Abstract |
Five horses with unilateral epidermal inclusion cysts located in the nasal diverticula were sedated and treated with intralesional injection of neutral-buffered 10% formalin (volume range, 2 to 4.5 mL). After aspiration of the cyst, formalin was injected intralesionally until leakage of fluid around the needle was observed. After several weeks, desiccation of the cyst was evident; it was excised 2 weeks after treatment in 3 horses, digitally removed by the owner of 1 horse, and never removed in 1 horse, because the owner declined further treatment after resolution of the original swelling of the nasal diverticulum. Swelling of the cyst after treatment was observed in all horses; nasal discharge (2 horses) and a mild episode of epistaxis (1 horse) were the only other complications of the treatment. Intralesional administration of formalin appears to be a simple and effective treatment for epidermal inclusion cysts in the nasal diverticula of horses.
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Authors | Rebecca L Frankeny |
Journal | Journal of the American Veterinary Medical Association
(J Am Vet Med Assoc)
Vol. 223
Issue 2
Pg. 221-2, 197
(Jul 15 2003)
ISSN: 0003-1488 [Print] United States |
PMID | 12875451
(Publication Type: Case Reports, Journal Article)
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Chemical References |
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Topics |
- Animals
- Diverticulum
(veterinary)
- Epidermal Cyst
(drug therapy, pathology, veterinary)
- Female
- Formaldehyde
(therapeutic use)
- Horse Diseases
(drug therapy, pathology)
- Horses
- Injections, Intralesional
(veterinary)
- Male
- Nose
- Nose Diseases
(drug therapy, pathology, veterinary)
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