The involvement of the ureter as a site of metastasis of colorectal cancer is quite rare. Here we present FDG PET/CT findings of the right ureter metastasis from colon cancer in a patient after colectomy 6 years ago. 18 F-FDG PET/CT showed increased 18 F-FDG uptake in the right ureter with SUV max of 4.3. The pathology and immunohistochemistry confirmed the diagnosis of ureter metastasis from colon cancer.
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http://dx.doi.org/10.1097/RLU.0000000000005127 | DOI Listing |
Ann Surg Oncol
January 2025
Division of Colorectal Surgery, Changzheng Hospital, Navy Medical University, Shanghai, China.
Background: Local relapse has not been eradicated even in the era of total mesorectum excision. Although various approaches have been attempted, R0 resection remains the only potentially curative treatment. PATIENT AND METHODS: A 45-year-old woman with a history of laparoscopic abdominoperineal resection was diagnosed with pelvic recurrence 7 months ago.
View Article and Find Full Text PDFBMC Med Imaging
December 2024
Department of Radiology, The First Affiliated Hospital of Xiamen University, 55 Zhenhai Road, Xiamen, 361000, People's Republic of China.
Purpose: Exploring the computed tomography (CT), magnetic resonance imaging (MRI), and fluorodeoxyglucose positron emission tomography (FDG-PET)/CT Multimodal Imaging Characteristics of Desmoplastic Small Round Cell Tumor (DSRCT) to enhance the diagnostic proficiency of this condition.
Methods: A retrospective analysis was performed on clinical data and multimodal imaging manifestations (CT, MRI, FDG-PET/CT) of eight cases of DSRCT. These findings were systematically compared with pathological results to succinctly summarize imaging features and elucidate their associations with both clinical and pathological characteristics.
J Med Case Rep
August 2024
Department of Urology, Faculty of Medicine, Miyazaki University, 5200 Kihara, Kiyotake, Miyazaki, 889-1692, Japan.
Introduction: Metastasis of malignant melanoma to urinary tract is reported to be rare. According to retrospective analysis of a single center study, improvement of overall survival was observed in patients with metastasis to the gastrointestinal tract that had undergone metastasectomy with curative intent. However, there is no significant evidence regarding resection for metastasis to urinary tract.
View Article and Find Full Text PDFOpen Vet J
July 2024
Department of Veterinary Surgery and Animal Reproduction, School of Veterinary Medicine and Animal Science (FMVZ), São Paulo State University (UNESP), Botucatu, Brazil.
Background: Primary ureteral neoplasms are extremely rare in dogs, and ureteral involvement usually occurs owing to the invasion of renal and bladder tumors.
Case Description: This case report describes a 12-year-old intact male mixed-breed dog referred to a private clinic with a six-month history of abdominal distention. A physical examination revealed mild abdominal pain.
Urol Oncol
November 2024
Indiana University Department of Urology, Indianapolis, IN. Electronic address:
Objectives: We sought to determine whether bladder cuff excision and its technique influence outcomes after radical nephroureterectomy (RNU) for upper tract urothelial carcinoma (UTUC).
Methods And Materials: A multicenter, international, retrospective analysis using the ROBotic surgery for Upper tract Urothelial cancer Study (ROBUUST) 2.0 registry identified 1,718 patients undergoing RNU for UTUC between 2015 and 2023 at 17 centers across the United States, Europe, and Asia.
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