Imagerie des pseudo-tumeurs inflammatoires hépatiques

Caramella, T.; Novellas, S.; Fournol, M.; Saint–Paul, Marie–Christine; Bruneton, Jean-Noël; Chevallier, P.

doi:10.1016/s0221-0363(07)89890-8

Cited by 16 publications

(7 citation statements)

References 19 publications

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“…In terms of radiologic analysis, the diagnosis of IPL should be evoked every time that we are faced with partially fibrous hepatic mass with late uptake of contrast material and in absence of signs for specific hepatic tumor [12]. In this stage the diagnosis may be put on by the presence of regression in size of the hepatic mass as it was the case for our patient and two other cases reported by Yamaguchi et al [5].…”

Section: Discussionmentioning

confidence: 95%

“…On noncontrast CT study, the lesion reveals low attenuation and a moderate enhancement following contrast administration in the periphery and in late stage. On MRI, IPL is frequently hypointense in T1-weighted images, hyperintense in T2-weighted images, and of heterogenic uptake after gadolinium injection [12]. However, these features are variable and the diagnosis is often evoked in the absence of signs for common benign and malignant liver lesions (Table 1).…”

Section: Discussionmentioning

confidence: 99%

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A New Case of Spontaneous Regression of Inflammatory Hepatic Pseudotumor

Jerraya

Jarboui

Daghmoura

et al. 2011

Case Reports in Medicine

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Introduction. Inflammatory pseudo-tumors (IPT) of the liver are rare and difficult to diagnose, because mimicking malignant tumors. Aim. We report a case of IPT of the liver wich diagnosis was made on clinical, radiological and evolutif features. Observation. A 15-year-old man had a 4-month history of abdominal pain in the right upper quadrant with fever and cought. Two successives ultrasonographies revealed a hypoechoic lesion occuping the segment VIII with 8 cm of diametre. Physical examination was normal. Laboratory investigation showed normal blood counts, liver function test and tumoral markers. Another ultrasonography was interpretated as normal. Tomodensitometry had showon a 3-cm lesion wich enhanced later after contrast injection. A second tomodensitometry done one mounth later described a 2-cm sub capsular heaptic lesion. Discussion. On routine activiy, pre operative diagnosis of IPT of the liver is difficut, and rarely made with certitude because mimicking a malignant tumor. In our cae report here, the analysis of previous history, of clinical, biological and radiological presentation, had permittes us to pose the diagnosis of PTI of the liver and this despite the absence of histological confirmation by percutaneous biopsy.

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Section: Discussionmentioning

confidence: 95%

Section: Discussionmentioning

confidence: 99%

A New Case of Spontaneous Regression of Inflammatory Hepatic Pseudotumor

Jerraya

Jarboui

Daghmoura

et al. 2011

Case Reports in Medicine

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“…The diagnosis of IPTL is difficult. Ultrasound and CT scans are not specific, revealing variable patterns of echogenicity of a liver mass mimicking hepatocellular cancer, metastasis, cholangiocarcinoma, or an abscess [14][15][16]. The CT scan features of an IPTL may mimic a malignant tumor with variable contrast enhancement.…”

Section: Discussionmentioning

confidence: 99%

IgG4-related inflammatory pseudotumor of the liver presenting as an incidental solitary liver mass

Mirghani

Zergham

Mawardi

et al. 2023

Int J Hepatobiliary Pancreat Dis

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Inflammatory pseudotumor is increasingly being recognized as a definitive pathological entity affecting many organ systems and often difficult to distinguish from malignancy. We report a case of a 48-year-old female who presented with right hypochondrial pain associated with nausea and vomiting and recent weight loss. An ultrasound scan demonstrated gallstones without evidence of cholecystitis and an incidental 1.5 cm mass in the left liver lobe. A computed tomography (CT) and a magnetic resonance imaging (MRI) scan described the mass suspicious of a malignant tumour. An ultrasound-guided biopsy confirmed a benign inflammatory mass with lymphoplasmacytic infiltration staining for IgG4 and no evidence of malignancy. The patient had an elevated serum IgG4 levels. The patient was kept under surveillance. She underwent a laparoscopic cholecystectomy and at 18 months following the initial presentation the patient remains asymptomatic with stable liver lesion on ultrasound scan.

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“…Une zone de nécrose centrale et des calcifications sont parfois associées. En IRM, la TMI est classiquement rapportée comme étant hypointense en T1, hyperintense en T2 et de rehaussement hétérogène après injection de gadolinium [5]. La taille des TMI varie de 0,2 à 20 cm selon les séries.…”

Section: Discussionunclassified