肾上腺非霍奇金淋巴瘤的CT表现  

Study of CT Appearances of Adrenal Non-Hodgkin Lymphoma

作　　者：周銮 孙华平[2] 施振威[2] 刘含秋[2] 

机构地区：[1]湖南省常德市第二人民医院放射科 [2]复旦大学附属华山医院放射科

出　　处：《中国医学计算机成像杂志》2012年第2期144-146,共3页Chinese Computed Medical Imaging

摘　　要：目的:分析肾上腺非霍奇金淋巴瘤的CT表现,以提高对该病变的认识。方法:回顾性分析6例经手术病理或临床穿刺活检证实的肾上腺非霍奇金淋巴瘤病例,男性5例,女性1例。年龄53～66岁(61.2±4.2岁)。6例均行CT检查,观察6个病例的CT表现并与临床和病理结果进行对照。结果:6例非霍奇金淋巴瘤共9个病灶,其中3例单侧,3例双侧。肿瘤最大径6～13cm(8.4±1.7cm)。病灶呈椭圆形7个,不规则形2个。与正常肌肉相比,CT平扫呈稍低密度8个,等密度1个。5例伴有同侧肾脏的直接侵犯,表现为肿瘤包绕肾上极、肾门或相邻的血管,合并后腹膜淋巴结肿大4例,脾脏浸润1例。4例行增强扫描,5个病灶轻度强化,肿瘤内部强化较均匀的3个,不均匀者2个。结论:肾上腺非霍奇金淋巴瘤的CT表现多为肾上腺区较均匀密实的密度较肌肉稍低软组织肿块,增强扫描常轻度强化。肾上腺淋巴瘤易侵犯同侧肾脏及邻近血管。如果合并后腹膜淋巴结肿大以及脾脏浸润者,对肾上腺淋巴瘤诊断具有重要价值。Purpose： To study the CT appearances of adrenal lymphoma.Methods：Six patients with adrenal lymphoma proven pathologically or by needle biopsy were retrospectively analyzed.All cases underwent CT.CT findings were analyzed and correlated with clinical and pathological findings.Results：Six cases were confirmed with non-Hodgkin＇s B cell lymphoma.There were 9 lesions in 6 patients,unilateral adrenal lymphomas were shown in 3 cases,bilateral in 3 cases.The maximum diameter of the lesions ranged from 6 to 13 cm（mean 8.4±1.7cm）.Of the 9 lesions,7 were oval and 2 were irregular.Compared to the normal muscle,8 lesions manifested as slight low-density and 1 lesion appeared as iso-density on plain CT.Four patients underwent enhanced CT.Five lesions were enhanced slightly,and 3 of them were heterogneously enhanced,2 were homogeneously enhanced.Direct invasive of ipsilateral kidney was shown in 5 patients,the upper pole of kidney,renal hilum and adjacent blood vessels were encased by the tumors.Four patients were shown with merged lymphadenectasis of posterior peritoneum,1 patient with spleen infiltrating.Conclusion：Adrenal lymphoma deprives from B-cell,most of the adrenal lymphomas are shown as slightly hypodense lesions with slight contrast enhancement,and are prone to invade ipsilateral kidney and adjacent vessels.It is suggested that when these CT appearances are observed,adrenal lymphoma should be considered.

关 键 词：肾上腺 淋巴瘤 体层摄影术 X线计算机 动态增强扫描 

分 类 号：R736.6[医药卫生—肿瘤]