A CASE OF STAGE 1E DIFFUSE LARGE B-CELL LYMPHOMA PRESENTED WITH KNEE INVOLVEMENT

Case report Bone involvement is rare in DLBCL. 70-yearold patient, applied to the orthopedics clinic dueto knee pain. Kneeprosthesis was planned. During operation suspicious nontumoral lesion with unclear borders was observed. Bone biopsy was taken from the intraoperatively detected lesion and a knee prosthesis was placed. According to PETCT and bonemarrow biopsy results, patient was diagnosed as stage 1E. Awareness of DLBCL with atypical presentation are of great importance in terms of early diagnosis