Janusz Strzelczyk

ORCID: 0000-0003-3438-9512
Publications
Citations
Views
---
Saved
---
About
Contact & Profiles
Research Areas
  • Pancreatic and Hepatic Oncology Research
  • Neuroendocrine Tumor Research Advances
  • Bariatric Surgery and Outcomes
  • Pancreatitis Pathology and Treatment
  • Renal and Vascular Pathologies
  • Hernia repair and management
  • Body Contouring and Surgery
  • Hepatocellular Carcinoma Treatment and Prognosis
  • Renal cell carcinoma treatment
  • Gastric Cancer Management and Outcomes
  • Organ Donation and Transplantation
  • Liver Disease Diagnosis and Treatment
  • Diet and metabolism studies
  • Cholangiocarcinoma and Gallbladder Cancer Studies
  • Renal Transplantation Outcomes and Treatments
  • Lung Cancer Research Studies
  • Anesthesia and Sedative Agents
  • Diabetes Treatment and Management
  • Hedgehog Signaling Pathway Studies
  • Gallbladder and Bile Duct Disorders
  • Cardiovascular Disease and Adiposity
  • Organ Transplantation Techniques and Outcomes
  • MRI in cancer diagnosis
  • Metabolism, Diabetes, and Cancer
  • Gastrointestinal disorders and treatments

Medical University of Lodz
2016-2025

Medical University of Warsaw
2025

Medical University of Silesia
2014-2024

Research Manitoba
2019

Uniwersytecki Szpital Kliniczny w Opolu
2018-2019

Polish Mother’s Memorial Hospital Research Institute
2011

The Wojciech Kętrzyński Northern Institute
2003

In-Q-Tel
2003

Postoperative hernia following bariatric procedures is more common than in other groups of surgical patients, and remains a serious problem. Gastric bypass the most often performed procedure and, despite increasing popularity laparoscopic approach, many morbidly obese patients are still offered open procedures. The aim this study was to assess effects prophylactic polypropylene mesh undergoing gastric by-pass surgery.The randomized 74 Roux-en-Y into two groups: wound closure with (n = 36) or...

10.1002/bjs.5512 article EN British journal of surgery 2006-09-28

AIM:To assess the value of D-dimer level in determining resectability pancreatic cancer. METHODS:Preoperative prediction head cancer remains inaccurate.The use hemostatic factors may be potential help, since D-dimers correlate with tumor stage.Single center clinical trial study comprised patients potentially resectable and without detectable venous thrombosis (n = 64).Resectability was defined as no evidence nodal involvement, distant spread invasion mesenteric vessels.Final decision...

10.3748/wjg.v20.i36.13167 article EN cc-by-nc World Journal of Gastroenterology 2014-01-01

W niniejszej pracy przedstawiono uaktualnione zalecenia grupy ekspertów Polskiej Sieci Guzów Neuroendokrynnych dotyczące zasad postępowania w nowotworach neuroendokrynnych żołądka i dwunastnicy z uwzględnieniem gastrinoma . Omówiono epidemiologię, patogenezę obraz kliniczny tych nowotworów. Przedstawiono diagnostycznego, uwzględ­nieniem diagnostyki biochemicznej, histopatologicznej oraz lokalizacyjnej. także zasady terapeutycznego, tym leczenie endoskopowe chirurgiczne, omówiono możliwości...

10.5603/ep.2017.0016 article PL cc-by-nc-nd Endokrynologia Polska 2017-05-08

Cancer stem cells (CSC) play an important role in pancreatic carcinogenesis and prognosis. The study aimed at examining the expression of CD24, CD44, CD133 human PDAC CP order to evaluate its clinicopathological correlations clinical significance. Surgical specimens from 23 patients with 15 chronic pancreatitis after resection were stained antibodies. intensity staining was scored 0 (negative) 3 (strongly positive). Results . Mean CD24 score 1.38 ± 0.76 significantly higher than that CP:...

10.1155/2017/3276806 article EN cc-by Disease Markers 2017-01-01

Pancreatic cancer (PDAC) will have been the second leading cancer-related death in United States by 2020, according to current estimation. Its late manifestation and lack of good early detection methods are cause extremely low survival rates. Therefore, there is an urgent need develop highly sensitive specific marker. GDF-15, a member TGFbeta family, has recently emerged as protein playing important role carcinogenesis various neoplasms.Our aim was assess potential IL-17, IL-23 serum...

10.3233/cbm-170203 article EN Cancer Biomarkers 2017-11-21

These recommendations refer to the current management in pancreatic ductal adenocarcinoma (PDAC), a neoplasia characterised by an aggressive course and extremely poor prognosis. The regard diagnosis, surgical, adjuvant palliative treatment, with consideration given endoscopic surgical methods. A vast majority of statements are based on data obtained clinical studies experts' PDAC management, including following guidelines: International Association Pancreatology/European Pancreatic Club...

10.5114/pg.2019.83422 article EN cc-by-nc-sa Gastroenterology Review 2019-01-01

Abstract Background Liver steatosis is a common, usually asymptomatic hepatic disorder caused most often by insulin resistance and hepatotoxic factors. It currently regarded as sensitive imaging biomarker of the metabolic syndrome an independent risk factor future cardiovascular events. Diagnosis fatty liver in cardiologists office may be potential clinical value, revealing presence previously unknown influencing prognostic assessment, well treatment disease. The assessment during...

