ISSN: 1899-0967
Polish Journal of Radiology
Established by prof. Zygmunt Grudziński in 1926 Sun
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1/2022
vol. 87
 
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Urogenital radiology
abstract:
Original paper

Evaluation of the frequency of incidental findings and their clinical significance in multiparametric prostate magnetic resonance imaging examination

Emre Emekli
1
,
Elif Gündoğdu
2

1.
Department of Radiology, Etimesgut Şehit Sait Ertürk State Hospital, Ankara, Turkey
2.
Department of Radiology, Faculty of Medicine, Eskişehir Osmangazi University, Eskişehir, Turkey
© Pol J Radiol 2022; 87: e409-e414
Online publish date: 2022/07/21
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Introduction
Conventional diagnostic methods have limitations in the diagnosis of prostate cancer (PCa); therefore, the use of multiparametric magnetic resonance imaging (mpMRI) in PCa has become widespread. We aimed to determine the frequency of IF detected in the mpMRI examination according to organ distribution and clinical significance.

Material and methods
mpMRI examinations performed between January 2015 and 2020 based on the diagnosis or suspicion of PCa were retrospectively evaluated. IFs were divided into 2 groups, as genitourinary system and non-genitourinary system findings. In addition, IFs were also evaluated in 2 groups, as clinically significant and clinically non-significant. The patient population was divided into age ranges, and the frequency of IFs in these age ranges and their clinical significance were recorded.

Results
The mpMRI examinations of 426 patients revealed a total of 321 Ifs, comprising 212 (49.8%) genitourinary (41.1%) and 189 (58.9%) extragenitourinary findings. The mean age of the patients was 63.53 ± 7.89 years. As the age increased, the rate of IFs increased (p = 0.001). However, there was no increase for the 75-year-old group compared to the 65-74-year-old age range (p = 0.853). There were a total of 22 (6.9%) clinically significant Ifs – 4 associated with the genitourinary system and 18 extragenitourinary.

Conclusions
Although the rate of clinically significant IF was only 6.9%, this rate was high in patients, especially in those over the age of 65 years. It should be kept in mind that the early detection of these findings in the asymptomatic period will increase the survival and successful treatment of patients.

keywords:

prostate cancer, magnetic resonance imaging, incidental findings




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