Abstract:An adolescent girl presented with a 3-month history of a growing, painless mass in the right thigh. A magnetic resonance imaging (MRI) scan showed an inhomogeneous nodule in the subcutaneous layer with a largest diameter of approximately 5 cm. No enlarged lymph nodes were detectable in the groin. Results of a complete blood cell count and levels of alkaline phosphatase, lactic dehydrogenase, and C-reactive protein were unremarkable. An ultrasonography-guided core needle biopsy was performed, and histopathologi… Show more
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