Pseudohookworm Infection — Trichostrongyliasis

TRICHOSTRONGYLUS infection, formerly rare in this country, is now encountered with some regularity. All cases are thought to have been introduced from other regions. Common in Korea and adjacent areas, as well as the Near East, these nematodes produce eggs easily confused with those of hookworms. Three cases recently seen (two in patients referred with a diagnosis of hookworm infection) are reported to call attention to this parasite, to describe the differences between its ova and those of hookworm and to document the efficacy of thiabendazole† in its treatment.Case ReportsCase 1. A 23-year-old Korean-born woman, resident in the . . .