Versteria in a cestode primarily seen in animals. Rarely the tapeworm may infect humans.

Hosts of Versteria mustelae: weasels, ermine, mink and other mustelids


Risk factors for infection:

(1) contact with wild animals

(2) immunodeficiency or immunosuppression


Clinical features:

(1) fever

(2) cough

(3) abdominal pain

(4) nodular lesions in internal organs, which may be disseminated


Biopsy of a nodule shows necrotizing granulomas containing hooklets and protoscolex


The larval form is termed metacestode.


Definitive diagnosis may require PCR. This is performed after excluding more common cestodes.

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