Sara Djelassi, Frederik Vandenbroucke, Martijn Schoneveld
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引用次数: 1
摘要
一名82岁男性因右腹壁慢性皮肤瘘管被转移到腹部CT扫描。先前的CT和超声成像描述右腹壁复发性积液,需要CT引导脓肿引流。腹部CT扫描显示右侧腹内斜肌层和腹横肌层之间有脓肿,有明显的脂肪搁浅和肌间脂肪面缺失(图1)。在脓肿内部,我们发现自发性高密度结节状病变(Hounsfield Units 130),注射造影剂后未见增强(图1箭头)。回顾之前的CT扫描,我们发现这个高密度病变的存在,随着时间的推移,它倾向于沿着腹壁移动一小段距离(图2 a - d箭头)。我们可以追溯到之前的多次扫描,随着时间的推移,不同的局部组织反应。8年前的首次CT显示穿孔结石性胆囊炎,包含多个胆囊石酶,其密度与我们之前提到的高密度病变相同(图3箭头)。因此,提出了胆道起源的怀疑。教学点:腹腔镜手术时胆囊结石外溢可能导致晚期脓肿。
A Curious Case of Recurrent Abdominal Wall Infections.
An 82-year-old male was transferred for an abdominal CT scan for chronic cutaneous fistulation at the level of the right abdominal wall. Previous CT and ultrasound imaging described recurrent collections in the right abdominal wall, requiring CT guided abscess drainage. The abdominal CT scan revealed an abscess in between the internal oblique and transversus abdominis muscle layers of the right flank, with significant fat stranding and loss of the intermuscular fat planes ( Figure 1 ). Inside this abscess, we notice a spontaneous hyperdense nodular lesion (Hounsfield Units 130), which doesn't enhance after contrast injection ( Figure 1 arrow). Looking back at the previous CT scans we discern the presence of this hyperdense lesion, which tends to migrate over time over a small distance along the abdominal wall ( Figure 2 A-D arrow). We can trace this back on the numerous previous scans, with different local tissue reactions over time. The first performed CT 8 years prior reveals a perforated calculous cholecystitis, containing multiple cholecystolithiases with the same density as our previously mentioned hyperdense lesion ( Figure 3 arrow). Thus, raising the suspicion of a biliary origin of this corpus alienum.
Teaching point: Spilled gallstones during laparoscopy may lead to late abscess.
期刊介绍:
The purpose of the Journal of the Belgian Society of Radiology is the publication of articles dealing with diagnostic and interventional radiology, related imaging techniques, allied sciences, and continuing education.