Creepy Dreadful Wonderful Parasites

The following objects were seen on a peripheral blood film from a 36 year old male who recently returned from an African safari.  Identifica...

Answer:   Trypanosoma brucei trypomastigotes in peripheral blood. Trypanosoma brucei is only present in humans as trypomastigotes (motile ...

The following were found in a stool specimen from a 52 year old immigrant from Vietnam with pancreatitis and right upper quadrant pain.  The...

Answer:   Clonorchis sinensis  / Opisthorchis sp. eggs The characteristic features of these distinctive eggs are their small size (19-35 m...

This case was generously donated by Florida Fan.  The following object measures approximately 4 cm in length.  It is stained with a Carmine ...

Answer:   Trichuris trichiura , (a.k.a. Whipworm), adult female. The overall shape of the worm (resembling a whip) is diagnostic, as are t...

The following were removed from the small intestine during upper endoscopy for abdominal pain.  Identification?  The larger of the 2 measure...

Answer:  Hookworm: Ancylostoma duodenale I received some great comments on this case! From Lukus:  " Ancycloctoma duodenale - the tw...

The following were seen in a fresh stool specimen from a patient with chronic watery diarrhea. Identification? The video can also be se...

Answer:   Giardia duodenalis (aka. G. lamblia, G. intestinalis ) This video shows the characteristic "falling leaf" motility of ...