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Ginecología y obstetricia de México
versión impresa ISSN 0300-9041
Resumen
SANTIAGO SANABRIA, Leopoldo et al. Benign mammographic findings that simulate malignancy: a diagnostic dilemma. Ginecol. obstet. Méx. [online]. 2024, vol.92, n.4, pp.153-168. Epub 07-Jun-2024. ISSN 0300-9041. https://doi.org/10.24245/gom.v92i4.9218.
OBJECTIVE:
To identify the main benign histopathological findings that often cause conflict when categorizing mastographies in the BI-RADS system due to their appearance, which may simulate a malignant process and false positive rate.
MATERIALS AND METHODS:
Retrospective cohort study carried out in patients attended at the Unidad Médica de Alta Especialidad 4 Luis Castelazo Ayala (2019-2023) with an altered mastographic report or clinical suspicion of malignancy. For statistical analysis we used the JASP 2.0 programme and χ2 for the difference in proportions between groups.
RESULTS:
From a group of 11,481 patients, 1,643 altered mastograms were reported: 444 with false positive reports, 23 patients with clinical suspicion and exclusion of 16 who did not meet the established inclusion criteria. The population sample studied was 451 patients. The majority remained asymptomatic at the time of the study (42.1%). The most prevalent benign histopathological finding was fibroadenoma and the most relevant symptom was a palpable nodule. The false positive rate was 4.3%.
CONCLUSIONS:
Currently, thanks to the implementation of screening programmes it is possible to establish breast cancer diagnoses in early stages, although with the disadvantage that the report may be false positive and this may lead to increased morbidity and overtreatment. International standards indicate that these should not exceed 10%.
Palabras llave : Brest neoplasms; Fibroadenoma; Overtreatment; Morbidity; Breast; Benign breast lesion; Mammography; False-positive reaction.