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Introduction In the development of terminology of the lower urinary tract, due to its increasing complexity, the terminology for male lower urinary tract and pelvic floor symptoms and dysfunction needs to be updated using a male‐specific approach and via a clinically‐based consensus report. Methods This report combines the input of members of the Standardisation Committee of the International Continence Society (ICS) in a Working Group with recognized experts in the field, assisted by many external referees. Appropriate core clinical categories and a subclassification were developed to give a numeric coding to each definition. An extensive process of 22 rounds of internal and external review was developed to exhaustively examine each definition, with decision‐making by collective opinion (consensus). Results A Terminology Report for male lower urinary tract and pelvic floor symptoms and dysfunction, encompassing around 390 separate definitions/descriptors, has been developed. It is clinically‐based with the most common diagnoses defined. Clarity and user‐friendliness have been key aims to make it interpretable by practitioners and trainees in all the different specialty groups involved in male lower urinary tract and pelvic floor dysfunction. Male‐specific imaging (ultrasound, radiology, CT, and MRI) has been a major addition whilst appropriate figures have been included to supplement and help clarify the text. Conclusions A consensus‐based Terminology Report for male lower urinary tract and pelvic floor symptoms and dysfunction has been produced aimed at being a significant aid to clinical practice and a stimulus for research.

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Objective To summarise and meta‐analyse current literature on metabolic syndrome (MetS) and benign prostatic enlargement (BPE), focusing on all the components of MetS and their relationship with prostate volume, transitional zone volume, prostate‐specific antigen and urinary symptoms, as evidence suggests an association between MetS and lower urinary tract symptoms (LUTS) due to BPE. Methods An extensive PubMed and Scopus search was performed including the following keywords: ‘metabolic syndrome’, ‘diabetes’, ‘hypertension’, ‘obesity’ and ‘dyslipidaemia’ combined with ‘lower urinary tract symptoms’, ‘benign prostatic enlargement’, ‘benign prostatic hyperplasia’ and ‘prostate’. Results Of the retrieved articles, 82 were selected for detailed evaluation, and eight were included in this review. The eight studies enrolled 5403 patients, of which 1426 (26.4%) had MetS defined according to current classification. Patients with MetS had significantly higher total prostate volume when compared with those without MetS (+1.8 mL, 95% confidence interval [CI] 0.74–2.87; P < 0.001). Conversely, there were no differences between patients with or without MetS for International Prostate Symptom Score total or LUTS subdomain scores. Meta‐regression analysis showed that differences in total prostate volume were significantly higher in older (adjusted r = 0.09; P = 0.02), obese patients (adjusted r = 0.26; P < 0.005) and low serum high‐density lipoprotein cholesterol concentrations (adjusted r = −0.33; P < 0.001). Conclusions Our results underline the exacerbating role of MetS‐induced metabolic derangements in the development of BPE. Obese, dyslipidaemic, and aged men have a higher risk of having MetS as a determinant of their prostate enlargement.

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Detrusor wall thickness decreases continuously while the bladder fills to 50% of its capacity and then remains constant until 100%. Therefore, detrusor wall measurements were performed in patients when the bladder was filled to maximum capacity only. Mean detrusor wall thickness for unobstructed (n = 14), equivocal (n=23) and obstructed patients (n=33) were 1.33, 1.62 and 2.4 mm, respectively (P <0.001). With increasing CHESS letters and CHESS numbers, the thickness of the detrusor wall increased as well (P< 0.001). The positive predictive value of detrusor wall measurement (95.5% for a cut-off value greater than or equal to 2 mm) was superior to all other predictors investigated. The thickness of the detrusor wall increases depending on the extent of BOO. Both constrictive and compressive BOO lead to an increase in detrusor wall thickness. BOO is found in 95.5% of men with a detrusor wall thickness greater than or equal to 2 mm. Measuring the thickness of the detrusor wall can be used as a screening test to detect BOO.