Ahmad Mahamid

ORCID: 0000-0003-0007-5902
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About
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Research Areas
  • Hepatocellular Carcinoma Treatment and Prognosis
  • Pancreatic and Hepatic Oncology Research
  • Colorectal Cancer Surgical Treatments
  • Cholangiocarcinoma and Gallbladder Cancer Studies
  • Diverticular Disease and Complications
  • Gastrointestinal disorders and treatments
  • Gallbladder and Bile Duct Disorders
  • Biliary and Gastrointestinal Fistulas
  • Abdominal Trauma and Injuries
  • COVID-19 Clinical Research Studies
  • Cardiac, Anesthesia and Surgical Outcomes
  • COVID-19 Impact on Reproduction
  • Liver Disease and Transplantation
  • Spinal Fractures and Fixation Techniques
  • Congenital Diaphragmatic Hernia Studies
  • Appendicitis Diagnosis and Management
  • Pediatric Hepatobiliary Diseases and Treatments
  • Neuroendocrine Tumor Research Advances
  • Pelvic and Acetabular Injuries
  • Medical Imaging and Analysis
  • Pancreatitis Pathology and Treatment
  • Spine and Intervertebral Disc Pathology
  • Hernia repair and management
  • Organ Donation and Transplantation
  • Long-Term Effects of COVID-19

Carmel Medical Center
2019-2025

Technion – Israel Institute of Technology
2014-2025

Toronto General Hospital
2025

Icahn School of Medicine at Mount Sinai
2021-2023

Mount Sinai Hospital
2020-2022

Hillel Yaffe Medical Center
2003-2017

Hadassah Medical Center
2014

Hebrew University of Jerusalem
1991

Background: Postoperative pancreatic fistulae (POPFs) are a significant cause of morbidity following left pancreatectomy. We hypothesized that incorporating serosal patching with the application synthetic sealant, modified cyanoacrylate (Glubran®2), to stump, would decrease incidence rate clinically POPFs. Methods: This is retrospective study consecutive patients who underwent robot-assisted The primary outcome was POPFs within 90 days surgery. Secondary outcomes included (all grades),...

10.3390/cancers17030502 article EN Cancers 2025-02-03

Abstract The influence of patient characteristics and immunosuppression management on COVID‐19 outcomes in kidney transplant recipients (KTRs) remains uncertain. We performed a single‐center, retrospective review all adult KTRs admitted to the hospital with confirmed between 03/15/2020 05/15/2020. Patients were followed from date admission up 1 month following discharge or study conclusion (06/15/2020). Baseline characteristics, laboratory parameters, compared survivors patients who died...

10.1111/ctr.14221 article EN Clinical Transplantation 2021-01-15

Abstract We updated the clinical features of a consanguineous Arab Israeli family, in which four seven children were affected by spastic paraplegia complicated skin pigmentary abnormalities. A genomewide linkage screen performed for family identified new locus (SPG23) this form hereditary paraplegia, an approximately 25cM region chromosome 1q24‐q32, with peak logarithm odds score 3.05. Ann Neurol 2003;54:796–803

10.1002/ana.10768 article EN Annals of Neurology 2003-11-26

Giant colonic diverticulum (GCD), defined as a larger than 4 cm, is rare entity that generally manifestation of diverticular disease. Because its rarity and variable non-specific presentation, the diagnosis GCD depends mainly on imaging findings. Knowledge spectrum radiographic CT features important in making correct potentially preventing complications. This review focuses findings characteristic well complications mimics. Teaching points • complication diverticulosis.• The most common...

10.1007/s13244-015-0433-x article EN cc-by Insights into Imaging 2015-09-18

Abstract The purpose of the present study was to radiographically assess efficacy various retro filling materials and use CO 2 laser in apical surgery. mandibular premolars six beagle dogs were infected, resulting periapical lesions. Apical surgery performed without root canal treatment. Amalgam with cavity varnish, glass ionomer cement a light cured composite resin used. In half material used on surface bone, for occlusion dentinal tubuli sterilization. healing following observed months....

10.1111/j.1600-9657.1991.tb00178.x article EN Dental Traumatology 1991-02-01

Early detection of the complications cholecystitis is important for clinical management, yet only a small percentage patients have correct diagnosis before surgery. The purpose our study was to identify sonographic findings that are associated with complicated cholecystitis.Sonographic, surgical, and pathologic reports were reviewed 70 who underwent early cholecystectomies from January 2010 August 2014. Sonograms assessed 16 independent variables. Statistical analyses performed evaluate...

10.7863/ultra.14.12072 article EN Journal of Ultrasound in Medicine 2015-10-30

Abstract Background Concerns have been raised regarding proceeding with kidney transplantation using standard immunosuppression in COVID‐19 endemic areas. Methods We performed a single‐center review of all adult transplants during the pandemic New York City. Patients were managed protocols, including lymphocyte depleting induction and trough‐guided tacrolimus. Retrospective data collected for 3 months from date or until study conclusion (5/7/2020). The primary outcomes assessed included...

10.1111/ctr.14055 article EN Clinical Transplantation 2020-07-27

POT1 (Protection of Telomeres 1) is a key component the six-membered shelterin complex that plays critical role in telomere protection and length regulation. Germline variants gene have been implicated predisposition to cancer, primarily melanoma chronic lymphocytic leukemia (CLL). We report identification p.(I78T), previously ranked with conflicting interpretations pathogenicity, as founder pathogenic variant among Ashkenazi Jews (AJs) describe its unique clinical landscape. A directed...

10.3390/genes15030355 article EN Genes 2024-03-13

Founder pathogenic variants (PVs) are prevalent in Israel. This study investigated the current practice of offering cancer patients two-step genetic testing, starting with targeted testing for recurring founder PVs, followed, if negative, by next-generation sequencing. A total 2128 subjects or a positive family history underwent oncogenetic panel 51 PVs at tertiary medical center March 2020–January 2023. Those known familial PV (n = 370) were excluded from analysis. Among remainder, 128/1758...

10.3390/cancers16010094 article EN Cancers 2023-12-24

Interdigitating Dendritic Cell Sarcoma (IDCS) is an infrequent dendritic cell tumor which mainly affects the lymphatic system. Intestinal metastasis from uterine IDCS extremely rare. Here we report a case of 76-year-old female presenting with vaginal bleeding and acute abdomen. The final diagnosis revealed small bowel perforation due to metastatic involvement cervix IDCS. In this paper, clinical manifestation, computed tomography histopathological findings helpful for accurate rare tumor.

10.4081/rt.2011.e46 article EN cc-by-nc Rare Tumors 2011-11-01

BACKGROUND: Inflammatory bowel diseases (IBD), including Crohn's disease (CD) and ulcerative colitis (UC), are chronic, relapsing, inflammatory of the gastrointestinal tract with unknown etiology. IBD complex, multi-factorial disorders, in which genetic factors play a major role, so-called phenomenon familial aggregation or clustering IBD. A positive family history is often reported among CD UC probands, percentages depending on geographic context studies carried out. Israel complex...

10.23736/s0026-4806.19.06389-4 article EN Minerva Medica 2020-04-01

Background. The aim of this study was to analyze the influence laparotomy on systemic inflammatory response in human patients suffering from secondary peritonitis. Study Design. A prospective investigating levels white blood cells, C-reactive protein, platelets, interleukin-six, and tumor necrosis factor-alpha during five who suffered Six venous samples were collected perioperatively each patient. data summarized by descriptive statistics presented a box plot. hypothesis that increases...

10.1155/2014/674303 article EN cc-by International Journal of Inflammation 2014-01-01
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