黄色肉芽肿性胆囊炎影像1例

2019-08-21 不详 影像园

男,59岁,明确诊断为病毒性肝炎,住院予保肝、退黄及抗病毒治疗,B超检查提示胆囊病变

【所属科室】

消化内科

【基本资料】

男,59岁

【现病史】

明确诊断为病毒性肝炎,住院予保肝、退黄及抗病毒治疗,B超检查提示胆囊病变

【影像图片】

























【讨论】

评论:胆囊壁不规则弥漫性增厚,以底部为著,呈团块状,密度欠均匀,与肝脏分界欠清,增强扫描胆囊壁显著强化,黏膜线大部分连续,胆囊底部病变强化欠均匀,可见点、片状低密度区。考虑:1.黄色肉芽肿性胆囊炎;2.胆囊癌。
 
【结果】

行胆囊并毗邻肝组织楔形切除术、胆道探查取石T管引流术。术后病检示:黄色肉芽肿性胆囊炎,伴胆小管增生活跃。
 
【病例小结】

黄色肉芽肿性胆囊炎是一种少见的特殊类型的胆囊炎性疾病,是以慢性胆囊炎、重度增生纤维化及泡沫样组织细胞为特征的炎性病变。其病因及发病机理尚不清楚。临床无特异性,常见于女性。病人常有慢性胆囊炎及胆囊结石病史。

CT表现:

胆囊增大,壁增厚以弥漫性增厚为主,胆囊底部更为突出,增厚的胆囊壁内可见低密度区。多结节病例可表现为串珠状镶嵌。弥漫性增厚病例增强扫描典型者表现为夹心饼干征,即增厚的胆囊壁内外环形强化。胆囊黏膜线一般完整或部分完整。绝大多数病例伴胆囊结石或胆总管结石。通常无门腔间隙、肝门及腹腔动脉周围淋巴结肿大,无肝脏转移等恶性肿瘤的影像学表现。但可有胆囊床炎性浸润。增厚胆囊壁内低密度结节是特异性CT表现。

与胆囊癌鉴别:

胆囊癌常见表现为胆囊壁不规则结节状的增厚并明显强化,伴有胆管扩张,甚至出现胆管梗阻,或直接侵犯肝脏。

与慢性胆囊炎鉴别:

一般慢性胆囊炎往往与胆囊结石同时存在,CT检查表现为胆囊壁增厚,呈弥漫性或局限性,可有钙化,增强扫描示增厚的胆囊壁轻度强化,但胆囊体积常缩小。

与胆囊腺肌症鉴别:

胆囊腺肌症是一种原因不明的胆囊增生性疾病,可分为弥漫型、节段型和局限型,好发于中年女性,一般病程缓慢,CT检查表现为胆囊壁增厚,增强扫描示增厚的胆囊壁明显强化,胆囊壁间可见多个小囊腔状改变。

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    2019-08-24 一个字-牛

    学习了谢谢分享

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