Wallach's Interpretation of Diagnostic Tests: Pathways to Arriving at a Clinical Diagnosis (328 page)

   
Secondary

   Allergic diseases: atopic and related diseases, medication related

   Infectious diseases: parasitic infections, mostly helminths, some fungal infections, infrequently other infections

   Collagen vascular disorders

   Autoimmune disorders such as the vasculitis of the Churg-Strauss syndrome

   Tumors with secondary eosinophilia: T-cell lymphomas (e.g., mycosis fungoides, Sézary syndrome), Hodgkin lymphoma Pulmonary diseases: (hypersensitivity pneumonia, Loeffler pneumonia)

   Endocrine: adrenal insufficiency

   Immunologic reactions, transplant rejection

   Cholesterol embolism syndrome

PERSISTENT EOSINOPENIA

   Definition

No lower limit can be determined because the eosinophil count may be 0% in some normal patients.

   Associated Conditions

   Drugs: corticosteroids or epinephrine administration

   Cushing syndrome