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Key Diagnostic Features
Plasmodia (trophozoites and schizonts)

Diagnostic features of Giemsa stained malaria parasites

Parasite itself:

  • size (in comparison to erythrocyte)
  • shape (ring, amoeboid, compact)
  • cytoplasm (colour, homogeneous, compact, vacuoles, pigment)
  • nucleus, nuclei (number, staining pattern)

Parasitized host cell:

  • size (normal, enlarged, smaller)
  • shape (unchanged, oval, irregular edges)
  • cytoplasm (colour, with/without Sch├╝ffner’s dots, Maurer’s clefts)