Chapter 12 The locomotor system/Fig 12.41.jpg

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Myxoid/round cell liposarcoma. Myxoid liposarcoma consists of small cells in a loose myxoid background with occasional cells whose vacuolated cytoplasm contains lipid (A). Round cell liposarcoma (B) consists of closely packed and more hyperchromatic cells, some showing vacuolation. Within one tumour these two patterns may be seen as in this case. The round cell component confers a much worse prognosis.