Iannetti classification of orbital invasion

Last revised by Francis Deng on 2 Aug 2021

Citation, DOI, disclosures and article data

Citation:

Veiga M, Deng F, Iannetti classification of orbital invasion. Reference article, Radiopaedia.org (Accessed on 19 Apr 2024) https://doi.org/10.53347/rID-83902

DOI:

https://doi.org/10.53347/rID-83902

Permalink:

https://radiopaedia.org/articles/83902

rID:

83902

Article created:

7 Nov 2020, Marcos Gil Alberto da Veiga ◉

Disclosures:

At the time the article was created Marcos Gil Alberto da Veiga had no recorded disclosures.

View Marcos Gil Alberto da Veiga's current disclosures

Last revised:

2 Aug 2021, Francis Deng ◉

Disclosures:

At the time the article was last revised Francis Deng had no recorded disclosures.

View Francis Deng's current disclosures

Revisions:

2 times, by 2 contributors - see full revision history and disclosures

Systems:

Head & Neck

Sections:

Staging

The Iannetti classification grades orbital invasion by ethmoido-orbital tumors, such as adenocarcinoma, squamous cell carcinoma, adenoid cystic carcinoma, undifferentiated carcinoma, sarcoma, or olfactory neuroblastoma.

Classification

grade I: erosion or destruction of the orbital medial wall
grade II: extraconal invasion of the periorbital fat tissue
grade III: invasion of the medial rectus muscle, optic nerve, ocular bulb, or skin overlying the eyelid