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  Discussion on New Article: The Paranasal Sinuses of the Horse
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Moderator:
DrO

Posted on Saturday, Feb 19, 2005 - 4:41 pm:

This article consists of a lateral and dorsal image of the horse's paranasal sinuses. The skull is opened to show these structures and give a clear idea of the relation of the sinuses with the external land marks of the skull, the roots of the cheek teeth, and the connection with the other nasal passages. To access click on
» Paranasal Sinuses of the Horse »
above.
Member:
jjet

Posted on Tuesday, Feb 20, 2007 - 11:37 pm:

Dr. O, I have studied your articles on hyper and hypothyroidism and looked at the paranasal sinuses area (not as much info there).

I have a 23 year old mare who is in relatively good condition, considering that she doesn't get much exercise.

Her problem: She has an intermittent problem with her left ear. It presents as an itchy area that she rubs on the fence panels. She is now rubbing not only the ear, but her eye socket and the caudal and maxillary sinus areas. The ear has a small amount of crustiness inside the base, but there is no fresh oozing.
She also has a small lump that appears to be her thyroid, as best as I can tell from your diagrams. No fever.

She does not show symptoms of either hypo or hyperthyroidism as described in your articles. I am thinking that she may have an infection in her sinuses which affects her ear and also causes her thyroid area to enlarge a little. Is that possible? She does not, however have any nasal drainage or coughs. Does that rule out sinus infection?

As I mentioned, this is an intermittent problem that is an aggravation to her but is not disabling, at least not yet. I would just like to try to figure out what the problem is so I can make her more comfortable. Local vets don't seem to have much of an interest in this as it seems minor to them.

Have you any ideas? Tests to be run?
Any suggestions would be appreciated.
Moderator:
DrO

Posted on Wednesday, Feb 21, 2007 - 6:29 am:

The articles on thyroid diseases are meant to be explanatory articles Jan while this image in the reference area was meant to be an explanation of the anatomy accompanied by images of the rather complicated paranasal sinuses of the horse.

Why don't we start with getting your discussion started in an appropriate area. Since she is itching, copy and paste this description in a new discussion at, Diseases of Horses » Skin Diseases, Wounds, and Swellings » Hair and Coat Problems / Itching / Irritated Skin » Overview of Pruritis: Scratching & Rubbing.
DrO
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