Ear cytology quiz

How do they do ear cytology?
A clean swab is inserted into the vertical ear canal to the junction with the horizontal ear canal and gently rotated to collect material.
If otitis media is present, the animal's ears may be too painful for collection without sedation.
In general, the deeper an infection goes, the more painful it is._{May 13, 2020}.
How to do an ear smear?
Gently brace your hand with cotton swab on the patients' head to prevent inadvertent stabbing deep into the canal.
Line up the angle of the swab with the angle of the canal.
Use gentle rolling motion while obtaining sample, and don't go too deep in canal..
What are the cells in the ear cytology?
Normal ear canal cytology is characterised by cerumen (ear-wax), exfoliated squamous epithelial cells from the ear canal, a low number of commensal organisms, and potentially a number of different environmental contaminants..
What bacteria is in the ear cytology?
Cytology of ear discharge reveals cocci suggestive of Staphylococcus spp.
Bacilli appear as elongated rods when viewed under the microscope, they usually appear as single cells.
All bacteria and yeast stain dark blue with a Diff Quik stain._{Mar 2, 2020}.

How do you grade ear cytology samples for bacteria?

For example, in dogs, an average of >25 bacteria per 40× field may be reported as “marked;” in cats, a “marked” number may be >15 bacteria per 40× field.3 An alternative reporting scheme grades ear cytology samples based on the presence of bacteria, yeast, and inflammatory cells by semi-quantitative methods:8 .

What are the most common findings on ear cytology slides?

Keratinocytes are another common finding on ear cytology slides.3 Dogs typically have up to 4 per 40× objective field on average; cats, 8 per 40× objective field. 3 These cells are often anucleated and stain faintly purple (Figure 6; more densely purple when rolled up).4 Figure 6.

What is ear sampling and cytologic evaluation?

Ear sampling and cytologic evaluation is a rapid, inexpensive test that a skilled veterinary nurse can perform in house to identify parasites, cocci and rod bacteria, inflammatory cells, and yeast organisms, which are common in otitis externa.

Ear cytology quiz

How do they do ear cytology?

How to do an ear smear?

What are the cells in the ear cytology?

What bacteria is in the ear cytology?

How do you grade ear cytology samples for bacteria?

What are the most common findings on ear cytology slides?

What is ear sampling and cytologic evaluation?