Rhabdomyosarcoma of the renal pelvis is an extremely rare lesion for which only two reports are available. Here, we report another case of botryoid-type pleomorphic rhabdomyosarcoma in the renal pelvis. The tumor produced mild hydroureteronephrosis and right nephrectomy was performed after the needle aspiration cytology revealed abnormal epithelial clusters. The surgical specimen disclosed a polypoid mass attached to the wall of the lower pole of the renal pelvis. Light microscopy examination revealed a large polypoid tumor protruding from the inner surface of the renal pelvis with intact surface urothelium. Immunohistochemical stains for actin, myoglobin, and vimentin were positive. Although rhabdomyosarcoma has formerly been reported to occur at the renal pelvis, to our knowledge, this is the first case of renal pelvis botryoid-type pleomorphic rhabdomyosarcoma diagnosed by light microscopy and immunohistochemical stains.

Keywords:
Renal pelvis tumor, Rhabdomyosarcoma, Cambian layer, Botryoid-type tumor
This content is only available via PDF.
© 2006 S. Karger AG, Basel
2006
Copyright / Drug Dosage / Disclaimer
Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher.
Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug.
Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.
You do not currently have access to this content.