Runjan Chetty

ORCID: 0000-0002-2124-515X
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About
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Research Areas
  • Genetic factors in colorectal cancer
  • Neuroendocrine Tumor Research Advances
  • Sarcoma Diagnosis and Treatment
  • Pancreatic and Hepatic Oncology Research
  • Colorectal Cancer Screening and Detection
  • Gastric Cancer Management and Outcomes
  • Cell Adhesion Molecules Research
  • Gastrointestinal disorders and treatments
  • Gastrointestinal Tumor Research and Treatment
  • Viral-associated cancers and disorders
  • Colorectal and Anal Carcinomas
  • Cancer-related Molecular Pathways
  • Soft tissue tumor case studies
  • Cancer Genomics and Diagnostics
  • Lymphoma Diagnosis and Treatment
  • Colorectal Cancer Surgical Treatments
  • Tumors and Oncological Cases
  • Cancer Diagnosis and Treatment
  • Vascular Tumors and Angiosarcomas
  • Neuroblastoma Research and Treatments
  • Colorectal Cancer Treatments and Studies
  • Ovarian cancer diagnosis and treatment
  • Helicobacter pylori-related gastroenterology studies
  • Chromatin Remodeling and Cancer
  • Neurofibromatosis and Schwannoma Cases

University Health Network
2013-2025

University of Toronto
2011-2023

Fiona Stanley Hospital
2023

Diageo (Ireland)
2023

University Hospitals Sussex NHS Foundation Trust
2020-2021

Brighton Hospital
2020

Toronto General Hospital
2007-2019

Royal Perth Hospital
2016-2018

University of Oxford
1993-2015

John Radcliffe Hospital
1993-2015

Epithelial neuroendocrine tumors (NETs) have been the subject of much debate regarding their optimal classification. Although multiple systems nomenclature, grading, and staging proposed, none has achieved universal acceptance. To help define underlying common features these classification to identify minimal pathology data that should be reported ensure consistent clinical management reproducibility from therapeutic trials, a multidisciplinary team physicians interested in NETs was...

10.1097/pas.0b013e3181ce1447 article EN The American Journal of Surgical Pathology 2010-02-23

Polycystic kidney disease 1 (PKD1) is the major locus of common genetic disorder autosomal dominant polycystic disease. We have studied PKD1 mRNA, with an RNase protection assay, and found widespread expression in adult tissue, high levels brain moderate signal kidney. Expression protein, polycystin, was assessed using monoclonal antibodies to a recombinant protein containing C terminus molecule. In fetal kidney, staining restricted epithelial cells. developing nephron most prominent mature...

10.1073/pnas.93.4.1524 article EN Proceedings of the National Academy of Sciences 1996-02-20

Immunohistochemistry (IHC) for mismatch repair (MMR) proteins is used to identify MMR status: being diffusely positive (intact/retained nuclear staining) or showing loss of tumour staining (MMR protein deficient). Four colonic adenocarcinomas and a gastric adenocarcinoma with associated dysplasia that displayed heterogenous IHC patterns in at least one the four were characterised by next-generation sequencing (NGS). In order examine potential molecular mechanism these patterns, respective...

10.1002/cjp2.120 article EN cc-by-nc The Journal of Pathology Clinical Research 2018-11-02

Transcriptional analyses have identified several distinct molecular subtypes in pancreatic ductal adenocarcinoma (PDAC) that prognostic and potential therapeutic significance. However, to date, an indepth, clinicomorphological correlation of these has not been performed. We sought identify specific morphological patterns compare with known subtypes, interrogate their biological significance, furthermore reappraise the current grading system PDAC.We first assessed 86 primary,...

10.1136/gutjnl-2019-318217 article EN Gut 2019-06-14

Aim: To describe an unusual human immunodeficiency virus (HIV)‐associated lymphoma in uncommon sites. Plasmablastic is a distinctive HIV‐associated tumour that was first described the jaws and oral cavity. Only two cases (stomach lung) have been documented extra‐oral Materials methods: Four were encountered HIV+ patients: three anorectal region one which nasal paranasal. The routinely processed immunohistochemistry performed on formalin‐fixed paraffin‐embedded tissue. Results: showed typical...

10.1046/j.1365-2559.2003.01636.x article EN Histopathology 2003-05-23

Mucoepidermoid carcinoma (MEC) is the most common salivary gland malignancy. Oncocytic MEC (OMEC) has been rarely reported with previous cases suggesting they are largely cystic low-grade neoplasms a favorable prognosis. The differential diagnosis of OMEC includes numerous oncocytic/"oncocytoid" neoplasms. Some benign while others aggressive. Recent evidence suggests that p63 reliable marker in conventional but not explored OMEC. We searched archives various institutions for examples to...

10.1097/pas.0b013e318184b36d article EN The American Journal of Surgical Pathology 2009-02-23

Abstract Wnt pathway deregulation is a common characteristic of many cancers. Only colorectal cancer predominantly harbours mutations in APC , whereas other types (hepatocellular carcinoma, solid pseudopapillary tumours the pancreas) have activating β‐catenin ( CTNNB 1) . We compared dynamics and potency vivo Within murine small intestine SI ), an mutation took much longer to achieve acquire crypt‐progenitor cell CPC ) phenotype than Apc or Gsk3 loss. colon, single was unable drive induce...

10.15252/embj.201591739 article EN cc-by The EMBO Journal 2015-08-03
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