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Practical Approach to Orbital Lesions by
Anatomic Compartments
Autores: Guilherme Gotti Naves, MD • Heytor José de Oliveira Cabral, MD • Helen Ribeiro de Oliveira, MD • Thiago Luiz Pereira Donoso Scoppetta, MD
Henrique Bortot Zuppani, MD • Fernanda Boldrini Assunção, MD
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TEACHING POINTS
A wide range of pathologic conditions can originate in the orbit. While it is common to approach the differential diagnosis based
on disease categories, such as neoplastic and inflammatory, segmenting the orbit into anatomic compartments can direct the
radiologist toward the most common pathologic conditions for each manifestation and space. The orbit can be divided into
intraconal, conal, and extraconal compartments. Additionally, the optic nerve sheath complex and lacrimal apparatus can be
partitioned into separate compartments due to their unique functions and pathologic features. By using this anatomic approach,
the authors review the most common pathologic conditions affecting the orbit and discuss clinical and imaging findings
that can guide the differential diagnosis for lesions with similar appearances. |
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