Figure 1: Self resolving keratocanthoma in 2 year old male rat
Case history and photos.
History
Male hairless rat 2 years old. History of skin problems including small abscesses and cysts.
Clinical Signs
Growth on the rat’s left cheek began as a red bump that quickly enlarged to a hard raised black mass.
Diagnosis
Initial diagnosis was a cornified cyst. Pathology revealed that the growth was actually a Keratoacanthoma.
Treatment
The vet prescribed an antibiotic ointment to prevent infection and help soften the tissue.
Outcome
The keratocanthoma eventually fell off leaving a small hole in the cheek that healed well. To date there have been no more incidents of KA.
Photos
Male hairless rat with keratoacanthoma on left cheek
Photos 1 and 2 showing a benign keratoacanthoma
Photo 3: Shows spontaneous healing.
Posted on January 16, 2006, 18:14,
Last updated on August 4, 2008, 10:46
| Figures
