Transitional cell carcinoma (TCC) of the ureter is an uncommon urologic malignancy, with approximately 150 cases diagnosed annually. Metastatic brain disease from ureteral TCC is exceedingly rare. To our knowledge, our case report represents only the second report of brain metastasis from ureteral TCC and the only reported patient to undergo resection of their TCC brain metastasis.
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Use of the subcutaneous ureteral bypass device and urethral stenting for treatment of malignant urinary outflow tract obstructions in cats.
J Feline Med Surg
September 2024
Department of Veterinary Interventional Radiology and Interventional Endoscopy, The Schwarzman Animal Medical Center, New York, NY, USA.
Article Synopsis
- This study focused on the success of two devices, the subcutaneous ureteral bypass (SUB) and self-expanding metallic stents (SEMS), used to relieve urinary obstructions in cats with malignant tumors, specifically transitional cell carcinoma (TCC).
- A total of 14 cats were examined, with different obstruction types; findings showed that SUB devices effectively prevented recurrent ureteral obstructions, while SEMS had a significant rate of re-obstruction.
- Overall, the study concluded that these devices are effective for immediate relief of urinary blockages in cats, and using additional therapies alongside could enhance survival times for those affected by TCC.
Persistent ureteric stump syndrome post ureteric re-implantation following impacted distal ureterolithiasis: Experience from tertiary hospital. Case report.
Int J Surg Case Rep
November 2024
Department of Surgery, School of Medicine, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania.
Introduction And Importance: Ureteric stump syndrome [USS] is a series of febrile recurrent lower abdominal pain, urinary tract infections, and hematuria that sometimes present with empyema as a rare complication. The ureteric stump is left after ureteric re-implantation due to an impacted stone at the Vesical-ureteric junction [VUJ], or after nephrectomy of a non-functional kidney due to a distal stone; the ureteral stump forms a source of infection to the urinary bladder, in addition to long-term obstructive stones left at the ureteric stamp. This usually cause chronic irritation of the mucosa and potentially change to metaplasia, dysplasia and malignancy.
View Article and Find Full Text PDFMyeloid osseous metaplasia of the lung: A case report.
Biomed Rep
January 2024
Department of Scientific Affairs, Smart Health Tower, Sulaymaniyah, Kurdistan 46001, Republic of Iraq.
Pulmonary osseous metaplasia is a disease in which mature bone is found within the parenchyma of the lung. The current study presents a case of pulmonary osseous metaplasia in a 64-year-old female. The patient was previously diagnosed with transitional cell carcinoma (TCC) of the lower ureter.
View Article and Find Full Text PDFIncidence, mortality and survival of transitional cell carcinoma in the urinary system: A population-based analysis.
Medicine (Baltimore)
November 2023
Department of Cardiology, The Affiliated Hospital of Putian University, Putian, Fujian, China.
Article Synopsis
- This study investigates the differences in incidence, mortality, and survival rates of transitional cell carcinomas (TCCs) across four parts of the urinary system, using data from the SEER database from 2000-2018.
- It finds that bladder TCC has the highest rates of incidence and mortality, with a slight decline in rates for both bladder and urethra TCCs over the study period.
- Patients with bladder TCC exhibit better overall and cancer-specific survival compared to those with renal pelvis TCC, which has the worst survival outcomes; localized bladder TCC shows significantly higher relative survival rates than upper tract urothelial carcinoma (UTUC).
Spontaneous Suburothelial Hemorrhage: The Crucial Role of Radiology in Preventing Unnecessary Interventions.
Int Med Case Rep J
September 2023
Radiology Department, Tikur Anbessa Specialized Referral Hospital (TASH), Addis Ababa University, Addis Ababa, Ethiopia.
Spontaneous suburothelial hemorrhage (SSH), also known as Antopol Goldman lesion, is a rare condition characterized by spontaneous bleeding into the renal sinus and proximal ureter wall. This case report describes the clinical presentation, imaging findings, and management of SSH in a 20-year-old female initially suspected to have urothelial malignancy. Imaging features of SSH include pre-contrast hyperdensity and non-enhancing thickening of the pelviureteric wall, which can mimic transitional cell carcinoma (TCC) and lead to unnecessary interventions.
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