Metástasis retroperitoneal de liposarcoma mixoide/células redondas: patrón metastásico peculiar Retroperitoneal metastases of myxoid/round cell liposarcoma: a peculiar metastatic pattern

SUMMARY Myxoid liposarcoma usually ocurs in extremities in younger patients, showing a myxoid appearance and distinctive cytogenetic features. We report a huge retroperitoneal myxoid tumor, with in a patient that initially presented a liposarcoma of the thigh. The tumour showed a fine plexiform capillary network with monomorphic spindle-cell and atypical round cells. FISH showed a translocation t(…