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Orbital and periorbital cellulitis

Case contributed by Dr Bruno Di Muzio


Four days with fever, hyaline rhinorrhea, dry cough. It has been on homeopathic treatment for three days. A slight swelling began three days ago on left eyelid. Now she can not open the left eye.

Patient Data:

Age: 2
Gender: Female

CT orbits

Modality: CT

On elected images we can see increased attenuation of fat planes of left peri-orbital area with extraconal extension along the medial rectus muscle. It is also noted a slight compression on the orbit. The intraconal region is preserved and there is no extension to the central nervous system.

Case Discussion:

Orbital cellulitis is a postseptal infectious process most commonly caused by paranasal sinusitis, which spreads to the orbit via a perivascular pathway 1.

Periorbital cellulitis, which is defined as a preseptal process limited to the soft tissues anterior to the orbital septum, most commonly arises from the contiguous spread of infection from adjacent structures such as the face, teeth, and ocular adnexa 1.

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