A study of 23 cases of infected liver cysts treated at our hospital

Miyazato Masaru, Tomiyama Mami, Natomi Hisayoshi, Shiroma Yuuko, Yonamine Keisuke, Nishizawa Maki, Mabuchi Hitoshi, Kinjou Yuzuru, Nakachi Noriya, Shimajiri Hiroto, Tomiyama Ryousaku

doi:10.2957/kanzo.60.117

<p>We examined the imaging findings, cyst fluid test results, and therapeutic progress of 23 patients with infected liver cysts between 2009 and 2018. An abdominal ultrasound examination revealed a sludge echo within the cyst in 22 patients, and abdominal contrast-enhanced computed tomography scan revealed contrast enhancement of the cyst wall in 5. Abdominal magnetic resonance imaging was performed in 14 patients. All patients exhibited low-signal intensity within the cyst on the T2-weighted images. Additional diffusion-weighted imaging was performed in 12 patients, in whom low diffusion-weighted signals were observed within the cyst as well as on the cyst border. The cyst fluid culture and blood culture results were positive in 12 and 10 patients, respectively. The most common pathogenic bacteria identified in all patients was Klebsiella pneumoniae. All patients received antimicrobial therapy, fine-needle aspiration, and continuous drainage, whereas 11 received additional sclerotherapy with minocycline hydrochloride. One patient required surgery because of poor drainage. However, all patients were ultimately discharged in remission.</p>

A study of 23 cases of infected liver cysts treated at our hospital

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