目的:分析粉刺性乳痈磁共振成像(MRI)的影像特征,为临床手术治疗提供依据.方法:选取在医院诊治的27例粉刺性乳痈患者,均于术前行MRI增强扫描,根据患者临床表现的局限型、单纯型、复杂型的临床分型,观察分析与其相对应的MRI影像学表现.结果:27例患者临床表现为局限型、单纯型和复杂型三种临床分型.MRI影像下病灶于T1WI呈低信号或等信号;T2WI抑脂信号下呈高信号或等高信号,边界欠清晰,增强后病灶全部明确显示.其中局限型8例,局部皮肤无明显水肿增厚表现,增强扫描后病变明显强化,脓肿显示清晰;单纯型11例,患侧乳房较健侧明显增大,可见乳头内缩,增强后病变部位明显强化,脓肿清晰显影,脓腔范围较大,可见胸筋膜轻度强化;复杂型8例,增强扫描后病变明显强化,范围累及整个乳房.结论:MRI可清晰显示病变部位、侵犯范围和病情进展程度,可为手术治疗提供可靠依据.%Objective:To sum up the MRI imaging features of plasma cell mastitis, and provide references for surgical therapy in clinical stage.Methods: 27 patients with plasma cell Mastitis were enrolled in this study, and all of them were scanned by enhanced scanning of magnetic resonance imaging (MRI) before the operation. The MRI manifestations which were related with clinical type of plasma cell mastitis (limited type, simplex type and complex type) were observed and analyzed.Results: The clinical features of the 27 patients were divided into three phenotypes: the limited, simplex and complex-type. Under MRI imaging, the signals of the lesions were low or equal low on T1WI, while they were high or equal high on T2WI restraining lipid and the lesion don't have clear boundary at this time, and all of images of lesions were explicitly showed after enhanced MRI scanning. In these cases, for limited type (8cases): there were no obvious edema thickening performance on the local skin, while the image of lesions were significantly strengthened and the images of abscesses were clearly showed after enhanced MRI scanning. For simplex type (11cases): the sick-side breast was significantly larger than the healthy-side breast, and there were inside shrink of the nipple in the sick-side breast, and the imaging of lesions obviously were strengthened, the abscesses were clearly imaged, the vomica range became larger, and even the mild strengthened pectoral fascia could be imaged after enhanced MRI scanning. Complex type (8cases): the signals of the lesions were significantly strengthened, and the range of lesions that almost involved the whole breast could be observed after enhanced MRI scanning.Conclusion: The method of MRI can clearly show the lesion site, scope of invasion and disease progression degree, and it can provide reliable reference for surgery.
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