Category Archives: Microbiology

Staphylococcus aureus complex – S. argenteus – bug of the week

Guest posting from Dr Dan Lennon, Microbiology Registrar, Pathology North. This species is increasingly recognised now that MALDITOF  mass spectrometry is widely used for bacterial identification. Here is a useful short summary : S argenteus Lennon 2019 Sept. These species … Continue reading

Posted in Bug of the week, Staphylococcus aureus | Tagged | Leave a comment

Cryptocococcal infection bibliography – PNG and Cambodia

I have assembled bibliographies of Cryptococcal literature relevant to: PNG here – https://www.ncbi.nlm.nih.gov/myncbi/collections/58897830/?msg=publicURL Cambodia – https://www.ncbi.nlm.nih.gov/myncbi/collections/58897847/?msg=publicURL Two PNG PhD theses of relevance date from the 1990s – summaries here – the authors published several papers that are within the collection … Continue reading

Posted in Fungi, Module-Mycology | Tagged | 2 Comments

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

Posted in Module - Parasitology, Protozoa | Tagged | Leave a comment

Antimicrobial susceptibility testing – video masterclasses – Fiona Courtney

Consumables for AST – Set up of AST – Reading of the AST result – Thank you Fiona for these excellent explanations!  

Posted in Antimicrobial susceptibility testing, Module-Skin soft tissue infection | Tagged , | Leave a comment

Laboratory diagnosis of fungal disease- selective overview

Organism Microscopy Culture and identification Non-culture methods General Histopath PAS & silver stains etc. K0H with Parker ink (skin scrapings/nails) SAB (Saborauds dextrose agar) medium +/- antibiotics +/- cycloheximide For other media, see here. Blue thymol blue sticky tape preparation … Continue reading

Posted in Fungi, Module-Mycology | Leave a comment

Tuberculosis update 2018 from A/Prof Anna Ralph

Guest posting: Associate Professor Anna Ralph, Director of Global and Tropical Health at Menzies School of Health Research, Darwin, Northern Territory, Australia.  News :  UN General Assembly first ever High-Level Meeting on the fight against tuberculosis, September 28th 2018. New(ish) WHO … Continue reading

Posted in Module- Mycobacteria, Mycobacteria tuberculosis | Leave a comment

Malaria diagnostics- what’s new and why is it important?

Guest posting: Dr Ian Marr, Microbiology Registrar, NSW Health Pathology.  Malaria diagnosis Marr August 2018 v2 Short questions for postgraduates:

Posted in Module - Parasitology, Protozoa | Tagged | Leave a comment

Parasitology overview and helminth infection

Classification of Parasites and Helminths 2018 Marr Diagnosis of filarial infections (WHO) Kow PNGMJ 2013 – a comparative study of intestinal helminths, PNG Owen-IL Parasitic_zoonoses_PNG J Helminthology 2005 Strongyloides CDC site ;   Robertson NT strongyloides PCR test Reference CDC  Laboratory Identification … Continue reading

Posted in Helminths, Module - Parasitology, PNG | Tagged | Leave a comment

Burkholderia pseudomallei review including laboratory aspects

Guest posting: Dr Ian Marr, Microbiology Registrar, Pathology North. Melioidosis is a cause of severe pneumonia, bacteraemia, urosepsis, prostatic abscess, CNS infection, pyogenic myositis and liver and spleen abscesses. It is found in PNG especially around the Balimo region – … Continue reading

Posted in Bacteria (GNEG), Med Micro topics-advanced | Tagged | Leave a comment

Virology overview

Consider specific diagnostic approaches to each agent, including where relevant, serological testing, antigen detection and nucleic acid amplification methods.  Also know what is locally in use in your laboratory. Immunisation – need to know about the vaccines that are available … Continue reading

Posted in Module-basic microbiology and AMR, Module-virology, Viruses | Tagged | Leave a comment