• Nino José Wilson Moterani Júnior, Vinicius César Moterani, Laura Bresciani Bento Gonçalves Moterani, Franklin Fernandes Pimentel, and ReisFrancisco José Candido DosFJCDhttp://orcid.org/0000-0001-5758-5917Universidade de São Paulo, Ribeirão Preto Medical School, Department of Gynecology and Obstetrics - São Paulo (SP), Brazil..
• Faculdade de Medicina de Marília, Department of Gynecology and Obstetrics - Marília (SP), Brazil.
• Rev Assoc Med Bras (1992). 2022 Jan 1; 68 (6): 842-846.

ObjectiveThe coronavirus disease 2019 pandemic has disrupted cancer screening worldwide. This study aims to analyze the changes in the rates of screening mammograms and BIRADS 4 or 5 mammograms during the coronavirus disease 2019 pandemic in the opportunistic scenario.MethodsWe integrated three different public databases from the state of São Paulo, Brazil, to obtain the rate of screening mammograms per 1,000, and the rate of BIRADS 4 or 5 mammograms per 100,000 women aged from 50 to 69 years in the years from January 2017 to December 2020.ResultsThe mean monthly screening mammograms decreased from 14.8/1,000 in 2019 to 9.25/1,000 in 2020, with the lowest rates being recorded in May 2020 (3.1/1,000). The mean monthly high-risk mammograms decreased from 12.8/100,000 in 2019 to 9.1/100,000 in 2020, with the lowest rates being recorded in April 2020 (4.3/100,000).ConclusionsCoronavirus disease 2019 pandemic significantly decreased mammography screening in an opportunistic scenario, a warning sign for decreasing diagnosis of breast cancer in early stages, and increasing advanced stage diagnosis and mortality in the future.

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