A patient in Pennsylvania, USA, with common variable immunodeficiency sought care for fever, cough, and abdominal pain. Imaging revealed lesions involving multiple organs. Liver resection demonstrated necrotizing granulomas, recognizable tegument, and calcareous corpuscles indicative of an invasive cestode infection. Sequencing revealed 98% identity to a Versteria species of cestode found in mink.
Keywords: Pennsylvania; Taenia; United States; Versteria; agammaglobulinemia; cestoda; cestode; metacestode; parasite; parasites; tapeworm.