Imperial College London


Faculty of MedicineDepartment of Surgery & Cancer

Honorary Clinical Lecturer







Queen Elizabeth the Queen Mother Wing (QEQM)St Mary's Campus





Graduated from Athens in 2007 and then moved to the UK to undertake a Master’s Degree in Cancer Therapeutics at Barts and the London School of Medicine, Queen Mary University. This was followed by his foundation and core surgical training years. Since October 2012, he has been working towards a PhD  Imperial College London.  His thesis involves analysis of body composition for patients undergoing surgery for colorectal cancer and its relationship with the systemic and local immune response and outcomes.He has also been a teaching fellow for surgery at Imperial College London based at Northwick Park Hospital side.







Makris GC, Thulasidasan N, Malietzis G, et al., 2021, Catheter-Directed Hemorrhoidal Dearterialization Technique for the Management of Hemorrhoids: A Meta-Analysis of the Clinical Evidence, Journal of Vascular and Interventional Radiology, Vol:32, ISSN:1051-0443, Pages:1119-1127

Pring ET, Malietzis G, Kendall SWH, et al., 2021, Crisis management for surgical teams and their leaders, lessons from the COVID-19 pandemic; A structured approach to developing resilience or natural organisational responses, International Journal of Surgery, Vol:91, ISSN:1743-9191

Drami I, Pring ET, Gould L, et al., 2021, Body Composition and Dose-limiting Toxicity in Colorectal Cancer Chemotherapy Treatment; a Systematic Review of the Literature. Could Muscle Mass be the New Body Surface Area in Chemotherapy Dosing?, Clin Oncol (r Coll Radiol)

Fadel MG, Malietzis G, Constantinides V, et al., 2021, Clinicopathological factors and survival outcomes of signet-ring cell and mucinous carcinoma versus adenocarcinoma of the colon and rectum: a systematic review and meta-analysis, Discover Oncology, Vol:12, ISSN:2730-6011

Christodoulides N, Lami M, Malietzis G, et al., 2020, Sporadic colorectal cancer in adolescents and young adults: a scoping review of a growing healthcare concern, International Journal of Colorectal Disease: Clinical and Molecular Gastroenterology and Surgery, Vol:35, ISSN:0179-1958, Pages:1413-1421

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