Category Archives: Protozoa
Artemisinin derivatives for malaria – tutorial notes from Dan Lennon
Guest posting from Dr Dan Lennon, Microbiology Registrar. Here is another excellent overview of important antimalarials. Artemisinin Derivatives Lennon 2019.
Entamoeba histolytica
Case report 1- SIDG 2017_Dr C Swan Amoebiasis PNG case report: Multiple liver abscesses: an unusual case which demonstrates the importance of ultrasonography in the detection of liver pathology. Life cycle Rapid diagnostic tests are reliable now – distinguish E. histolytica … Continue reading
Dientamoeba fragilis morphological diagnosis and clinical relevance
Dientamoeba fragilis measures 9-12 uM and have 1-2 nuclei (nearly half have only 1 nucleus). Important notice from RCPA 2015 concerning the (overall lack of) significance of Dientamoeba and Blastocystis detected in stool. [Multiplex faecal PCR assays often include these … Continue reading
Cyclospora cayetanensis – practical morphology
Cyclospora cayetanensis oocysts are similar to Cryptosporidium parvum oocysts but are approx. twice as large. Both are acid fast and stain pink/red/burgundy with safranin . Cyclospora can be more acid-fast variable and can have a bubbly appearance and be granular. In unstained wet mounts, Cyclospora appear glassy … Continue reading
Microbiology and Infectious Diseases postgraduate teaching (PRIDA) 