Volume 21, Issue 1
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645



The first case of human pentastomiasis in Canada is reported in a 47-year-old man who emigrated from Hungary in 1957. Examination of an excised mesenteric lymph node revealed at least two degenerating nymphs, probably of , enclosed in fibrous tissue. One of the nymphs measured 3 mm in length and 0.2 mm in maximum diameter. On a portion of intact cuticle there were 135 to 155 backwardly directed nib-like spines which measured 18 to 22 µ in length; the sloughed cuticle was segmented. The host reaction to the parasite included generalized tissue eosinophilia with exceptionally large Charcot-Leyden crystals.


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