Pathology Research International / 2011 / Article / Fig 6

Review Article

A Morphological Approach to the Diagnosis of Protozoal Infections of the Central Nervous System

Figure 6

(a) Haemozoin pigment deposition in the lining of the blood vessels (arrows). The pigment may obscure the parasites in the trophozoite stage and can appear similar to formalin pigment, H&E. (b) GFAP and (c) CD68 immunostainings demonstrate astroglial and microglial cell activation, respectively.