AJR. American journal of roentgenology · 2006
Hepatic visceral larva migrans of Toxocara canis: CT and sonographic findings.
СтатьяНазвание и аннотация: Перевод в очереди
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Chang Samuel, Lim Jae Hoon, Choi Dongil, Park Cheol Keun, Kwon Nam-Hee, Cho Seung-Yull, Choi Dong-Chull
Аннотация
OBJECTIVE: The aim of this study was to describe the CT and sonographic findings of hepatic visceral larva migrans of Toxocara canis.
MATERIALS AND METHODS: Fifty-four patients (44 men, 10 women; age range, 30-80 years; mean age, 53 years) with serologically confirmed visceral larva migrans of Toxocara canis underwent evaluation of the liver with CT (n = 25), sonography (n = 48), or both. Two radiologists used consensus for retrospective evaluation of CT and sonographic findings. Correlation between the presence and severity of hepatic abnormalities on images and the degree of peripheral eosinophilia was assessed.
RESULTS: Seventeen (68%) of 25 patients who underwent CT had single or multiple ill-defined, oval or elongated, small, low-attenuating lesions in the liver. Eighteen (38%) of 48 patients who underwent sonography had single or multiple small, poorly defined, oval or elongated, hypoechoic scattered focal lesions in the liver. In the 19 patients who underwent both CT and sonography, the two techniques had no significant difference in rate of detection of hepatic lesions (p = 0.375, McNemar test). The lesion numbers on CT and sonography showed excellent linear correlation (r = 0.844, p = 0.001) by Pearson's correlation test. An independent samples t test showed that eosinophil count and percentage in the peripheral blood were significantly higher in patients with hepatic lesions on CT and sonography than in patients without lesions.
CONCLUSION: CT and sonographic findings of hepatic visceral larva migrans of T. canis are multiple, ill-defined, oval or elongated, small, nodular lesions scattered in the liver parenchyma. The presence of hepatic lesions on images was associated with higher peripheral eosinophil count and percentage.
MATERIALS AND METHODS: Fifty-four patients (44 men, 10 women; age range, 30-80 years; mean age, 53 years) with serologically confirmed visceral larva migrans of Toxocara canis underwent evaluation of the liver with CT (n = 25), sonography (n = 48), or both. Two radiologists used consensus for retrospective evaluation of CT and sonographic findings. Correlation between the presence and severity of hepatic abnormalities on images and the degree of peripheral eosinophilia was assessed.
RESULTS: Seventeen (68%) of 25 patients who underwent CT had single or multiple ill-defined, oval or elongated, small, low-attenuating lesions in the liver. Eighteen (38%) of 48 patients who underwent sonography had single or multiple small, poorly defined, oval or elongated, hypoechoic scattered focal lesions in the liver. In the 19 patients who underwent both CT and sonography, the two techniques had no significant difference in rate of detection of hepatic lesions (p = 0.375, McNemar test). The lesion numbers on CT and sonography showed excellent linear correlation (r = 0.844, p = 0.001) by Pearson's correlation test. An independent samples t test showed that eosinophil count and percentage in the peripheral blood were significantly higher in patients with hepatic lesions on CT and sonography than in patients without lesions.
CONCLUSION: CT and sonographic findings of hepatic visceral larva migrans of T. canis are multiple, ill-defined, oval or elongated, small, nodular lesions scattered in the liver parenchyma. The presence of hepatic lesions on images was associated with higher peripheral eosinophil count and percentage.