CD34 and neoplasm: These may show positivity for CD34; however, the presence of spindle cells and often myxoid stroma may help in diagnosing SL/PL [22]. Atypical spindle cell/pleomorphic lipomatous tumors contain spindle cells and adipocytes akin to SL/PL, however, they additionally have lipoblasts, hyperchromatic pleomorphic spindle cells, and an infiltrative tumor front.