NDLI: Peripheral primitive neuroectodermal tumor of the urinary bladder in an Arab woman with history of squamous cell carcinoma: a case report

Content Provider	Springer Nature : BioMed Central
Author	Al Meshaan, Mohd Khaled Nayef, Marwan Kwaider, Talal Otto, Wolfgang Katchy, Ken C
Abstract	Introduction Peripheral primitive neuroectodermal tumors of the urinary bladder are rare and tend to occur in an older age group than do their counterparts in bones and soft tissue. Case presentation We report a case of peripheral primitive neuroectodermal tumor of the urinary bladder in a 67-year-old woman of Arab origin. She had undergone transurethral resection followed by chemotherapy because of pulmonary metastasized muscle-invasive squamous cell carcinoma of the bladder in 2005. One year later, she first presented with a history of repeated hematuria in our institution. Performing cystoscopy any tumor could be detected. Control cystoscopy two months later showed a tumor mass of 3 cm in diameter at another location than described for the first tumor. After perforating by transurethral resection partial bladder resection had to be done. Tissue specimen after pathological analysis revealed a peripheral primitive neuroectodermal tumor with tumor cells reactive to cluster of differentiation 99, neuron-specific enolase and S100 protein and stained negative for other markers such as cytokeratins, epithelial membrane antigen, desmin, smooth muscle actin, chromogranin and leucocyte common antigen. Staging computerized tomography was especially free from any hint on organ metastasis, but the patient died due to a cardiac problem only a few months later. Conclusions To the best of our knowledge, we report the eighth case of bladder peripheral primitive neuroectodermal tumors in literature and the first concerning an Arab patient. It is also the first presentation of a peripheral primitive neuroectodermal tumor patient with a history of squamous cell carcinoma of the bladder. As in other cases, expression of single-chain-type 1 glycoprotein and neural markers was positive and the disease was at an advanced stage at the time of diagnosis.
Related Links	https://jmedicalcasereports.biomedcentral.com/counter/pdf/10.1186/1752-1947-3-6840.pdf
Ending Page	4
Page Count	4
Starting Page	1
File Format	HTM / HTML
ISSN	17521947
DOI	10.1186/1752-1947-3-6840
Journal	Journal of Medical Case Reports
Issue Number	1
Volume Number	3
Language	English
Publisher	BioMed Central
Publisher Date	2009-04-29
Access Restriction	Open
Subject Keyword	Medicine Public Health General Practice Family Medicine Primary Care Medicine Surgical Oncology Internal Medicine Squamous Cell Carcinoma Urinary Bladder Bladder Tumor Smooth Muscle Actin Epithelial Membrane Antigen Medicine/Public Health
Content Type	Text
Resource Type	Case study
Subject	Medicine
Journal Impact Factor	0.9/2023

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