title: The value of electron microscopy in diagnostic pathology. Case 1.
mesh_terms: D003594:Cytoplasmic Granules / Q000648:ultrastructure; D006801:Humans; D007583:Jejunum / Q000473:pathology; D008264:Macrophages / Q000648:ultrastructure; D008297:Male; D008875:Middle Aged; D010503:Periodic Acid-Schiff Reaction; D008061:Whipple Disease / Q000175:diagnosis* / Q000473:pathology