Goto Noriko, Oishi-Tanaka Yumiko, Tsunoda Hajime, Yoshikawa Hiroyuki, Minami Manabu
Department of Radiology, University of Tsukuba, Ibaraki.
Magn Reson Med Sci. 2007;6(1):7-13. doi: 10.2463/mrms.6.7.
To clarify the magnetic resonance (MR) characteristics of primary uterine malignant lymphoma, we identified 4 patients with primary uterine lymphoma in the MR database of our institute from 1994 to 2005 and evaluated their clinical and MR findings for tumor extension, size, shape, and signal intensity, multinodular growth pattern, preservation of normal endometrium, and lymphadenopathy. In all 4 patients, tumors extended to the uterus and vagina or parametrium, and uterine tumors showed relatively homogeneous intensity on both T(1)- and T(2)-weighted MR imaging. Two patients showed multinodular tumor growth; three revealed pelvic lymphadenopathy; and none had intact endometrium or normal uterine zonal structure. Thus, large tumors with relatively homogeneous signal intensity seemed to be a specific MR finding of uterine lymphoma, and findings of multinodular growth were considered a possible characteristic suggesting the uterine involvement of malignant lymphoma.
为明确原发性子宫恶性淋巴瘤的磁共振（MR）特征，我们在我院1994年至2005年的MR数据库中识别出4例原发性子宫淋巴瘤患者，并评估了其临床及MR表现，包括肿瘤侵犯范围、大小、形态、信号强度、多结节生长方式、正常子宫内膜的保留情况以及淋巴结病变。4例患者的肿瘤均侵犯子宫及阴道或子宫旁组织，子宫肿瘤在T1加权和T2加权MR成像上均表现为相对均匀的信号强度。2例患者表现为肿瘤多结节生长；3例有盆腔淋巴结病变；无一例有完整的子宫内膜或正常的子宫分层结构。因此，信号强度相对均匀的大肿瘤似乎是子宫淋巴瘤的一个特异性MR表现，多结节生长表现被认为是提示恶性淋巴瘤累及子宫的一个可能特征。
