RESUMO
The sonographic features of 40 pathologically proven endometriomas in 32 patients were reviewed to evaluate their sonographic spectrum. Acoustic enhancement was present in 88% and indeterminate in 10% due to technical factors. With respect to internal echo texture, the majority of endometriomas were predominantly anechoic (80%): 7 were totally anechoic; 4 contained septations; 12 contained scattered internal echoes, with or without septations; and 9 contained dependent echoes, with or without septations. Seven endometriomas contained diffuse, low-level internal echoes and were considered hypoechoic, but still fluid-containing masses. Only 1 was echogenic. The overall appearance frequently simulated that of hemorrhagic ovarian cyst, but in some cases endometriomas resembled tubo-ovarian abscess, cystadenoma/cystadenocarcinoma, or ectopic pregnancy.
