Splenic undifferentiated high grade pleomorphic sarcoma of a small size with fatal tumor rupture

Authors

  • BM Amatya Departments of Pathology and Tokyo Metropolitan Geriatric Hospital & Department of Human Pathology, Tokyo Medical and Dental University, Graduate School, Tokyo
  • M Sawabe Departments of Pathology and Tokyo Metropolitan Geriatric Hospital, Tokyo
  • T Arai Departments of Pathology and Tokyo Metropolitan Geriatric Hospital, Tokyo
  • T Kumakawa Internal Medicine, Tokyo Metropolitan Geriatric Hospital, Tokyo
  • K Takubo Human Tissue Research Group, Tokyo Metropolitan Institute of Gerontology, Tokyo
  • Y Kimula Department of Pathology, Ome Municipal General Hospital, Tokyo
  • M Koike Department of Human Pathology, Tokyo Medical and Dental University, Graduate School, Tokyo

DOI:

https://doi.org/10.3126/jpn.v1i2.5411

Keywords:

Undifferentiated pleomorphic sarcoma, Malignant fibrous histiocytoma, Splenic neoplasms, Retroperitoneal hemorrhage

Abstract

(The order of authors on this article was changed on 09/01/2012.)

Primary undifferentiated pleomorphic sarcoma of the spleen is a rare and highly aggressive neoplasm that usually presents with splenomegaly, constitutional symptoms and frequent distant metastases. We report a case of 77-year old male patient with a past history of dissecting aortic aneurysm that developed acute hemorrhagic shock. Aneurysmal rupture was clinically suspected, but the postmortem examination revealed a 25 mm-sized tumor in an atrophic spleen weighing 65 gram with massive retroperitoneal bleeding. Metastases were found in the right renal hilus, the right adrenal gland and femoral bone marrow. Histology of the tumor showed undifferentiated pleomorphic sarcoma. Tumor rupture with fatal bleeding and systemic metastases had occurred despite the small size of the tumor. Tumor size is not a reliable predictor of systemic metastasis or tumor rupture for splenic undifferentiated pleomorphic sarcoma.

Keywords: Undifferentiated pleomorphic sarcoma; Malignant fibrous histiocytoma; Splenic neoplasms; Retroperitoneal hemorrhage

DOI: http://dx.doi.org/10.3126/jpn.v1i2.5411

JPN 2011; 1(2): 151-153

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How to Cite

Amatya, B., Sawabe, M., Arai, T., Kumakawa, T., Takubo, K., Kimula, Y., & Koike, M. (2011). Splenic undifferentiated high grade pleomorphic sarcoma of a small size with fatal tumor rupture. Journal of Pathology of Nepal, 1(2), 151–153. https://doi.org/10.3126/jpn.v1i2.5411

Issue

Vol. 1 No. 2 (2011)

Section

Case Reports

License

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