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Bladder
Other tumors
Rhabdoid tumor
Author: Nat Pernick, M.D. (see Authors page)
Revised: 23 December 2009, last major update - December 2009
Copyright: (c) 2002-2009, PathologyOutlines.com, Inc.
Definition
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● Controversial tumor of bladder - a few unequivocal cases in children / teenagers have been described
Terminology
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Epidemiology
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Sites
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Etiology
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Clinical features
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● Poor prognosis
Prognostic factors
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Case reports
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Treatment
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Clinical images
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Gross description (Macroscopy)
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Gross images
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Micro description (Histopathology)
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● Cases with prominent rhabdoid component usually have other carcinoma components (Hum Pathol 2006;37:168, free text)
● Large rhabdoid cells with abundant brightly eosinophilic cytoplasm, vesicular nuclei and a prominent nucleolus in a myxoid background
Micro images
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Fig 1: large rhabdoid cells Fig 2: large round/oval cells
with abundant cytoplasm with prominent nucleoli
Renal rhabdoid tumor #1; #2; #3; #4
Cytology description
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Cytology images
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Positive stains
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● Keratin (EMA, CAM 5.2, AE1-AE3)
Negative stains
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Electron microscopy descriptions
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Electron microscopy images
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Kidney: whorled aggregate of intermediate filaments
Molecular / cytogenetics description
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Molecular / cytogenetics images
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Differential Diagnosis
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Additional references
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End of Bladder > Other tumors > Rhabdoid tumor
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