10.1093/ehjci/jeae333.403 article EN European Heart Journal - Cardiovascular Imaging 2025-01-01

Biliary leakage from the cystic duct stump following cholecystectomy is a significant postoperative complication. Endoscopic retrograde cholangiopancreatography (ERCP) with stenting has become preferred treatment due to its minimally invasive nature and high success rates. This study retrospectively evaluates efficacy of ERCP for managing leakage. A total 29 patients treated between February 2017 April 2024 were analyzed. Inclusion criteria included confirmed Primary secondary rates defined...

10.47717/turkjsurg.2025.6616 article EN Turkish Journal of Surgery 2025-05-30

We present revised diagnostic and therapeutic guidelines for the management of pancreatic neuroendocrine neoplasms (PNENs) proposed by Polish Network Neuroendocrine Tumours.These refer to biochemical (determination specific nonspecific markers) imaging diagnostics (EUS, CT, MR, radioisotope examination with a 68Ga or 99Tc labelled somatostatin analogue).A histopathological diagnostic, which determines further patients PNENs, must be necessarily confirmed immunohistochemical tests. PNENs...

10.5603/ep.2013.0031 article EN Endokrynologia Polska 2014-01-03

BACKGROUND: Currently pancreatic cancer is the fourth leading cause of cancer-related death worldwide. Because its late manifestation and consequent dismal prognosis, there an urgent need to develop highly sensitive specific marker. Neutrophil Gelatinase-Associated Lipocalin (NGAL) recent ly emerged as a protein playing important role in carcinogenesis various neoplasms. OBJECTIVE: Our aim was assess potential urine bile concentration NGAL differentiating adenocarcinoma from chronic...

10.3233/cbm-160595 article EN Cancer Biomarkers 2016-04-13

Tacrolimus (TAC) metabolism rate has the potential to impact graft function after kidney transplantation (KTx). We aimed analyze relationship between early post-KTx TAC C/D ratio (blood trough concentration normalized by total daily dose) and in a 2-year follow-up.We retrospectively analyzed data from 101 patients at 3, 6, 12, 24 months KTx identify cutoff value optimal for dividing into fast slow metabolizers. investigated their function.Patients were divided based on 6 of 1.47 ng/mL * 1...

10.1159/000502290 article EN cc-by-nc-nd Kidney & Blood Pressure Research 2019-01-01

W pracy przedstawiono uaktualnione polskie zalecenia postępowania z chorymi na nowotwory neuroendokrynne (NEN) jelita cienkiego i wyrostka robaczkowego. Jelito cienkie, a w szczególności jelito kręte, należą do najczęstszych lokalizacji tych nowotworów. Większość nich to wysokozróżnicowane wolno rosnące; rzadko są raki neuroendokrynne. Ich objawy mogą być nietypowe, rozpoznanie opóźnione albo przypadkowe. Zapalenie robaczkowego jest najczęściej pierwszą manifestacją NEN o tym...

10.5603/ep.2017.0018 article PL cc-by-nc-nd Endokrynologia Polska 2017-05-08

At present, endothelial dysfunction is best assessed in vivo with measurement of flow-mediated dilatation (FMD) Doppler ultrasound scanning. This test, however, does not account for the subject's age and uncomfortable patients. The aim study was to compare a new test endothelium function assessment using hand exercise load.The group comprised 31 male patients type 1 diabetes 72 healthy men as controls. subjects both groups were subdivided into three groups: 18-30 (subgroup A), 31-45 B),...

10.1089/dia.2010.0001 article EN Diabetes Technology & Therapeutics 2010-07-08

Pancreatic hamartomas occur extremely rarely. They may appear as solid masses or cystic forms and should be regarded malformations rather than neoplasms [1]. Due to absence of characteristic differential features they clinically radiologically mistaken for a malig7-18062cy [2]. Misinterpretation hamartoma true neoplasm result in unnecessarily aggressive surgery. The authors herein present case report pancreatic demonstrate its characteristics along with review the literature discuss problem...

10.5114/aoms.2011.26624 article EN cc-by-nc-sa Archives of Medical Science 2011-01-01

Transplant renal artery stenosis (TRAS) is a serious vascular complication due to non-specific clinical manifestations, causing diagnostic difficulties. Contrast-enhanced ultrasound (CE-US) can complement standard sonographic examination in evaluation of TRAS.Standard B presentation, extended with color Doppler assessment the flow spectrum and CE-US, was carried out early postoperative period group 180 patients who underwent kidney transplantation. In CE-US analysis, maximum contrast agent...

10.12659/aot.883896 article EN Annals of Transplantation 2013-01-01

W niniejszej publikacji przedstawiono zaktualizowane zalecenia dotyczące diagnostyczno-terapeutycznego postępowania w nowo­tworach neuroendokrynnych trzustki (PNEN) zaproponowane przez Polską Sieć Guzów Neuroendokrynnych. Zawierają one nowe dane uzyskane latach 2013–2016, które albo potwierdziły wcześniejsze wytyczne, doprowadziły do zmian lub utworzenia dodatkowych zaleceń. diagnostyce duże znaczenie mają badania biochemiczne, obrazowe (anatomiczne i czynnościowe), jak również rozpoznanie...

10.5603/ep.2017.2016 article PL cc-by-nc-nd Endokrynologia Polska 2017-05-08

Background Delayed graft function (DGF) is a common complication following kidney transplantation and associated with ischemia-reperfusion injury (IRI). Lymphocytes contribute to the pathogenesis of IRI related delayed Materials Methods 135 Caucasian patients received from deceased heart-beating organ donors. We divided into 2 groups- eGFR>=30 on 21st day post-transplantation (n=36) eGFR<30 (n=99) assess function. measured serum creatinine levels 1st 2nd post-transplant preoperative...

10.5604/01.3001.0011.7499 article EN Polish Journal of Surgery 2018-04-30
Coming Soon ...