Cystic embryonal sarcoma of kidney: A case report

Brett Delahunt, J. Bruce Beckwith, John N. Eble, Mark R. Fraundorfer, Timothy D. Sutton, Grant E. Trotter

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

BACKGROUND. Morphologic analysis of malignant renal tumors of childhood and adolescence has resulted in the identification of a variety of tumor types with characteristic histology and clinical behavior. The authors report a case of renal sarcoma in a 19-year-old male that differs in morphology from the various established categories of primitive renal tumors. METHODS. Sections taken from the nephrectomy specimen were stained by routine methods and by immunohistochemistry for stromal and epithelial markers, and for proliferation markers. In addition, ultrastructural studies were undertaken. RESULTS. The tumor, which the authors termed cystic embryonal sarcoma, was comprised of poorly differentiated malignant mesenchyme in a myxoid stroma. Numerous epithelial-lined cysts were present. The distribution of the cysts and proliferation kinetics of cyst-lining epithelial cells suggested that they were derived from entrapped renal tubules. The tumor showed early recurrence postoperatively and after aggressive chemotherapy. The pathologic features and clinical behavior of the tumor resemble those of 2 previously reported cases and an additional 25 cases from the files of the National Wilms' Tumor Study Pathology Center. CONCLUSIONS. The clinical and histologic features of cystic embryonal sarcoma differ from those of other renal tumors of childhood and adolescence, and the tumor appears to be a novel form of renal malignancy.

Original languageEnglish (US)
Pages (from-to)2427-2433
Number of pages7
JournalCancer
Volume82
Issue number12
DOIs
StatePublished - Jun 15 1998

Fingerprint

Sarcoma
Kidney
Neoplasms
Cysts
Wilms Tumor
Mesoderm
Nephrectomy
Histology
Epithelial Cells
Immunohistochemistry
Pathology
Recurrence
Drug Therapy

Keywords

  • Kidney
  • Nephroblastoma
  • Proliferation kinetics
  • Sarcoma
  • Ultrastructure

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

Cite this

Delahunt, B., Beckwith, J. B., Eble, J. N., Fraundorfer, M. R., Sutton, T. D., & Trotter, G. E. (1998). Cystic embryonal sarcoma of kidney: A case report. Cancer, 82(12), 2427-2433. https://doi.org/10.1002/(SICI)1097-0142(19980615)82:12<2427::AID-CNCR17>3.0.CO;2-R

Cystic embryonal sarcoma of kidney : A case report. / Delahunt, Brett; Beckwith, J. Bruce; Eble, John N.; Fraundorfer, Mark R.; Sutton, Timothy D.; Trotter, Grant E.

In: Cancer, Vol. 82, No. 12, 15.06.1998, p. 2427-2433.

Research output: Contribution to journalArticle

Delahunt, B, Beckwith, JB, Eble, JN, Fraundorfer, MR, Sutton, TD & Trotter, GE 1998, 'Cystic embryonal sarcoma of kidney: A case report', Cancer, vol. 82, no. 12, pp. 2427-2433. https://doi.org/10.1002/(SICI)1097-0142(19980615)82:12<2427::AID-CNCR17>3.0.CO;2-R
Delahunt B, Beckwith JB, Eble JN, Fraundorfer MR, Sutton TD, Trotter GE. Cystic embryonal sarcoma of kidney: A case report. Cancer. 1998 Jun 15;82(12):2427-2433. https://doi.org/10.1002/(SICI)1097-0142(19980615)82:12<2427::AID-CNCR17>3.0.CO;2-R
Delahunt, Brett ; Beckwith, J. Bruce ; Eble, John N. ; Fraundorfer, Mark R. ; Sutton, Timothy D. ; Trotter, Grant E. / Cystic embryonal sarcoma of kidney : A case report. In: Cancer. 1998 ; Vol. 82, No. 12. pp. 2427-2433.
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