MALIGNANT THYMOMA WITH DIRECT INVASION INTO THE PERITONEAL-CAVITY - REPORT OF A CASE

Extrathoracic invasions or metastases from thymomas are extremely rare . We describe herein the case of a patient with malignant thymoma whic h recurred three times during an 8-year period and invaded directly in to the peritoneal cavity, involving the gastrointestinal tract, The hu ge thymoma was completely resected, along with the fornix of the stoma ch, the transverse colon, and the 8th, 9th, and 10th ribs, Careful obs ervation and multidisciplinary treatment against recurrent thymoma wil l be requisite for this patient,even though the tumor has been complet ely resected.