【justin1999031】評論

MRISignal characteristics vary according to the age of any complicating hemorrhage 6:T1typically, lesions appear hyperintense while acute hemorrhage occasionally appears hypointenseendometriomas with high T1 signal characteristically do not show loss of signal on T1 fat-suppressed sequences, which is important for differentiating it from a mature cystic teratoma of the ovaryT2typically hypointense owing to the presence of deoxyhemoglobin and methemoglobin (shading sign), which is very suggestive of an endometrioma 3T2 dark spot sign is specific for chronic hemorrhage and is helpful in diagnosing endometriomas 9old hemorrhage occasionally appears hyperintense