Case report: Clonorchis sinensis infection associated with eosinophilic pneumonia

Archana K. Reddy, Melony Chakrabarty, Ying Liu, Stuart H. Cohen, Archana H. Maniar

Research output: Contribution to journalArticlepeer-review


Clonorchis sinensis, a trematode prevalent in East Asia, causes hepatobiliary infection. Exposure typically occurs through ingestion of raw or undercooked fish containing the encysted larval form of the parasite. Extra-hepatobiliary disease has not commonly been described. In this case report, we describe an unusual case of C. sinensis infection associated with eosinophilic pneumonia. A middle-aged man from China presented with subacute cough and was found to have a bilateral diffuse eosinophilic pneumonia with associated peripheral eosinophilia. Stool microscopy revealed C. sinensis eggs, and the patient improved after treatment with prednisone and praziquantel. Pulmonary clonorchiasis should be considered in patients with eosinophilic pneumonia from areas highly endemic for this pathogen.

Original languageEnglish (US)
Pages (from-to)2065-2068
Number of pages4
JournalAmerican Journal of Tropical Medicine and Hygiene
Issue number6
StatePublished - Jun 2021

ASJC Scopus subject areas

  • Parasitology
  • Virology
  • Infectious Diseases


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