Filarial nematode found commonly in hearts of dogs and other mammals (e.g., cats, foxes, muskrats, and wolves)
Humans are accidental hosts
Become infected by microfilaria transmitted by mosquitoes
IMAGING
General Features
Radiographic Findings
CT Findings
Nuclear Medicine Findings
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
Atsumi E et al: Thirteen cases of pulmonary dirofilariasis in a single institution in Okinawa Island. Virchows Arch. 475(3):335-40, 2019
Jacob S et al: Human pulmonary dirofilariasis masquerading as a mass. Asian Cardiovasc Thorac Ann. 24(7):722-5, 2016
Diaz JH: Increasing risks of human dirofilariasis in travelers. J Travel Med. 22(2):116-23, 2015
Stone M et al: 18-FDG uptake in pulmonary dirofilariasis. J Radiol Case Rep. 9(4):28-33, 2015
Oshiro Y et al: Pulmonary dirofilariasis: computed tomography findings and correlation with pathologic features. J Comput Assist Tomogr. 28(6):796-800, 2004
Flieder DB et al: Pulmonary dirofilariasis: a clinicopathologic study of 41 lesions in 39 patients. Hum Pathol. 30(3):251-6, 1999
Milanez de Campos JR et al: Human pulmonary dirofilariasis: analysis of 24 cases from São Paulo, Brazil. Chest. 112(3):729-33, 1997
Related Anatomy
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Related Differential Diagnoses
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
Diagnostic Checklist
TERMINOLOGY
Synonyms
Dirofilaria immitis (dog "heartworm")
Definitions
Filarial nematode found commonly in hearts of dogs and other mammals (e.g., cats, foxes, muskrats, and wolves)
Humans are accidental hosts
Become infected by microfilaria transmitted by mosquitoes
IMAGING
General Features
Radiographic Findings
CT Findings
Nuclear Medicine Findings
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
Atsumi E et al: Thirteen cases of pulmonary dirofilariasis in a single institution in Okinawa Island. Virchows Arch. 475(3):335-40, 2019
Jacob S et al: Human pulmonary dirofilariasis masquerading as a mass. Asian Cardiovasc Thorac Ann. 24(7):722-5, 2016
Diaz JH: Increasing risks of human dirofilariasis in travelers. J Travel Med. 22(2):116-23, 2015
Stone M et al: 18-FDG uptake in pulmonary dirofilariasis. J Radiol Case Rep. 9(4):28-33, 2015
Oshiro Y et al: Pulmonary dirofilariasis: computed tomography findings and correlation with pathologic features. J Comput Assist Tomogr. 28(6):796-800, 2004
Flieder DB et al: Pulmonary dirofilariasis: a clinicopathologic study of 41 lesions in 39 patients. Hum Pathol. 30(3):251-6, 1999
Milanez de Campos JR et al: Human pulmonary dirofilariasis: analysis of 24 cases from São Paulo, Brazil. Chest. 112(3):729-33, 1997
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