Dr LIU Qinyang Alex    

Assistant Professor
MBBS, MSc, FRCSEd (Urol), FCSHK

Urology
alexliuadd this for spam@add this for spamsurgery.cuhk.edu.hk
@alexeiliu
LUW-8174-2024
0000-0003-0302-0472

Biography

Dr Alex Liu is currently the Assistant Professor at the Divison of Urology, Department of Surgery, Faculty of Medicine, The Chinese University of Hong Kong (CUHK). After his primary medical degree, he completed his Master of Science with distinction from the London School of Hygiene and Tropical Medicine (LSHTM), with a focus in clinical trials methodology. He received his specialty training in Hong Kong, and obtained fellowship in urology from the Royal College of Surgeons of Edinburgh (RCSEd) and the College of Surgeons of Hong Kong (CSHK). During his training, his research work received multiple awards and accolades, including the Samuel Kwok Medal for Outstanding Research, the CSHK Best Research Award, and the European Association of Urology (EAU) Best Abstract Award Second Prize (Non-oncology).

Dr Liu's research interest is on the application of big data and artificial intelligence (AI) in answering clinical questions as well as aiding surgical practice. He is an active member of EAU's UroEvidenceHub (UEH) PIONEER project on prostate cancer big data collaboration group. He is also a full member of the EAU Young Academic Urologists (infection working group), and is dedicated to high quality research work in this area.

Research Interests

• Prostate cancer
• Urological Infections
• Clinical application of big data and artificial intelligence

Additional Information

Awards & Honour:

• European Association of Urology (EAU) Best Abstract Award Second Prize (Non-oncology), 2025
• Samuel Kwok Medal for Outstanding Research, 2023
• College of Surgeons Hong Kong (CSHK) Best Research Award of the Year – Second Prize, 2023
• Good Abstract Award, International Congress on Obesity and Metabolic Syndrome (ICOMES), 2020
• HSBC Scholar; Innovation and Technology Scholarship Scheme, 2017

Professional Service:

1. Member, EAU Young Academic Urologist (YAU) Urological Infection Group, 2025 – current
2. Member, Multi-Stakeholder Membership Group (MSMG) of the EAU UroEvidenceHub (UEH), 2025 – current
3. Tutor and assessor, the London School of Hygiene and Tropical Medicine (LSHTM), 2020 – current
4. Reporter, Hong Kong Medical Journal (HKMJ), 2017-2022
5. National lead for China, GlobalSurg Collaboration, 2015-2020

Selected Publications

1. Liu AQ, Cheuk-Lam Lam P, Chi-Ho Leung S, Yee C-H, Ka-Fung Chiu P, Yuen-Chun Teoh J, et al. Bariatric surgery leads to long term lower urinary tract symptoms (LUTS) improvement in male patients with severe obesity: 5-year results from a prospective within-subject cohort study. Surg Obes Relat Dis 2025:S1550-7289(25)00731-2.
2. Siu BWH, Liu AQ, Leung CH, Yuen SKK, Leung DKW, Wong CHM, et al. Treatment cycles per unit prostate volume (Cpv) for transurethral water vapor therapy (Rezūm) in catheter-dependent patients. Prostate Cancer Prostatic Dis. 2025 May 16;1–6.
3. Chiu PKF, Liu AQ, Yee CH, Wong HF, Chan CH, Kong A, et al. Targeted microwave ablation for prostate cancer under magnetic resonance imaging-ultrasound fusion and organ-based tracking: final results from the first phase 2 trial (TMA-HK). European Urology Oncology. 2025 Apr;8(2):253–7.
4. Liu AQ, Choy EKH, Chiu PKF, Yee CH, Ng CF, Teoh JYC. High levels of incidental covid-19 infection in emergency urology admissions: a propensity score-matched real world data analysis across surgical specialties. Viruses. 2024 Sep;16(9):1402.
5. Liu AQ, Chiu PK, Yee SC, Ng C, Teoh JY. SARS‐CoV‐2 infection correlates with male benign prostatic hyperplasia deterioration. J Intern Med. 2023 Dec;294(6):775–83.
6. Liu AQ, Remmers S, Lau SY, Yip SY, Leung CH, Mak CWH, Yee CH, Teoh JYC, Hou SM, Roobol M, Ng CF, Chiu PKF. Initial Prostate Health Index (Phi) and phi density predicts future risk of clinically significant prostate cancer in men with initial negative prostate biopsy: a 6-year follow-up study. Prostate Cancer Prostatic Dis. 2022 Dec;25(4):684–9.
7. Teoh JYC, Liu AQ, Yuen VWF, Lai FPT, Yuen SKK, Chan SYS, Wong JHF, Li JKM, Tam MHM, Chiu PKF, Yee SCH, Ng CF. Hemopatch to prevent lymphatic leak after robotic prostatectomy and pelvic lymph node dissection: a randomized controlled trial. Cancers. 2022 Jan;14(18):4476. (IF 2021 – 6.575)
8. Yee CH, Liu AQ, Chiu PKF, Teoh JYC, Hou SSM, Ng CF. A propensity score-matching study on retzius-sparing robotic-assisted radical prostatectomy: Evidence of continence advantage on the early learning curve. Asian Journal of Surgery. 2022 Jul 1;45(7):1403–7.
9. Liu AQ, Chiu PWY. Third space endoscopy: Current evidence and future development. Int J Gastrointest Interv. 2020; 9(2): 42-52
10. GlobalSurg Collaborative (Liu Q, national lead for China; collaborative author). Surgical site infection after gastrointestinal surgery in high-income, middle-income, and low-income countries: a prospective, international, multicentre cohort study. Lancet Infect Dis. 2018;18(5):516-525.