition of the financial support for the project leading to this publication.

• Investigation – ​Conducting a research and investigation process, specifically performing the experiments, or data/evidence collection.

• Methodology – Development or design of methodology; creation of models.

• Project administration – Management and coordination responsibility for the research activity planning and execution.

• Resources – Provision of study materials, reagents, materials, patients, laboratory samples, animals, instrumentation, computing resources, or other analysis tools.

• Software – Programming, software development; designing computer programs; implementation of the computer code and supporting algorithms; testing of existing code components.

• Supervision – Oversight and leadership responsibility for the research activity planning and execution, including mentorship external to the core team.

• Validation – Verification, whether as a part of the activity or separate, of the overall replication/reproducibility of results/experiments and other research outputs.

• Visualization – Preparation, creation and/or presentation of the published work, specifically visualization/data presentation.

• Writing – original draft – ​Preparation, creation and/or presentation of the published work, specifically writing the initial draft (including substantive translation).

• Writing – review &amp; editing – Preparation, creation and/or presentation of the published work by those from the original research group, specifically critical review, commentary or revision – including pre- or post-publication stages


Declaration of Conflict of Interests, as relevant, The Declaration of Conflict of Interests, according to Resolution of the Federal Council of Medicine in 1595/2000, prohibits that in a scientific article is made promotion or advertisement of any commercial products or equipment.

• The number and Institution of the Ethics committee approval must be reported.
• If the ethical evaluation is not necessary because resolution 466, it must be cited (for
example: meta-analysis, systematic review)
• Case reports need Ethics committee approval that must be reported.


• Information on possible sources of research funding must be reported.

The works must be submitted through the electronic address: