Bianchi S, Abdelwahab I F, Kenan S, Zwass A, Ricci G, Palomba G
Department of Radiology, O.E. Ospedali Galliera Genoa, Italy.
Skeletal Radiol. 1995 May;24(4):253-6. doi: 10.1007/BF00198408.
To evaluate the role of magnetic resonance imaging (MRI) and computed tomography (CT) in the diagnosis of intramuscular ganglia (IMG) that arise from the superior tibiofibular joint (STFJ).
Our series consisted of three men and three women. Four patients were studied by MRI, one by CT only, and two by both modalities. Contrast was used in one of the two patients studied by CT. MRI was obtained in at least two orthogonal planes to demonstrate the relation of the ganglia to STFJ.
The MR and CT appearance of these ganglia was basically that of a well-defined soft tissue mass with low attenuation on CT images consistent with the presence of fluid. On MR studies, they had an isointense signal on T1-weighted images and a homogenous high-intensity signal on T2-weighted images. MRI demonstrated the attachment of these ganglia to the STFJ.
CT and MRI were effective, noninvasive modalities in the evaluation of IMG. The imaging features on both modalities were consistent with the presence of fluid- containing lesions that had close proximity and were attached to the STFJ. The combination of location and the fluid consistency of these lesions facilitated the diagnosis.
评估磁共振成像（MRI）和计算机断层扫描（CT）在诊断源于胫腓上关节（STFJ）的肌内腱鞘囊肿（IMG）中的作用。
我们的研究对象包括三名男性和三名女性。四名患者接受了MRI检查，一名患者仅接受了CT检查，两名患者接受了两种检查。在接受CT检查的两名患者中，有一名使用了对比剂。获取了至少两个正交平面的MRI图像以显示腱鞘囊肿与STFJ的关系。
这些腱鞘囊肿的MR和CT表现基本为边界清晰的软组织肿块，CT图像上呈低密度，与存在液体相符。在MR研究中，它们在T1加权图像上呈等信号，在T2加权图像上呈均匀高信号。MRI显示了这些腱鞘囊肿与STFJ的附着情况。
CT和MRI是评估IMG的有效、无创检查方法。两种检查方法的影像学特征均与存在靠近并附着于STFJ的含液性病变相符。这些病变的位置和液体特征有助于诊断。
