Sanjeev Madaan

Consultant Urological Surgeon & Lead Cancer Clinician

Department of Urology & Nephrology, Darent Valley Hospital, Dartford; Visiting Professor, Canterbury Christ Church University; Chairman Urology TSSG, Kent & Medway Cancer Alliance; Expert Advisor to NICE, UK.

Latest Contribution

CT scan showing a left renal angiomyolipoma measuring 3cm.

Imaging and surveillance in sporadic renal angiomyolipoma: how and when to monitor effectively

4 March 2025 | | URO - Urologic Oncology

Renal angiomyolipoma (AML) are benign tumours, accounting for approximately 2–3% of all renal neoplasms [1]. Seventy percent of renal AMLs are sporadic, and 20–30% are associated with genetic aetiology. They are composed of smooth muscle, blood vessels, and adipose tissue....

Systematic reviews and meta-analysis article graphic link image.

Systematic reviews and meta-analysis – a stepwise approach

3 May 2024 | | URO - Andrology, URO - Basic Science Research, URO - Endourology & Stones, URO - Infection, URO - Neurourology, URO - Paediatric Urology, URO - Functional / Reconstructive Urology, URO - Trauma & Emergency, URO - Urologic Oncology, URO - Uroradiology, URO - Technology

As per Cochrane definition (2013), a systematic literature review (SR) attempts “to identify, appraise and synthesize all the empirical evidence that meets pre-specified eligibility criteria to answer a given research question” [1]. A meta-analysis (MA) is a statistical assessment of...

Graph image showing how PPV increases as the prevalence of the disease in the population increases.

Medical statistics for urologists: part 3 – diagnostic testing

1 July 2022 |

Following on from the first two parts of this series (see Part 1 here, and Part 2 here), this final article aims to demonstrate how the theory of statistics applies to medical diagnostics. Probability in diagnostic testing Diagnostic tests refer...