- DNA virus, first recognized in 1977 .
- Cause : infection with pox virus.
- Signs : the primary lesion looks like an unhealing bite. Secondary lesions start as macules and progress to ulcerated papules or nodules often with crusts.
- Diagnosis : presentation, histopathological examination of biopsy, virus isolation, serology, electronmicroscopy of scab.
- Treatment : symptomatic only.
- Prognosis : good unless immunosuppressed.
Print off the owner factsheet Cat pox to give to your client.
- (Fig. 1) . Can involve tongue and buccal mucosa.
- Severe lesions can involve areas of necrosis.
- Sloughed plaques → granulating tissue.
- Pruritus can be seen.
- Occasional mild upper respiratory signs (conjunctivitis, nasal discharge).
- Dyspnea associated with pneumonia in severe cases.
- Other nodular skin lesions:
- Other causes of pneumonia.
- Good - most cases recover spontaneously.
- Poor if immunosuppressed.
Expected response to treatment
- Scabbing of lesions and no development of new lesions.
- Improving demeanor.
- Usually recover within 1-2 weeks from the appearance of secondary pox lesions.
- With more severe lesions healing will be further prolonged.