Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
2002-9-18
pubmed:abstractText
Activating point mutations in the FGFR3 gene occur frequently in low-grade and low-stage bladder carcinomas, whereas they are rare in high-grade carcinomas. This study investigates the incidence of FGFR3 mutations in 12 urothelial papillomas and 79 pTaG1 tumours which were regraded according to the 1998 WHO/ISUP classification system, resulting in 62 papillary urothelial neoplasms of low malignant potential (PUNs-LMP) and 17 low-grade papillary urothelial carcinomas (LG-PUCs). FGFR3 mutation analysis of 21 ovarian Brenner tumours was also performed. Seventy-seven cases were detected with a mutation in the FGFR3 gene. The mutations were exclusively found in bladder neoplasms. In urothelial papilloma, generally considered a benign lesion, 9/12 (75%) mutations were found. This report is the first to describe a genetic defect in urothelial papilloma. A comparable percentage of mutations was found in PUNs-LMP (85%) and LG-PUCs (88%). No mutations were found in matched normal DNA from bladder tumour patients. The mean follow-up was 5.78 years (range 0.21-17.60 years). Five patients developed high-grade papillary urothelial carcinoma from 2.5 to 12 years after first diagnosis. Two patients died of bladder cancer. The mean number of recurrences (recurrence rate) per year was 0.03, 0.21, and 0.46, respectively, for papilloma, PUN-LMP, and LG-PUC. Urothelial papilloma is a rare lesion with a benign natural behaviour compared with PUN-LMP and LG-PUC of the bladder, but from a molecular perspective, papillomas should be classified together with all well-differentiated urothelial neoplasms.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Oct
pubmed:issn
0022-3417
pubmed:author
pubmed:copyrightInfo
Copyright 2002 John Wiley & Sons, Ltd.
pubmed:issnType
Print
pubmed:volume
198
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
245-51
pubmed:dateRevised
2009-11-19
pubmed:meshHeading
pubmed-meshheading:12237885-Adult, pubmed-meshheading:12237885-Aged, pubmed-meshheading:12237885-Analysis of Variance, pubmed-meshheading:12237885-Carcinoma, Transitional Cell, pubmed-meshheading:12237885-DNA, Neoplasm, pubmed-meshheading:12237885-DNA Mutational Analysis, pubmed-meshheading:12237885-Disease Progression, pubmed-meshheading:12237885-Female, pubmed-meshheading:12237885-Follow-Up Studies, pubmed-meshheading:12237885-Humans, pubmed-meshheading:12237885-Male, pubmed-meshheading:12237885-Middle Aged, pubmed-meshheading:12237885-Neoplasm Recurrence, Local, pubmed-meshheading:12237885-Neoplasms, Squamous Cell, pubmed-meshheading:12237885-Point Mutation, pubmed-meshheading:12237885-Protein-Tyrosine Kinases, pubmed-meshheading:12237885-Receptor, Fibroblast Growth Factor, Type 3, pubmed-meshheading:12237885-Receptors, Fibroblast Growth Factor, pubmed-meshheading:12237885-Urinary Bladder Neoplasms
pubmed:year
2002
pubmed:articleTitle
Frequent FGFR3 mutations in urothelial papilloma.
pubmed:affiliation
Department of Pathology, Josephine Nefkens Institute, Erasmus University, 3000 DR Rotterdam, The Netherlands.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't