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  • Title: Metastatic epithelioid sarcoma with an N-ras oncogene mutation.
    Author: Kusakabe H, Yonebayashi K, Sakatani S, Iki M, Nakasuji K, Kiyokane K, Yasuhara M, Nakagawa J, Mori H.
    Journal: Am J Dermatopathol; 1994 Jun; 16(3):294-300. PubMed ID: 7943638.
    Abstract:
    At age 25 a Japanese woman noticed an elastic-hard nodule 2 cm in diameter on the anterior side of her right leg. The nodule had developed an ulcer in its center. Simple resection was performed several times. However, the lesion recurred repeatedly. The patient underwent amputation of the right leg at the age of 34, because the diagnosis of epithelioid sarcoma was established histologically. No recurrence was observed for 9 years. Recently, the patient noticed multiple painful, ulcerative nodules about 1 cm in diameter on her scalp, trunk, and extremities. She refused extensive resection for a religious reason and died of massive hematemesis. Autopsy revealed metastatic epithelioid sarcoma in the skin, lungs, kidneys, pancreas, transverse colon, thyroid, and sternum. Chromosomal analysis of the tumor revealed various aberrations and an N-ras oncogene mutation.
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