Fluorodeoxyglucose positron emission tomography/computed tomography for diagnosis of upper urinary tract urothelial carcinoma View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2015-10

AUTHORS

Seiji Asai, Tetsuya Fukumoto, Nozomu Tanji, Noriyoshi Miura, Masao Miyagawa, Kenichi Nishimura, Yutaka Yanagihara, Akitomi Shirato, Yuki Miyauchi, Tadahiko Kikugawa, Masayoshi Yokoyama

ABSTRACT

BACKGROUND: The purpose of this study was to assess the ability of fluorodeoxyglucose positron emission tomography/computed tomography (FDG-PET/CT) to detect upper urinary tract urothelial carcinomas (UTUC) compared with pathological examination of tissues obtained by ureteroscopic biopsy and split cytologic analysis of urine obtained after retrograde pyelography. METHODS: Clinicopathological records of patients at our institution were retrospectively reviewed. Fifty patients with clinically suspected UTUC, who were histologically diagnosed by nephroureterectomy, partial ureterectomy, or endoscopic biopsy, were included. The patient cohort included 42 men and 8 women, with a median age of 73 (range 54-92) years. RESULTS: Only 27 % of 49 patients with UTUC had positive voided urine cytology, and 33 % of 40 patients had positive split urine cytology. In addition, 40 % of 10 patients had a positive endoscopic biopsy. However, 83 % of 48 patients with UTUC had positive results from FDG-PET/CT examination. The positive predictive value of FDG-PET/CT was 95 %. There were no correlations between sensitivity and tumor stage or tumor grade. Sensitivity of FDG-PET/CT for patients with and without diabetes mellitus was 60 and 89 %, respectively. CONCLUSIONS: These preliminary results from a small number of patients revealed that FDG-PET/CT enabled effective detection of UTUC. More... »

PAGES

1042-1047

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s10147-015-0817-4

DOI

http://dx.doi.org/10.1007/s10147-015-0817-4

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1036397386

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/25794920


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44 schema:description BACKGROUND: The purpose of this study was to assess the ability of fluorodeoxyglucose positron emission tomography/computed tomography (FDG-PET/CT) to detect upper urinary tract urothelial carcinomas (UTUC) compared with pathological examination of tissues obtained by ureteroscopic biopsy and split cytologic analysis of urine obtained after retrograde pyelography. METHODS: Clinicopathological records of patients at our institution were retrospectively reviewed. Fifty patients with clinically suspected UTUC, who were histologically diagnosed by nephroureterectomy, partial ureterectomy, or endoscopic biopsy, were included. The patient cohort included 42 men and 8 women, with a median age of 73 (range 54-92) years. RESULTS: Only 27 % of 49 patients with UTUC had positive voided urine cytology, and 33 % of 40 patients had positive split urine cytology. In addition, 40 % of 10 patients had a positive endoscopic biopsy. However, 83 % of 48 patients with UTUC had positive results from FDG-PET/CT examination. The positive predictive value of FDG-PET/CT was 95 %. There were no correlations between sensitivity and tumor stage or tumor grade. Sensitivity of FDG-PET/CT for patients with and without diabetes mellitus was 60 and 89 %, respectively. CONCLUSIONS: These preliminary results from a small number of patients revealed that FDG-PET/CT enabled effective detection of UTUC.
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