期刊
TURKISH JOURNAL OF UROLOGY
卷 45, 期 6, 页码 423-430出版社
AVES
DOI: 10.5152/tud.2019.84453
关键词
Bladder cancer; CT scan; metastasis; MR tomography; PET scan
Objective: To compare the diagnostic role of Florine-18 2-fluoro-2-deoxy-D-glucose-Positron emission tomography/computed tomography (FDG-PET/CT) in the restaging of bladder cancer with other radiological methods and to determine its effect on the treatment management of patients with bladder cancer. Material and methods: A total of 83 patients who showed suspicious lesions with radiologic methods and FDG-PET/CT images were enrolled in the study. Positive lesion sites were detected and compared in all imaging modalities. Positive lesions were confirmed by biopsy or serial radiological imaging. Furthermore, the rate of change of the management and treatment modalities of patients after FDG-PET/CT were noted. Results: The most frequent metastasis was observed in lymphatic localizations in all imaging methods. Lymph node metastases was detected with FDG-PET/CT in 37/83 patients, with computed tomography in 28/80 patients, and with magnetic resonance imaging in 6/19 patients. Lymph node metastasis was detected most commonly in the pelvic region with all modalities. Following lymphatic localization in FDG-PET/CT and CT, metastases were found most frequently in the lung and bone regions. FDG-PET/CT also revealed 8 of the 12 local lesions that were detected by radiological methods and showed additional lesions in four patients that could not be demonstrated by radiological methods. FDG-PET/CT the treatment approaches in 34.9% (29/83) of patients. In 16 patients, it caused upstaging and commencement of advanced treatment methods. In 13 patients, malignancy was excluded in suspicious lesions and unnecessary advanced examination and treatment were avoided. FDG-PET/CT also caused three radical cystectomies, one partial cystectomy, and one urethrectomy in patients who had not under-gone any operational procedure previously. Conclusion: Despite physiological urinary tract uptake, FDG-PET/CT is superior to other imaging modalities not only in distant localizations but also in evaluating pelvic lesions and lymph nodes. In addition, the use of FDG-PET/CT during the restaging process contributes to the management of maximum number of patients.
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