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Chest
Diagnosis
Infections
Parasites
Parasitic Infection
Parasitic Infection
Tomás Franquet, MD, PhD
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KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
TERMINOLOGY
Definitions
Parasites: Organisms that obtain nourishment and shelter from other organisms (hosts)
Obligate parasites: Can only live in host
Facultative parasites: Can live either in host or independently
May cause focal or diffuse pulmonary disease
Classification of Parasites Causing Pulmonary Pathology
Protozoa
Amebiasis:
Entamoeba histolytica
Toxoplasmosis:
Toxoplasma gondii
Malaria:
Plasmodium
spp. (
P. falciparum
,
P. vivax
,
P. ovale
, and
P. malariae
)
Trypanosomiasis (Chagas disease):
Trypanosoma cruzi
Nematodes
Ascariasis:
Ascaris lumbricoides
Hookworm infection:
Ancylostoma duodenale
Strongyloidiasis:
Strongyloides stercoralis
Filarial infections:
Wuchereria bancrofti
,
Brugia malayi
, and
Brugia timori
Dirofilariasis:
Dirofilaria immitis
Trichinosis:
Trichinella
spiralis
Visceral larva migrans infection (toxocariasis):
Toxocara canis
and
Toxocara cati
Cestodes
Hydatidosis:
Echinococcus
granulosus
and
Echinococcus
multilocularis
Trematodes
Paragonimiasis:
Paragonimus westermani
most prevalent worldwide,
Paragonimus
kellicotti
most prevalent in USA
Schistosomiasis:
Schistosoma
mansoni
IMAGING
Radiographic Findings
CT Findings
MR Findings
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Selected References
Cottin V: Eosinophilic lung diseases. Clin Chest Med. 37(3):535-56, 2016
Price M et al: Imaging of eosinophilic lung diseases. Radiol Clin North Am. 54(6):1151-1164, 2016
Skalski JH et al: Fungal, viral, and parasitic pneumonias associated with human immunodeficiency virus. Semin Respir Crit Care Med. 37(2):257-66, 2016
Henry TS et al: Role of imaging in the diagnosis and management of parasitic infections. Curr Opin Pulm Med. 19(3):310-7, 2013
Kuzucu A: Parasitic diseases of the respiratory tract. Curr Opin Pulm Med. 12(3):212-21, 2006
Martínez S et al: Thoracic manifestations of tropical parasitic infections: a pictorial review. Radiographics. 25(1):135-55, 2005
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
TERMINOLOGY
Definitions
Parasites: Organisms that obtain nourishment and shelter from other organisms (hosts)
Obligate parasites: Can only live in host
Facultative parasites: Can live either in host or independently
May cause focal or diffuse pulmonary disease
Classification of Parasites Causing Pulmonary Pathology
Protozoa
Amebiasis:
Entamoeba histolytica
Toxoplasmosis:
Toxoplasma gondii
Malaria:
Plasmodium
spp. (
P. falciparum
,
P. vivax
,
P. ovale
, and
P. malariae
)
Trypanosomiasis (Chagas disease):
Trypanosoma cruzi
Nematodes
Ascariasis:
Ascaris lumbricoides
Hookworm infection:
Ancylostoma duodenale
Strongyloidiasis:
Strongyloides stercoralis
Filarial infections:
Wuchereria bancrofti
,
Brugia malayi
, and
Brugia timori
Dirofilariasis:
Dirofilaria immitis
Trichinosis:
Trichinella
spiralis
Visceral larva migrans infection (toxocariasis):
Toxocara canis
and
Toxocara cati
Cestodes
Hydatidosis:
Echinococcus
granulosus
and
Echinococcus
multilocularis
Trematodes
Paragonimiasis:
Paragonimus westermani
most prevalent worldwide,
Paragonimus
kellicotti
most prevalent in USA
Schistosomiasis:
Schistosoma
mansoni
IMAGING
Radiographic Findings
CT Findings
MR Findings
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Selected References
Cottin V: Eosinophilic lung diseases. Clin Chest Med. 37(3):535-56, 2016
Price M et al: Imaging of eosinophilic lung diseases. Radiol Clin North Am. 54(6):1151-1164, 2016
Skalski JH et al: Fungal, viral, and parasitic pneumonias associated with human immunodeficiency virus. Semin Respir Crit Care Med. 37(2):257-66, 2016
Henry TS et al: Role of imaging in the diagnosis and management of parasitic infections. Curr Opin Pulm Med. 19(3):310-7, 2013
Kuzucu A: Parasitic diseases of the respiratory tract. Curr Opin Pulm Med. 12(3):212-21, 2006
Martínez S et al: Thoracic manifestations of tropical parasitic infections: a pictorial review. Radiographics. 25(1):135-55, 2005
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