Management of Orbital Diseases

Area of Science:

• Veterinary Ophthalmology
• Comparative Pathology

Background:

• Orbital diseases in dogs and cats often present as emergencies due to acute symptom onset.
• The retrobulbar space's location complicates direct visualization and diagnosis of orbital conditions.

Purpose of the Study:

• To outline key clinical presentations of orbital diseases in companion animals.
• To discuss diagnostic challenges and methods for identifying the underlying causes of orbital inflammation and swelling.

Main Methods:

• Review of classical clinical signs including exophthalmos, strabismus, enophthalmos, proptosis, and intraconal swelling.
• Correlation of clinical findings (e.g., pain on mouth opening, swelling chronicity) with potential etiologies.
• Discussion of advanced diagnostic imaging modalities (ultrasound, MRI, CT) and tissue sampling (FNA, biopsy).

Main Results:

• Classical presentations like exophthalmos can stem from various causes including abscesses, cellulitis, sialoceles, neoplasia, foreign bodies, and immune-mediated diseases.
• Differentiating between causes often requires advanced diagnostics due to the inaccessibility of the orbital structures.
• Pain on opening the mouth and swelling characteristics offer clues to the underlying pathology.

Conclusions:

• Accurate diagnosis of orbital disease in pets requires careful observation of clinical signs and consideration of differential diagnoses.
• Advanced imaging and biopsies are essential for definitive etiological diagnosis and guiding treatment strategies for orbital conditions.