Results 11 to 20 of about 1,011 (119)
A unique case of urinary bladder simple melanosis: a case report and review of the literature [PDF]
Diagnostic Pathology, 2009 Melanosis refers to abnormal or excessive deposition of melanin pigment in the cells and/or tissue, which can be seen in any organ but commonly in skin and oral mucosa.
Hollowell Christopher +4 more
doaj +8 more sources
Unusual case of simple urinary bladder melanosis with complete resolution. [PDF]
BMJ Case Rep, 2018 A 66-year-old man presented with a long history of recurrent attacks of urinary retention and lower urinary tract symptoms. Flexible cystoscopy showed a urethral stricture. Follow-up cystoscopy 7 years later for recurrent symptoms demonstrated unusual extensive mucosal brown to black pigmentation, which proved histopathologically to be a simple bladder
Mera Z, Patel S, Qassid O, England R.
europepmc +6 more sources
Melanosis of the bladder: Case study of a rare and obscure entity [PDF]
International Journal of Surgery Case ReportsABSTRACT Introduction and importance: Melanosis of the bladder is a rare condition defined by the development of melanin in the bladder's urothelium and/or macrophages in the lamina propria. This condition first became known in humans in 1986, with fewer than 30 cases described in the English ...
Jihad Lakssir
exaly +4 more sources
Urinary tract transitional cell carcinoma and melanosis of the bladder: a case report and review of the literature [PDF]
Annals of the Royal College of Surgeons of England, 2012 Melanosis vesica is a rare condition and thought to be benign. We report the case of a 50-year-old man who presented with haematuria and was found to have a diffusely pigmented bladder on cystoscopy and high grade transitional cell carcinoma of his upper and lower renal tract.
J A, Harikrishnan, S, Chilka, S, Jain
exaly +5 more sources
Rare melanosis in the urinary bladder and prostate: a case report [PDF]
Journal of Surgical Case ReportsAbstract Melanosis, the aberrant deposition of melanin pigment in the absence of melanocytes, is very rare in the genitourinary tract. We report a case of a 74-year-old male with symptomatic benign prostatic hyperplasia. Diagnostic cystourethroscopy demonstrated bladder mucosa remarkable for numerous flat, velvety, and brown–black ...
Pierre T C Tran
exaly +4 more sources
Do We Need Surveillance Urethro-Cystoscopy in Patients with Neurogenic Lower Urinary Tract Dysfunction? [PDF]
PLoS ONE, 2015 To examine the value of surveillance urethro-cystoscopy in patients with neurogenic lower urinary tract dysfunction (NLUTD) in regard to the conflicting literature as it is generally agreed that patients with NLUTD are at increased risk for bladder ...
Ulla Sammer +5 more
doaj +4 more sources
Acquired childhood bladder melanosis
Annals of Pediatric Surgery, 2022 Abstract Background Bladder melanosis is rare. It has previously been described only in the fifth decade of life or beyond; it has not been described in childhood. Previous descriptions have generally been case reports, and so the natural history is poorly understood.
Roma Subhash Varik, Arash Taghizadeh
exaly +2 more sources
Plasmacytoid Melanoma of the Urinary Bladder and Lymph Nodes with Immunohistochemical Expression of Plasma Cell Markers Revealing Primary Esophageal Melanoma [PDF]
Case Reports in Pathology, 2012 Plasmacytoid variant of melanoma is reported in only rare cases. We present the case of a 54-years-old man admitted for enlarged lymph nodes in the lumbar region. Initial diagnosis of plasmablastic lymphoma/plasma cell myeloma was considered.
Slim Charfi +5 more
doaj +2 more sources
[Melanosis of the bladder-a rare diagnosis]. [PDF]
Urologie, 2023 Melanosis of the urinary bladder is an extremely rare benign condition in which melanin deposits occur in the urothelial and stromal cells. We report such a case in which melanosis of the urinary bladder was detected in a 55-year-old woman with known multiple sclerosis during an extended workup due to urinary urgency complaints.
Hagmann S, Born D, Schmid HP, Rührup J.
europepmc +3 more sources
A Rare Case of Bladder Melanosis: A Case Report and Review of the Literature. [PDF]
CureusBladder melanosis is a rare and poorly understood condition involving melanin pigmentation within the urothelial mucosa. Cases often present with haematuria, urinary obstructive symptoms, or cystitis. While generally considered benign, its potential association with malignancy warrants regular monitoring, as cases have previously been reported of an ...
Walters B +3 more
europepmc +3 more sources