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Primary localized bladder amyloidosis with negative postoperative Congo red staining: A case report.
Urol Case Rep
January 2025
Department of Urology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China.
Article Synopsis
- Localized bladder amyloidosis is a rare condition that can be mistaken for a bladder tumor, with only over 200 cases documented.
- A 67-year-old woman experienced painless blood in urine, leading to tests that suggested bladder amyloidosis, including a Congo red staining potentially indicating the presence of amyloid.
- The excised tissue from her procedure showed unexpected pink-staining patterns but did not confirm amyloidosis through Congo red staining, highlighting the importance of thorough evaluation for diagnosis despite negative results.
Frailty in heart failure according to the presence or absence of wild-type transthyretin cardiac amyloidosis.
ESC Heart Fail
September 2024
INSERM, IMRB, Univ Paris Est Creteil, Creteil, France.
Aims: Wild-type transthyretin cardiac amyloidosis (ATTRwt CA) is a common, underdiagnosed cause of heart failure (HF) in the elderly. Concurrent extracardiac amyloid infiltration might be responsible for a specific frailty phenotype. This study aims to compare the prevalence and characteristics of frailty parameters in HF patients, with or without ATTRwt CA.
View Article and Find Full Text PDF[A Case of Systemic Wild-Type Transthyretin Amyloid (ATTR) Amyloidosis Diagnosed in a Patient with Gross Hematuria].
Hinyokika Kiyo
March 2024
The Department of Urology, Japanese Red Cross Asahikawa Hospital.
An 85-year-old woman visited our hospital with a complaint of asymptomatic gross hematuria. Cystoscopy showed a non-papillary sessile tumor about 3 cm in size. Magnetic resonance imaging (MRI) suggested invasion of surrounding fat tissue.
View Article and Find Full Text PDFLocalized Urinary Bladder Amyloidosis as Urothelial Cancer Mimicker.
Arch Pathol Lab Med
May 2024
The Department of Urology , Loyola University Medical Center, Maywood, Illinois (Farooq, Turk, Picken).
Context.—: Localized amyloidosis of the bladder is rare and often mimics bladder malignancy. It is typically associated with the extracellular deposition of monoclonal light chains, either κ or λ.
View Article and Find Full Text PDFArticle Synopsis
- A case study discusses a rare instance of amyloid A amyloidosis in the bladder following treatment for bladder cancer in an 87-year-old man.
- The patient experienced recurrent bladder tumors, with biopsy results indicating the presence of amyloid A, which might be linked to his existing cardiac issues.
- The findings suggest that bladder tumor pathology can help identify systemic amyloid A amyloidosis, potentially explaining the patient's cardiac complications.
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