Inflammatory pseudotumor of the liver occurring during the course of hepatitis C virus-related hepatocellular carcinoma treatment: A case report

Honmyo, Naruhiko; Kobayashi, Tsuyoshi; Tashiro, Hirotaka; Ishiyama, K.; Ide, Kentaro; Tahara, Hiroyuki; Ohira, Masaichi; Kuroda, Satoshi; Arihiro, Koji; Ohdan, Hideki

doi:10.1016/j.ijscr.2016.01.011

Cited by 3 publications

(4 citation statements)

References 18 publications

(30 reference statements)

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“…In rare cases, multiple hepatic IPTs are reported (4,9). In addition, there are some case reports of hepatic IPT extrahepatic growth patterns mimicking the present patient (19)(20)(21). The present case also had two lesions that directly invaded the colon, mimicking malignant tumors.…”

Section: Discussionsupporting

confidence: 51%

Hepatic Inflammatory Pseudotumor Protruding from the Liver Surface and Directly Penetrating the Colon

et al. 2020

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A 69-year-old man was diagnosed with a liver abscess and received antibiotics at a local hospital. He was referred to our hospital due to a persistent fever. He had hepatic masses protruding from the liver surface toward the transverse colon. We reached a diagnosis of inflammatory pseudotumor (IPT) by a percutaneous liver biopsy. Colonoscopy showed direct invasion of IPT to the colon. His condition improved by the intravenous administration of antibiotics. Hepatic IPT is often misdiagnosed as a malignant tumor. We should consider IPT when we encounter hepatic tumors, and a percutaneous liver biopsy is useful for avoiding unnecessary excessive treatments.

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Section: Discussionsupporting

confidence: 51%

Hepatic Inflammatory Pseudotumor Protruding from the Liver Surface and Directly Penetrating the Colon

et al. 2020

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“…Inflammatory pseudotumor of the liver was first described in 1953 and more than 200 patients have since been reported [51,52]. The etiology remains largely unknown but autoimmune reactions, infectious hepatitis, and bacterial infections have all been implicated in the etiology [53]. In certain patients, differential diagnosis from neoplastic liver lesions may necessitate percutaneous biopsy and histopathologic confirmation.…”

Section: Inflammatory Pseudotumor Of the Livermentioning

confidence: 99%

“…In certain patients, differential diagnosis from neoplastic liver lesions may necessitate percutaneous biopsy and histopathologic confirmation. Inflammatory pseudotumors have been reported to simulate HCC in patients with viral hepatitis [53].…”

Section: Inflammatory Pseudotumor Of the Livermentioning

confidence: 99%

Non-neoplastic hepatopancreatobiliary lesions simulating malignancy: can we differentiate?

et al. 2020

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Despite the success of cross-sectional imaging in evaluating hepatopancreatobiliary system malignancies, several nonmalignant disease processes may closely mimic malignancy. Differentiating these benign diseases from malignancy may be difficult, or even impossible, even in the hands of experienced imagers. In this manuscript, we present benign mimics involving the hepatopancreatobiliary system and try to increase awareness of these potential pitfalls.

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“…The etiology and pathogenesis of IPT remain uncertain, although infection, autoimmune phe-nomena, and systemic inflammatory response syndrome have been suggested as possible causes [5][6][7]. IPT of the liver is often difficult to differentiate from other malignant diseases, as the incidence is rare, the pathogenesis is diverse, and imaging findings are variable [8][9][10][11]. The treatment of choice is still surgical resection.…”

Section: Introductionmentioning

confidence: 99%

Recurrent Hepatic Inflammatory Pseudotumor in Asynchronism After Surgery of Inflammatory Pseudotumor Associated With Granulomatous Cholangitis

et al. 2019

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A 64-year-old man was referred to our hospital for investigation of thickening of the gallbladder wall and hepatic mass. Repeated endoscopic ultrasound-guided fine-needle aspiration examinations of these lesions excluded malignant diseases. Cholecystectomy and resection of lateral section confirmed xanthogranulomatous cholecystitis and inflammatory pseudotumor (IPT) associated with granulomatous cholangitis. Ten months after surgery, a new lesion appeared in the liver medial section, associated with fluorodeoxyglucose accumulation. After performing resection of the affected segment, recurrent IPT related with granulomatous cholangitis was diagnosed. No subsequent recurrence was seen during follow-up. This represents the first report of recurrent hepatic IPT originating from granulomatous cholangitis after resection of xanthogranulomatous cholecystitis and IPT caused by granulomatous cholangitis.

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Inflammatory pseudotumor of the liver occurring during the course of hepatitis C virus-related hepatocellular carcinoma treatment: A case report

Cited by 3 publications

References 18 publications

Hepatic Inflammatory Pseudotumor Protruding from the Liver Surface and Directly Penetrating the Colon

Hepatic Inflammatory Pseudotumor Protruding from the Liver Surface and Directly Penetrating the Colon

Non-neoplastic hepatopancreatobiliary lesions simulating malignancy: can we differentiate?

Recurrent Hepatic Inflammatory Pseudotumor in Asynchronism After Surgery of Inflammatory Pseudotumor Associated With Granulomatous Cholangitis

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