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Echinococcosis (hydatid disease) in Missouri: Diagnosis by fine‐needle aspiration of a lung cyst
Author(s) -
Ingram Ellis A.,
Helikson Mary Alice
Publication year - 1991
Publication title -
diagnostic cytopathology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.417
H-Index - 65
eISSN - 1097-0339
pISSN - 8755-1039
DOI - 10.1002/dc.2840070518
Subject(s) - medicine , echinococcus granulosus , echinococcosis , cytology , fungal disease , fine needle aspiration , disease , hydatid cyst , pathology , lung , cyst , differential diagnosis , helminthiasis , biopsy , dermatology , biology , zoology
Abstract Echinococcus granulosus was diagnosed by fine‐needle aspiration cytology of a lung cyst in a 6‐yr‐old white female in central Missouri. No adverse reaction occurred following the aspiration. The cytologic sample yielded clear fluid containing numerous clearly identifiable protoscoleces diagnostic for echinococcosis using routine PAP staining. Since hydatid disease is extremely uncommon in the Midwest, it had not initially been considered in the differential diagnosis. The infection was probably not indigenous to Missouri, since the patient lived the first 3 ½ yr of life in Alaska, where the organism is endemic. This can only be speculative, however, since echinococcal organisms are found in wildlife in the Midwest.