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Wilms Tumor and Other Childhood Kidney Tumors Treatment (PDQ®): Treatment - Health Professional Information [NCI] - Primary Renal Synovial Sarcoma

General Information About Primary Renal Synovial Sarcoma

Primary renal synovial sarcoma is a subset of embryonal sarcoma of the kidney and is characterized by the t(x;18)(p11;q11) SYT-SSX translocation. It is similar in histology to the monophasic spindle cell synovial sarcoma and is considered an aggressive tumor with adverse patient outcomes in more than 50% of cases (n = 16).[1] Primary renal synovial sarcoma contains cystic structures derived from dilated, trapped renal tubules. Primary renal synovial sarcoma occurs more often in young adults.

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(Refer to the Wilms tumor Clinical Features and Diagnostic and Staging Evaluation sections of this summary for more information about the clinical features and diagnostic evaluation of childhood kidney tumors.)

Standard Treatment Options for Primary Renal Synovial Sarcoma

The standard treatment for primary renal synovial sarcoma is chemotherapy. Chemotherapy regimens that are different from those traditionally used for Wilms tumor are used.[2]


  1. Schoolmeester JK, Cheville JC, Folpe AL: Synovial sarcoma of the kidney: a clinicopathologic, immunohistochemical, and molecular genetic study of 16 cases. Am J Surg Pathol 38 (1): 60-5, 2014.
  2. Argani P, Faria PA, Epstein JI, et al.: Primary renal synovial sarcoma: molecular and morphologic delineation of an entity previously included among embryonal sarcomas of the kidney. Am J Surg Pathol 24 (8): 1087-96, 2000.

    This information is produced and provided by the National Cancer Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National Cancer Institute via the Internet web site at http:// cancer .gov or call 1-800-4-CANCER.

    WebMD Public Information from the National Cancer Institute

    Last Updated: May 28, 2015
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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