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Melanosis of the Bladder: Possible Pathogenetic Mechanisms [PDF]

Case Reports in Urology, 2022
Melanin accumulation within the bladder urothelium and/or macrophages in the lamina propria (melanosis of the bladder) is a very rare phenomenon of unknown pathogenesis. Its rarity argues for a complex, likely multifactorial, causation.
Richard Ball, Justin Dupey, Sarah Wood
exaly   +6 more sources

Melanosis of the urinary bladder with associated urinary tract infection [PDF]

Urology Case Reports
Melanosis of the bladder is an exceedingly rare benign condition that can mimic more serious urothelial pathologies. Here, we analyze the clinical presentation, associated symptomatology, and follow-up of a patient presenting with melanosis and ...
Lauren Nesi, Jordan Sarver, Paramjot Gogia   +2 more
exaly   +6 more sources

A case report of melanosis of the bladder within a bladder diverticulum and associated Aerococcus urinary infection [PDF]

Urology Case Reports
Background: Melanosis vesicae is a rare condition characterized by the deposition of melanin within the bladder urothelium. Case presentation: We present a case of a 72-year-old male with a history of recurrent urinary retention, bladder diverticula, and
Jordan Sarver
exaly   +6 more sources

Melanosis of the bladder: A rare diagnosis

Urology Case Reports, 2020
Melanosis of the bladder is characterized by dark, velvety bladder mucosa due to melanin deposition. Less than 25 cases have been reported. We present a 45-year-old male undergoing work up for obstructive and storage irritative lower urinary tract ...
Diana Maria Lopategui
exaly   +5 more sources

Paediatric bladder melanosis: a rare case report [PDF]

Urology Case Reports
Bladder melanosis is a rare, typically benign histological finding involving melanin pigment deposition in the urothelium without melanocytes. Fewer than 40 reported cases exist, with only one prior paediatric case report.We present a 13-year-old male ...
Suzannah Woodhouse, Alexander Cho, Athanasios Tyraskis, Sharmila Sanchez, Thivya Sekar   +4 more
doaj   +5 more sources

Melanosis of bladder: A rare entity

Urology Case Reports, 2019
Melanosis of the bladder, also known as melanosis vesicae, refers to presence of pigment in bladder mucosa. A rare phenomenon, however, it can be confused with the primary or metastatic melanoma of the bladder.
K. Sawalem, M.Z. Mehdi, A.H. Ansari, Abdu Naser M.S. Ramadan   +3 more
exaly   +5 more sources

Bladder Melanosis: Clinicopathologic Insights Into a Rare Mimic of Malignant Melanoma [PDF]

Case Reports in Pathology
Melanosis of the urinary bladder (melanosis vesicae) is a rare condition where dark, velvety patches are seen on the bladder mucosa during cystoscopy. With fewer than 30 cases reported to date, it remains an exceptionally rare finding.
Mukund Tinguria
doaj   +3 more sources

Urinary bladder melanosis with complete resolution case report

African Journal of Urology, 2023
Background Melanosis of the bladder is a rare condition characterized by multifocal, diffuse melanin pigmentation of the urothelial mucosa or lamina propria without any proliferation of melanocytes.
Sanjeev Madaan, Daniela Mateescu, Amit Goel   +2 more
exaly   +3 more sources

Melanosis of the urinary bladder. [PDF]

Annals of the Royal College of Surgeons of England, 2023
Melanosis bladder refers to the urothelium of the bladder appearing black and velvety, with microscopic evaluation describing melanin deposition. Risk factors, pathogenesis and clinical implications are unknown because only sporadic cases are reported in the literature, both with and without the presence of urinary tract symptoms or malignancy.
Ni Raghallaigh H, Pineda-Turner A, Mather K, Chetwood A.   +3 more
exaly   +4 more sources

Bladder melanosis with concurrent urothelial carcinoma [PDF]

Urology Case Reports, 2017
Susanna E. Yau, Eric J. Singer, Yue Sun, Michael H. Johnson   +3 more
doaj   +4 more sources