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腮腺恶性肿瘤的转移淋巴结一般较小,直径大多1.0-1.5cm,需增强后观察。腮腺淋巴瘤分为原发及继发,原发性淋巴瘤起源于腮腺实质,继发性淋巴瘤发生于腮腺内淋巴结,常为非何...
腮腺恶性肿瘤的转移淋巴结一般较小,直径大多1.0-1.5cm,需增强后观察。腮腺淋巴瘤分为原发及继发,原发性淋巴瘤起源于腮腺实质,继发性淋巴瘤发生于腮腺内淋巴结,常为非何杰金氏淋巴瘤累及腮腺,若病史不明确两者难以鉴别,本组1例继发性淋巴瘤(患者为非霍奇金淋巴瘤患者)表现较具特征性,一侧腮腺弥漫性肿大,伴同侧颌面部皮肤及筋膜广泛增厚,皮下脂肪内见条索及网格状密度增高影,颈部淋巴结广泛肿大。腮腺转移癌多见于邻近器官如头皮、外耳、眼眶、鼻咽等部位的原发癌转移,远隔转移少见。单纯从影像表现上与腮腺原发癌难以鉴别,本组转移癌1例,原发为鼻咽癌,两侧腮腺均有转移。
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Malignant tumors of the parotid gland metastasis lymph nodes are generally smaller in diameter, mostly 1.0-1.5cm, must increase observed after. Parotid lymphomas are divided into primary and secondary, primary lymphoma originated in the parotid gland, secondary lymphoma occurring in the parotid lymph nodes, often for non He Jie s lymphoma involving the parotid gland, if history is not clear it is difficult to identify, the group of 1 patients with secondary lymphoma ( patients with non Hodgkin lymphoma patients ) showed more characteristic, one side parotid gland diffuse enlargement, with concomitant ipsilateral facial skin and fascia extensive thickening, subcutaneous fat in the cable and the grid shape high density image, neck lymph node extensive enlargement. Parotid metastasis of cancer is more common in adjacent organs such as the scalp, external, orbital, nasopharynx and other parts of the primary cancer metastasis, distant metastasis is rare. From the purely imaging manifestations with parotid primary cancer to identify this group, 1 cases of metastatic carcinoma of nasopharyngeal carcinoma, primary, on both sides of the parotid gland are transferred.
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