_18_F_FDGPET_CT显像在恶性黑色素瘤诊断及分期中的价值.pdfVIP

2106 2009 25 11 Chin J M ed Imaging T echn ol , 2009, V ol 25, N o 11 18 Clinical value of FFDG PET/ CT in diagnosis and staging of malignant melanoma * LI L iqin , LI Dep eng, WAN G Zhengming, LONG Feng (Oncology Diag nosis and Radiotherap y Center, General osp ital of the Second Artilleryman of Chinese PLA , Beij ing 100086, China) [ Abstract] Ob ective T o discu ss the 18 FF DG P ET / CT f eatures o f m elano m a, and to evaluat e it s va lu e in staging of m ela nom a Methods 18 FF DG P ET / CT im ages and clinica l data o f 28 patient s w ith m elanom a prov ed p atholog ically w ere retr o sp ectively analy zed Results Lesio n s of cho ro idal m elanom a in the eyes pr esented w ith hyp erden sity , and m etabo lism in creased in 10 cm lesion s P ET / CT f ound more lesio ns th an PET or CT , but inf erior to M RI in display ing prim ar y le sio ns Int racranial m elanom a h ad som e ch aracter istics on PET / CT , but M RI w as better th an P ET / CT in detect ing and dif f er entiating these lesion s L ocal edem a in soft tissues w ithout uptake of 18 FF DG app eared in pr im ary m elano m a in the ex tr em ities L ocal and remo te m etastasis could be f ound in w ho le bo dy u sing 18 FFDG P ET / CT T he frequ ency o f pr ivately CT and pr iv at ely PET w ere 87 20% and 7 2 50% Conclusion 18 FF DG PET / CT h as so m e value in diag no sis and staging o f m elano m a [ Key words] M elanom a; T o mo g raphy , em issio nco mputed; T o mog raphy , Xray co mputed; Diag nosis; N eoplasm stag ing