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[Clinical, pathologic and radiologic analysis of paragonimiasis in children].

Objective: To analyze the clinical, pathological and radiological characteristics of paragonimiasis in children for accurate diagnosis and therapy. Methods: A total of 31 patients with paragonimiasis treated from 2002 to 2016 were selected, including 17 cases from migrant areas and 14 cases from Wenzhou area. Results: In migrant children group, the serum IgE was significantly higher than that in Wenzhou area group [(2 379±944) IU/mL∶(1 552±1 121) IU/mL, t=-2.23, P<0.05], and the duration of therapy was remarkable longer [(13.8±6.5) days∶(9.9±3.4) days, t=-2.15, P<0.05]. Among all cases, 10 showed polyserositis including pleural effusion, ascites and pericardial effusion at different degrees on chest CT scans. Five cases with cerebral paragonimiasis were confirmed by MR imaging. Most of the lesions were located in the parietal lobe with slight low signal on T1WI but high signal on T2WI surrounded by disproportionate edema. Annular enhancement was prominent by Gd-DTPA. Paragonimiasis serum antibody was positive in all cases by ELISA. Pathologic features included formation of irregular lacunae or sinus tracts, presence of paragonimus bodies, and eosinophilic infiltration in the adjacent tissues. Conclusions: Clinical manifestations of paragonimiasis are complex and non-specific in children.In migrant children group, clinical manifestations are diverse, more serious with more complications and difficulties in treatment, while patients in Wenzhou area group have favorable prognosis and less complicated treatment. The early diagnosis and timely treatment should be determined by patient's detailed history, eosinophilic count, radiologic findings and immunological test to avoid serious complications.