Chandler classification of orbital infections
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Chandler classification is the most commonly used system for dividing the different types of orbital cellulitis. The system describes five stages 1,2 :
- Stage I: preseptal orbital cellulitis with inflammation and edema anterior to the orbital septum.
- Stage II: orbital cellulitis with extension of the inflammation and edema beyond the orbital septum.
- Stage III:
sub-periostealsubperiosteal abscess beneath the periosteum of lamina papyracea. - Stage IV: Orbital abscess and purulent collection within orbit.
- Stage V: Cavernous sinus thrombosis after posterior extension of the infection through the superior ophthalmic veins.
-<p><strong>Chandler classification</strong> is the most used system for dividing the different types of orbital cellulitis. The system describes five stages <sup>1,2</sup> :</p><ul>- +<p><strong>Chandler classification</strong> is the most commonly used system for dividing the different types of orbital cellulitis. The system describes five stages <sup>1,2</sup> :</p><ul>
-<li>Stage III: sub-periosteal abscess beneath the periosteum of lamina papyracea.</li>- +<li>Stage III: subperiosteal abscess beneath the periosteum of lamina papyracea.</li>
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