Table 3. .
Mean values of the Cho/Cr values in 224 ovarian masses
| Mean choline/creatine | |||
| Mean | |||
| Benign | Haemorrhagic corpus lutiem cyst | 1.10 | |
| Tubo-ovarian abscess | 1.30 | ||
| Endometriotic cyst | 1.20 | ||
| Serous cystadenoma | 0.75 | ||
| Mucinous cystadenoma | 0.75 | ||
| Fibroma | 3.80 | ||
| Fibro-thecoma | 1.07 | ||
| Mature cystic teratoma | 1.00 | ||
| Malignant | Invasive | Serous cystadenocarcinoma | 3.27 |
| Mucinous cystadenocarcinoma | 3.20 | ||
| Clear cell adenocarcinoma | 2.90 | ||
| Granulosa cell tumour | 2.20 | ||
| Undifferentiated carcinoma | 2.95 | ||
| Immature teratoma | 1.90 | ||
| Dysgerminoma | 4.50 | ||
| Borderline | Serous cystic tumour | 1.30 | |
| Mucinous cystic tumour | 2.30 | ||
| Cystadenofibroma | 1.17 | ||