- Artifacts and contamination can be found in urine , particularly in specimens collected under improper conditions or in dirty containers.
- May occur when corn starchin the powder used in powdered gloves.
- Misdiagnosed with yeast cell so by adding a drop of iodine trun it blue black.
- Appear as spheres with a cell wall and occasional concentric circles.
- Highly refractile and may resemble RBCs to inexperienced laboratory personnel.
- They occur when the specimen is placed under a cover glass.
- Come from clothing, diapers, toilet paper or lens paper.
- They are long and flat and easily recognizable ,but those are short and are approximately the same size as cast can be mistaken for cast.
- Long with one pointed end and central canal and have regular spiral structure.
- May be misdiagnosed with urine cast.
- As well as scratches appear as crystals on the microscope slide.
- Misdiagnosed with urine crystal.