Positron emission tomography with (18)F-fluorodeoxyglucose of uterine sarcoma: a comparison with magnetic resonance imaging and power Doppler imaging.
OBJECTIVE
The effectiveness of positron emission tomography with (18)F-fluorodeoxyglucose (FDG-PET) for diagnosis of uterine sarcoma was evaluated in comparison to the effectiveness of magnetic resonance (MR) imaging and power Doppler imaging.


METHODS
The cases of five Osaka City University Hospital patients diagnosed with uterine sarcoma based on histopathological examination, in whom FDG-PET, MR imaging, and power Doppler imaging studies had been performed preoperatively, were reviewed. A comparative study of the usefulness of these three imaging modalities for diagnosis of sarcoma was conducted. Tumors comprised three leiomyosarcomas, one endometrial stromal sarcoma, and one carcinosarcoma.


RESULTS
FDG-PET examinations were 100% positive for the five sarcomas; MR imagings were 80% positive (four of five cases), and US was 40% positive (two of five cases). The mean standardized uptake value of the sarcomas was 4.5 +/- 1.3.


CONCLUSIONS
The sarcoma lesions were clearly imaged by FDG-PET. FDG-PET may be a most useful diagnostic method for uterine sarcoma.
Department of Obstetrics and Gynecology, Wakayama Medical College, 811-1 Kimiidera, Wakayama, 640-0012, Japan.
N
N
Umesaki
T
T
Tanaka
M
M
Miyama
N
N
Kawamura
S
S
Ogita
J
J
Kawabe
T
T
Okamura
K
K
Koyama
H
H
Ochi
D000368:Aged; D002296:Carcinosarcoma / Q000000981:diagnostic imaging*; D005260:Female; D019788:Fluorodeoxyglucose F18; D006801:Humans; D007890:Leiomyosarcoma / Q000000981:diagnostic imaging*; D008279:Magnetic Resonance Imaging; D008875:Middle Aged; D011859:Radiography; D019275:Radiopharmaceuticals; D018203:Sarcoma, Endometrial Stromal / Q000000981:diagnostic imaging*; D014055:Tomography, Emission-Computed; D018608:Ultrasonography, Doppler; D014594:Uterine Neoplasms / Q000000981:diagnostic imaging*
D019275:Radiopharmaceuticals; D019788:Fluorodeoxyglucose F18