Toxocara species (continued)
Seen in tissues of man: larval section surrounded by granuloma.
Figure 4-20. Stages of Toxocara species. (concluded)
ORGANISM 2: Ancylostoma species
COMMON NAME: Cutaneous larva migrans, creeping eruption.
GEOGRAPHICAL DISTRIBUTION: Worldwide; tropics and subtropics.
PATHOGENESIS: Eosinophilia, cellular infiltration, reddish serpiginous intracutaneous
tunnels, secondary bacterial infections.
MAN: Cutaneous and subcutaneous tissue.
DEFINITIVE HOST: Small intestines (usually cats and dogs).
INTERMEDIATE HOST: None.
RESERVOIR HOST: Same as the definitive host.
INFECTIVE FORM: Filariform larva.
MODE OF INFECTION: Penetration.
SPECIMEN OF CHOICE: Clinical evidence is diagnostic.