Ioannis Gkekas

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Verksam som

Anknuten som läkare till Institutionen för diagnostik och intervention Enhet: Kirurgi

5A, Målpunkt H62, Norrlands universitetssjukhus Umeå universitet, 901 85 Umeå

Cholecystectomy for acute cholecystitis during weekend compared with delayed weekday surgery: a nationwide population cohort study

Surgery, Elsevier 2025, Vol. 180

Edblom, Magnus; Enochsson, Lars; Nyström, Hanna; et al.

An immunohistochemistry-based classification of colorectal cancer resembling the consensus molecular subtypes using convolutional neural networks

Scientific Reports, Nature Publishing Group 2025, Vol. 15, (1)

Kaprio, Tuomas; Hagström, Jaana; Kasurinen, Jussi; et al.

Sporadic deficient mismatch repair in colorectal cancer increases the risk for non-colorectal malignancy: a European multicenter cohort study

Journal of Surgical Oncology, John Wiley & Sons 2024, Vol. 129, (7) : 1295-1304

Gkekas, Ioannis; Novotny, Jan; Kaprio, Tuomas; et al.

Systemic inflammatory response in colorectal cancer is associated with tumour mismatch repair and impaired survival

Scientific Reports, Springer Nature 2024, Vol. 14, (1)

Hjortborg, Mats; Edin, Sofia; Böckelman, Camilla; et al.

Current status of liver surgery for non-colorectal non-neuroendocrine liver metastases: the NON.LI.MET. Italian Society for Endoscopic Surgery and New Technologies (SICE) and Association of Italian Surgeons in Europe (ACIE) collaborative international survey

Updates in surgery, Springer Nature 2024, Vol. 76, (1) : 43-55

Libia, Annarita; Podda, Mauro; Di Martino, Marcello; et al.

Heterogeneity of management practices surrounding operable gallbladder cancer: results of the OMEGA-S international HPB surgical survey

HPB, Elsevier 2022, Vol. 24, (11) : 2006-2012

Balakrishnan, Anita; Jah, Asif; Lesurtel, Mickael; et al.

Mismatch repair deficiency in colorectal cancer: prognosis and prediction for basic treatment strategies

Umeå University medical dissertations, 2124

Gkekas, Ioannis

Colon cancer patients with mismatch repair deficiency are more likely to present as acute surgical cases

European Journal of Cancer, Elsevier 2021, Vol. 157 : 1-9

Gkekas, Ioannis; Novotny, Jan; Kaprio, Tuomas; et al.

Elective Cancer Surgery in COVID-19-Free Surgical Pathways During the SARS-CoV-2 Pandemic: An International, Multicenter, Comparative Cohort Study

Journal of Clinical Oncology, American Society of Clinical Oncology 2021, Vol. 39, (1) : 66-78

Glasbey, James C.; Nepogodiev, Dmitri; Simoes, Joana F. F.; et al.

Digitalt assisterad laparoskopisk bridlösning: ett finger med i spelet

Läkartidningen, Stockholm: Läkartidningen Förlag AB 2021, Vol. 118

Löfgren, Niklas; Gkekas, Ioannis

Delaying surgery for patients with a previous SARS-CoV-2 infection

British Journal of Surgery, John Wiley & Sons 2020, Vol. 107, (12) : e601-e602

COVIDSurg Collaborative,

Mismatch repair status predicts survival after adjuvant treatment in stage II colon cancer patients.

Journal of Surgical Oncology, John Wiley & Sons 2020, Vol. 121, (2) : 392-401

Gkekas, Ioannis; Novotny, Jan; Fabian, P.; et al.

Association between local immune cell infiltration, mismatch repair status and systemic inflammatory response in colorectal cancer

Journal of Translational Medicine, BioMed Central 2020, Vol. 18

Gunnarsson, Ulf; Strigård, Karin; Edin, Sofia; et al.

Deficient mismatch repair as a prognostic marker in stage II colon cancer patients

European Journal of Surgical Oncology, Elsevier 2019, Vol. 45, (10) : 1854-1861

Gkekas, Ioannis; Novotny, Jan; Fabian, Pavel; et al.

Vandrande mjälte – ovanlig men viktig differentialdiagnos vid akut buksmärta hos barn

Läkartidningen, Läkartidningen Förlag AB 2018, Vol. 115, (47)

Hurtig, Jennie; Gkekas, Ioannis; Näsvall, Pia

Microsatellite instability as a prognostic factor in stage II colon cancer patients: a meta-analysis of published literature

Anticancer Research, Vol. 37, (12) : 6563-6574

Gkekas, Ioannis; Novotny, Jan; Pecen, Ladislav; et al.

Intra-abdominal organ strangulation during intraoperative endoscopic retrograde cholangiopancreatography with rendezvous cannulation: case report

Endoscopy, Vol. 47 : E231-E231

Gkekas, Ioannis; Palmgren, Jonathan; Näsvall, Pia; et al.

Higher incidence for sporadic deficient mismatch repair tumours in the colorectum and non-colorectal malignancies

Gkekas, Ioannis; Novotny, J.; Kaprio, T.; et al.

Visa publikationer i DiVA

Publicerad: 07 sep, 2023

Pris till Umeåforskare vid Kirurgveckan