Korean J Dermatol.  2007 Mar;45(3):275-278.

A Case of Primitive Neuroectodermal Tumor that Arose from Subcutaneous Tissue of the Buttock

Affiliations
  • 1Department of Dermatology, College of Medicine, Korea University, Seoul, Korea. hjsongmd@medimail.co.kr
  • 2Department of Pathology, College of Medicine, Korea University, Seoul, Korea.

Abstract

Primitive neuroectodermal tumors (PNETs) are malignant, round-cell sarcomas which exhibit primitive neuronal differentiation. They usually arise in deep soft tissues, but occasionally bones and visceral organs are affected. In general, PNET presents as rapidly-growing, deeply located masses measuring 5~10 cm at their greatest diameter. Superficially located cases do occur but are rare. The typical PNET is composed of sheets or lobules of small round cells containing darkly-staining, round or oval nuclei. The cytoplasm is indistinct except in areas where the cells are more mature and elongated hair-like cytoplasmic extensions coalesce to form rosettes. We herein report a case of PNET that arose from subcutaneous tissue of the buttock in a 31-year-old woman.

Keyword

Primitive neuroectodermal tumor; Subcutaneous tissue

MeSH Terms

Adult
Buttocks*
Cytoplasm
Female
Humans
Neuroectodermal Tumors, Primitive*
Neurons
Sarcoma
Subcutaneous Tissue*
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