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目的：探讨恶性淋巴瘤腹部结外器官受侵的超声表现特点。方法：回顾性分析了１４例经手术或病理活检证实的腹部结外器官受侵的恶性淋巴瘤病例的超声图像特点。结果：表浅、纵隔、腹盆腔、腹膜后淋巴结受侵者分别占４２．８６％、２８．５７％、６４．２９％、５０％，ＵＳ所见为结节状实性均质性低回声或极低回声。肝脏受侵７例，２例呈类无回声局限性团块型，５例呈弥漫性低回声结节型或粟粒型。脾脏受侵１１例，呈弥漫肿大型，多发结节型、局限肿块型。肾脏受侵１例，小肠受侵１例，ＣＤＦＩ检测见多数病灶内血流丰富。结论：超声能够对恶性淋巴瘤腹部结外器官有无受侵作出判断。
Objective: To investigate the ultrasonographic characteristics of extranodal involvement of malignant lymphomas. METHODS: Ultrasonographic features of 14 cases of malignant lymphomas invaded by extranodal organs confirmed by surgery or biopsy were retrospectively analyzed. Results: 42.86%, 28.57%, 64.29%, 50% of superficial, mediastinal, abdominal pelvic, and retroperitoneal lymph nodes were invaded respectively. What US sees as nodular homogenous low echo Or very low echo. 7 cases were affected by liver, 2 cases showed no echo-like confined mass, 5 cases showed diffuse hypoechoic nodular or miliary. The spleen was invaded in 11 cases and presented with diffuse large, diffuse nodules and localized masses. There was 1 case of kidney involvement and 1 case of small intestine invasion. The majority of lesions had abundant blood flow as measured by CDFI. Conclusion: Ultrasound can be used to judge whether there is extravasation of extranodal organs in malignant lymphomas.