摘要
石灰质胆汁是指胆囊内胆汁呈现白色或灰色石灰样糊状或固体状,亦称钙乳胆汁,其成分主要包含碳酸钙盐或草酸钙盐,临床上少有这种胆汁表现。由石灰质胆汁导致的胆囊炎及胆管炎,可统称为石灰质胆汁综合征(LBS),该类患者多数并无特异性临床表现。术前影像学诊断较为困难,多数在术后剖开胆囊后确诊,目前国内少有相关病例报道。本文报告1例LBS患者的诊治经过,并结合相关文献报道,对本病特点,形成机制等进行分析、总结,以期对临床工作提供经验和借鉴。
患者为56岁女性,因上腹痛1个月入院。腹部CT见胆囊腔内及胆囊管内多发高密度影,胆囊壁局部增厚,胆总管直径正常,肝内外胆管无扩张。临床诊断胆囊结石伴胆囊炎,常规术前准备后行腹腔镜下胆囊切除术,术毕剖开胆囊见囊腔内充满白色糊状物质,并于胆囊颈部及胆囊管处见白色结石。术后病理学诊断:慢性胆囊炎伴腺肌瘤样增生。
石灰质胆汁是指胆囊内钙盐累积形成石灰样白色沉积物,又名钙乳胆汁,沉积物成分主要包含碳酸钙或草酸
患者 女,56岁。因“上腹痛1个月”于2023年4月27日入院,患者既往体健,否认腹部外伤或手术史,无恶性肿瘤病史及家族史。患者入院前1个月开始反复出现上腹部阵发性钝痛,疼痛主要发生在饮食后并伴有腹胀,口服止痛药物可缓解,无发热,无恶心、呕吐,无皮肤巩膜黄染等其他异常表现。查体:全腹平软,右上腹深压痛(+),无反跳痛,无腹肌紧张,Murphy征(+),肝区无明显叩击痛。腹部CT(

图1 术前腹部CT

图2 术后病理 A:大体标本;B:镜下组织切片(HE ×40)
石灰质胆汁是指胆囊内胆汁呈现白色或灰色石灰样糊状或固体状物质,亦称钙乳胆汁,这种物质的稠度从液体到膏状到固体形态不
对于石灰质胆汁的形成有许多理论解释,其形成机理有以下几种可能:⑴ 胆囊黏膜对离子浓度的调节发生异常:胆汁中钙离子增加,容易导致钙盐的沉积和碳酸钙结石的形
大多数患者一般没有临床症状,但当石灰质胆汁较多引起梗阻时会出现与胆道结石相似的临床表现,如胆囊炎、胆管炎、胰腺炎或梗阻性黄疸
总之,石灰质胆汁是一种罕见的胆汁表现,LBS术前主要依靠腹部X线平片或CT扫描协助诊断,病因尚不明确,但胆囊颈部或胆囊管结石梗阻可能是其发病的重要诱因,这种情况需要行腹腔镜胆囊切除术来防止胆囊坏疽、穿孔,甚至癌变等相关并发症的出现。
作者贡献声明
李钊负责整理病例资料和撰写论文;冯伟负责提供论文思路及修订论文;修珊珊、惠国华负责整理文献和协助修稿;梁雅静负责病理诊断及图片提供,王新伟负责审阅和批改论文。
利益冲突
所有作者均声明不存在利益冲突。
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