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Consultant Surgeon, 1st Surgical Department

Specialty Areas & Research Interests

Specialty Areas


  • Minimally invasive Surgery
  • Abdominal Wall Surgery
  • Implantation of long-term intravascular catheters (Port-a-cath)

Research Interest

  • ESPAC-3 Periampullary Cancer Multicenter Trial (European Study Group for Pancreatic Cancer) (2000-2008)
  • The consequences of antibiotic resistance of the patients with complicated intraabdominal infections on the health care system. (2009-2011)

Professional Experience

  • Consultant, Center of Excellence on Thyroid-Parathyroid Surgery, Athens Euroclinic (2015-2017)
  • Consultant, Department of Robotic and Oncology Surgery, Athens Euroclinic (2017-2019)

Medical Degree

“Carol Davila”- University of Medicine and Pharmacy , Bucharest, (2001)

  • General Surgery Board Certification (2012)
  • General Surgery Internship, 1st Department of Surgery, “Konstantopouleion” General Hospital, Athens Greece
  • ­Advances in the Diagnosis and Management of Abdominal Diseases- 14th International Postgraduate Course
  • ­International Association of Surgeons, Gastroenterologists and Oncologists Athens, Greece (2006)
  • ­Frontiers in HPB Diseases- 5th International Postgraduate Course Athens, Greece (2007)
  • Workshop for Doctors: Safe Implantation Of Long-term Central Venous Access Catheters
    Catholic University of the Sacred Heart“A. Gemelli” Policlinic Rome, Italy (2008)
  •  3rd International Workshop “Colorectal Games”, Rethymnon, Crete, Greece (2008)
  •  Postgraduate Course in Colorectal Surgery, 1st Circle: Crete , Greece, 2nd Circle: Kamena Vourla, Greece (2008)
  •  Postgraduate Course in HPB Surgery,1st Circle: Kamena Vourla, Greecε, 2nd Circle: Volos, Greece (2008)
  • 4th International Workshop Advanced Course in Colorectal Surgery, Erlangen, Germany (2009)
  •  Postgraduate Seminar on Enhanced recovery After Surgery (ERAS) Protocols, Aosta, Italy (2009)
  • ­ Postgraduate Seminar- Educational Module: Artificial Nutrition on the Surgical Patent
    ­ 27th Panhellenic Congress of Surgery- International Surgical Forum, Athens, Greece (2010)
  •  4th Postgraduate Seminar Of the Society for the Liver Metastatic Disease, Volos, Greece (2011)
  • ­ Sentinel Lymph node biopsy Seminar, Metropolitan Hospital, Athens, Greece (2015)
  • ­ English Online Training Module for the daVinci S, Intuitive Surgical (2017)
  • ­ Colorectal Laparoscopic Surgical Skills Courses , Athens, Greece (2017)
  • ­ Abdominal Wall Repair Workshop, Sevilla, Spain (2018)
  • Advanced Trauma Life Support (ATLS) Course for Doctors, Committee on Trauma, American College Of Surgeons (2006)
  • ­Basic Life Support -BLS/AED Provider Course European Resuscitation Council, Athens, Greece
  • English
  • Romanian

.S.Delis, D.Kelgiorgi

Surgical options in acute pancreatitis.

HPB Surgery Book

Athens 2007

–             D.Kelgiorgi, C.Avgerinos, D.Lytras, C.Dervenis

Diagnosis and Staging of acute Pancreatitis

Pancreatic Diseases in 2008: What are the burning issues?

Bucharest 2008

–             S.Delis, A.Bakoyiannis, K.Athanasiou, I.Biliatis, K.Avgerinos, D.Kelgiorgi, C.Dervenis

Steatohepatitis associated with preoperative chemotherapy for colorectal metastasis

Gut 2007;56 (suppl III) A69

–             S.Delis, A.Bakoyiannis, K.Athanasiou, D.Kelgiorgi,  I.Biliatis, C.Avgerinos,  C.Dervenis

Secondary sclerosing cholangitis associated with preoperative targeted chemotherapy for colorectal metastasis

Gut 2007;56 (suppl III) A267

–             C.Avgerinos, Z.Touloumis, D.Kelgiorgi, L.Baltatzi, C.Dervenis

One Thousand Laparoscopic Cholecystectomies in a Single  Surgical Unit Using The “Critical View of Safety” Technique

J Gastrointest Surg. 2008 Nov 14.

–             Koliopanos A, Avgerinos C, Paraskeva C, Touloumis Z, Kelgiorgi D, Dervenis C.

Molecular aspects of carcinogenesis in pancreatic cancer.

Hepatobiliary Pancreat Dis Int. 2008 Aug;7(4):345-56.

–             S.Delis, D.Kelgiorgi, A.Bakoyiannis,  Κ.Μanes, C.Dervenis, J. Madariaga

Combined hepatectomy with resection of the inferior vena cava for hepatic malignancies.

Forum of Clinical Oncology 2008;7(Β);3-4:248-254

–             S.Delis, D.Kelgiorgi, A.Bakoyiannis, K.Athanasiou, C.Dervenis

Combined liver and lung metastasectomy through an exclusive transthoracic approach.

Forum of Clinical Oncology 2008;7(Β);3-4:242-247

–               Spiros G. Delis, Dionysia A. Kelgiorgi, Anastasios A. Sofianidis, Charikleia C. Triantopoulou, Ioannis A. Papailiou, and Christos G. Dervenis

Solitary necrotic nodule of the liver mimicking hepatocellular carcinoma: a case report

Cases J. 2009; 2: 85.doi: 10.1186/1757-1626-2-85.


–             European Study Group for Pancreatic Cancer

Adjuvant chemotherapy with fluorouracil plus folinic acid vs gemcitabine following pancreatic cancer resection: a randomized controlled trial.

JAMA. 2010 Sep 8;304(10):1073-81


–               European Study Group for Pancreatic Cancer

Effect of adjuvant chemotherapy with fluorouracil plus folinic acid or gemcitabine vs observation on survival in patients with resected periampullary adenocarcinoma: the ESPAC-3 periampullary cancer randomized trial

JAMA. 2012 Jul 11;308(2):147-56


–             Kelgiorgi D, Dervenis C

Pancreatic neuroendocrine tumors: the basics, the gray zone, and the target

F1000Res. 2017 May 10;6:663


–             «GREEK SURGERY THROUGHOUT THE CENTURIES: From antiquity up to the 21st century», Bramis I. Militos publications


–             Anastomoses of the GI tract

Endoscopies (the journal of Greek Gastrenterologists). 2020 Sept: 41-47


–             Supervised Training in Open Biliary-Enteric Anastomosis is Safe

13th Congress of the European – African Hepato-Pancreato-Biliary Association (E-AHPBA)  2020 Jan Vol. 22, Sup 2 : 314


–                 COVIDSurg Collaborative, GlobalSurg Collaborative, SARS-CoV-2 vaccination modelling for safε surgery to save lives: data from an international prospective cohort study, British Journal of Surgery, 2021;, znab101, doi: 10.1093/bjs/znab101


–             COVIDSurg Collaborative; GlobalSurg Collaborative. Timing of surgery following SARS-CoV-2 infection: an international prospective cohort study. Anaesthesia. 2021 Mar 9. doi: 10.1111/anae.15458. Epub ahead of print. PMID: 33690889