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. 2022 May;57(5):1173-1179.
doi: 10.1002/ppul.25854. Epub 2022 Feb 14.

Pulmonary Echinococcus in children: A descriptive study in a LMIC

Lunga Mfingwana  1 , Pierre Goussard  1 , Lizelle van Wyk  1 , Julie Morrison  1 , Andre G Gie  1 , Rusha A A Mohammed  1 , Jacques T Janson  2 , Riegart Wagenaar  2 , Zane Ismail  2 , Pawel Schubert  3
Affiliations

Pulmonary Echinococcus in children: A descriptive study in a LMIC

Lunga Mfingwana et al. Pediatr Pulmonol. 2022 May.

Abstract

Background: Echinococcus granulosus is a major public health problem in lower middle-income countries (LMIC). Children are commonly diagnosed with cysts in the lungs and/or the liver.

Objectives: The purpose of this study was to describe a pediatric cohort diagnosed with pulmonary Cystic Echinococcus (CE) and treated with a combination of medical and surgical therapy.

Methods: This was a retrospective study performed between July 2017 and December 2020 at Tygerberg Hospital, South Africa. Clinical, laboratory, radiological, medical, and surgery-related outcomes were reviewed.

Results: The cohort consisted of 35 children, 17 (49%) were male, with a mean age of 9 ± 5.4 years. The most frequently encountered presenting symptom was cough (93%) followed by fever (70%). Isolated pulmonary CE accounted for the majority of cases (74%) with left lower lobe predominance. A significant proportion of the cohort exhibited chest computed tomography (CT) characteristics consistent with complicated pulmonary CE. Eighteen (58%) children had a positive indirect hemagglutination assay (IHA) test result. All children received medical treatment whilst 30 (86%) of children required surgery. Children with complicated pulmonary CE stayed a mean of 12.5 ± 6.6 days, while those with simple cysts stayed 6.8 ± 1.5 days.

Conclusion: Isolated pulmonary CE is common in children, whereas extrapulmonary cysts are uncommon. Pulmonary CE is diagnosed using chest X-ray and, CT imaging. IHA serology has limited diagnostic utility for pulmonary CE. Combined surgery and chemotherapy remains the gold standard for treating pulmonary CE.

Keywords: Albendazole; Echinococcus granulosus; hydatid cyst; pulmonary cystic echinococcus; thoracotomy.

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References

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