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Isolation and Characterization of Tumor-initiating Cells from Sarcoma Patient-derived Xenografts
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Low-Grade Fibromyxoid Sarcoma Incidentally Discovered as a Hip Mass: A Case Report
Xinying Jia1, Rui Ma1, Hongyan Liu2
1Department of Ultrasound, China-Japan Friendship Hospital, Beijing, China.
Abstract:
Low-grade fibromyxoid sarcoma (LGFMS) is a rare soft tissue malignant tumor that presents as a slowly enlarging painless mass that is difficult to differentiate from other neoplasms. A 56-year-old woman presented to our clinic with a soft mobile mass in the left buttock and ipsilateral lower limb stiffness. Ultrasonography revealed a hypoechoic mass in the gluteus maximus adhering to and compressing the sciatic nerve. Ultrasound-guided biopsy indicated that the tumor consisted of spindle cells featuring mucinous metaplasia. Postoperative pathology confirmed LGFMS. Postoperative follow-up showed good recovery and no sciatic nerve compression. This case presents an effective approach to diagnose LGFMS.
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