Abstract
Purpose
Leydig-cell tumours (LCT) of the testis are poorly understood clinically. The aim of this report is to analyse the clinical characteristics of LCT in a large patient sample and to compare these findings with corresponding data of germ-cell tumours (GCT).
Methods
In a sample of 208 patients treated during 1995–2017 in 33 institutions, the following characteristics were registered: age, presenting symptoms, primary tumour size, testis-sparing surgery (TSS) or orchiectomy, malignancy, laterality, medical history, and outcome. Data analysis included descriptive statistical methods and logistic regression analysis.
Results
The ratio LCT:GCT is 1:23 (4.4%). The findings are as follows: median age 41 years, undescended testis 8%, bilateral LCTs 3%, malignant LCT 2.5%, contralateral GCT 2.5%, incidental detection 28%, scrotal symptoms 43%, infertility 18%, elevated estradiol levels 29%. TSS was performed in 56% with no local relapse. Of the patients with malignant LCT, one was cured through surgery.
Conclusion
LCT is rare, with a relative frequency (relative to GCT) of 1:23. Malignancy is found in 2.5%. LCT and GCT share a number of clinical features, e.g. bilaterality, history of undescended testis, and presenting age. TSS is safe in benign LCT. Surgery is the treatment of choice in malignant LCT.
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CGR: project development, data collection, data analysis, manuscript editing. NS: data collection, data analysis, project development. HI: data management, data analysis, manuscript writing. BR: data collection, data analysis, JS: manuscript writing and editing, data management. CDF: project development, data collection. KPD: project development, data collection, data analysis, manuscript writing and editing.
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Ruf, C.G., Sanatgar, N., Isbarn, H. et al. Leydig-cell tumour of the testis: retrospective analysis of clinical and therapeutic features in 204 cases. World J Urol 38, 2857–2862 (2020). https://doi.org/10.1007/s00345-020-03079-1
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DOI: https://doi.org/10.1007/s00345-020-03079-1