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PHILIPS每日一例:慢性胆囊炎并胆囊结石CT病例图片影像诊断

2022-08-19 放射沙龙 放射沙龙

慢性胆囊炎并胆囊结石CT病例图片影像诊断表现。

【病史临床】女性,43岁。右小腿外伤入院。入院查腹部B超示:胆囊内见4.1x2.9cm低淡光团,边界不清,未排实性占位。【影像图片】




CT表现:胆囊内混杂高密度影,内有不规则形钙化,胆囊壁略增厚。

结果:手术:胆囊4x8cm大小,胆囊内未见占位性病变,壁不厚,有泥沙样结石。行“胆囊切除术”。病理:为慢性胆囊炎。

点评:胆结石是一种常见病,多见于中年女性,病因多与家族史、油腻饮食、血脂增高、饮酒等因素有关,分为胆色素型、胆固醇型和混合型。临床上表现为胆绞痛和阻塞性黄疸,伴有胆囊炎者可有胆囊炎的症状体征。

声像图示胆囊腔内一个或多个强回声光团、光斑、或弧形强光带,后方伴有清晰的声影,可随体位改变而移动;典型声像图表现为“囊壁、结石、声影”三合征;充满型结石表现为胆囊无回声消失,前半部呈弧形强光带,后方伴声影;泥沙样结石则为囊内细小的强回声光点群,后伴声影;胆囊壁间结石则为壁内强回声光斑,后方伴彗星尾征或声影,体位改变时不移动。

CT表现因结石化学成分不同,可为高密度、等密度、低密度、环状结石。等、低密度结石CT不易发现,胆影葡胺增强检查见胆囊内可移动的充盈缺损可明确。

典型的超声及CT表现,胆结石诊断不难,需与胆囊息肉、胆汁浓缩及胆囊癌相鉴别。胆囊息肉呈高回声结节,后不伴声影,不随体位改变而移动;胆汁浓缩示胆囊内回声增强、密度增高,但后方不伴声影;胆囊癌呈实性结节,突向囊腔,增强后强化及向周边侵犯可鉴别。

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    2021-11-10 chengjn
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2018年1月,日本肝胆胰腺外科学会(JSHBPS)更新发布了急性胆管炎和胆囊炎的抗生素治疗指南,抗生素治疗是急性胆管炎和急性胆囊炎患者的主要治疗措施,本文主要针对社区获得性和医院获得性感染合理应用抗生素治疗提供指导建议。

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