"Ghost" forms of Giardia lamblia cysts initially misdiagnosed as Isospora.
Because of their distinctive morphology the cysts of Giardia lamblia usually are not mistaken for cysts or eggs of other intestinal parasites. At a hospital laboratory in Kentucky a case of giardiasis was encountered in which the initial fecal examination revealed only degenerated cysts of Giardia which were mistaken for the oocysts of Isospora at the one-sporoblast stage.
D000328:Adult; D003048:Coccidiosis / Q000175:diagnosis*; D003937:Diagnosis, Differential; D005872:Giardia / Q000166:cytology*; D005873:Giardiasis / Q000175:diagnosis*; D006801:Humans; D007549:Isospora / Q000166:cytology*; D008297:Male