Copyright 2006-2020 C. DUBOUCHER
TRICHOMONADS IN HUMAN TISSUES
Pictures of amoeboid trichomonads
found in deep locations are presented.
They will help cytopathologists or parasitologists
to familiarize themselves with this deceptive amoeboid appearance
observed in deep locations.
I - Trichomoniasis in the course of Pneumocystis Pneumonia
Trichomonas infections occur frequently in the course of Pneumocystis jirovecii pneumonia (PJP).
This parasitic coinfection (or rather a surimposed parasitic infection) is documented here by a gallery of micrographs
showing amoeboid forms of trichomonads in the bronchoalveolar lavage fluid (BALF) of 11 human cases.
read the publication (Acta Cytol., 2005)
II - Trichomoniasis in the course of Acute Respiratory Distress Syndrome
Trichomonas infections occur frequently in the course of ARDS (Acute Respiratory Distress Syndrome).
This surimposed infection by a parasite is documented here by a gallery of micrographs showing
amoeboid forms of trichomonads in the bronchoalveolar lavage fluid (BALF) of 7 human cases.
read the publication (Lung, 2007)
... and in the course of SARS-CoV-2 infection ?
If trichomonas infections occur frequently in the course of "common" ARDS,
facing SARS-CoV-2 pandemic, one can raise the question of their role as surimposed infection during COVID-19.
read the publication (J. Infect., 2020)
III - Other trichomoniasis
Trichomonads have been found in a salivary gland, in a cervical lymph node,
in peritoneal fluid and in a breast cyst
These infections by a prorozoan are documented here by a gallery of micrographs
showing amoeboid forms of trichomonads in these deep sites.
IV - Comment "What is an amoeboid trichomonad ?"
When transforming into amoeboid form, trichomonads look like anonymous cells that have lost their distinctive marks.
So, trichomonads do not harbor a familiar appearance both for parasitologists and for cytopathologists.
read the publication (21st Century Pathologist, 2021)
