The role of diffusion-weighted MRI in the classification of liver hydatid cysts and differentiation of simple cysts and abscesses from hydatid cysts

Diagnostic and Interventional Radiology : Official Journal of the Turkish Society of Radiology
Esra OruçGürsel Savcı

Abstract

The purpose of this study is to identify the role of diffusion-weighted magnetic resonance imaging (DW-MRI) in the classification of liver hydatid cysts (HCs) and their differentiation from simple cysts and liver abscesses. Twenty-two patients that were sent to our department with preliminary diagnoses of HCs or abscess were included in the study. Thirty lesions were evaluated. MRI included T1-weighted fast gradient echo, T2-weighted half-Fourier acquisition single-shot turbo spin echo, and DW single-shot echo planar pulse sequencing (b, 0, 50, and 1000 s/mm²). The apparent diffusion coefficient (ADC) values (mm²/s) of the HCs, abscesses, and simple cysts were calculated. No statistically significant difference was found between the ADC values of type 1 and 3 (P > 0.05) HCs and of simple cysts and type 1 HCs (P > 0.05). The ADC values of abscesses were significantly lower than those of type 1 and type 3 HCs, and simple cysts. No statistically significant difference was found between the ADC values of abscesses and type 4 HCs (P > 0.05). Type 4 lesions exhibited significantly lower ADC values in comparison to type 1 and 3 HCs. DW-MRI helps differentiate type 4 lesions from other cysts and can distinguish abscesses from hydatid c...Continue Reading

Citations

Apr 18, 2012·World Journal of Gastroenterology : WJG·Gianluca MarroneBruno Gridelli
Feb 1, 2014·World Journal of Emergency Surgery : WJES·Ali I YahyaAbdsalem S Aldarat

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