“…According to some authors (1,5) tumor resection with chemotherapy is indispensable for the treatment of ruptured USL in children. However, in adult patients over 65 years of age, as in our case, it has not yet been established that adjuvant chemotherapy after complete lesion resection can decrease recurrence or metastasis (6). According to Lenze neoadjuvant therapy may become an option in the strategy for treating adults when diagnosis can be made pre-operatively (4).…”