Abstract
Orbital pathologies can be broadly classified as ocular, extraocular soft-tissue (non-neoplastic and neoplastic), osseous, and traumatic. In this paper, we discuss the key imaging features and differential diagnoses of congenital and developmental lesions (dermoid cyst, dermolipoma), infective and inflammatory pathologies (pre-septal cellulitis, orbital cellulitis, optic neuritis, chalazion, thyroid ophthalmopathy, orbital pseudotumor), and non-neoplastic vascular anomalies (venous malformation, lymphatic malformation, carotid-cavernous fistula), emphasizing the key role of CT and MRI in the imaging work-up. In addition, we highlight the adjunctive role of ocular ultrasound in the diagnosis of dermoid cyst and chalazion, and discuss the primary role of ultrasound in the diagnosis of vascular malformations.
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Orbital series concept: Samantha Gerrie. Literature search: Heena Rajani (Parts 1 and 2), Samantha Gerrie (Parts 3 and 4). Manuscript drafts: Heena Rajani and Samantha Gerrie (Parts 1 and 2), Samantha Gerrie (Parts 3 and 4). Ophthalmology clinical input: Christopher Lyons. Cases: Samantha Gerrie, Helen Branson, Oscar Navarro, Heena Rajani, Christopher Lyons. Illustrations: Samantha Gerrie. Major manuscript restructure following first revision: Samantha Gerrie. Critical revision: Samantha Gerrie (First author Parts 1 - 4), Oscar Navarro (Senior author Parts 1 and 3), Helen Branson (Senior author Parts 2 and 4), Christopher Lyons, Eman Marie, Heena Rajani, Cassidy Frayn, Emily Hughes.
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Gerrie, S.K., Rajani, H., Navarro, O.M. et al. Pediatric orbital lesions: non-neoplastic extraocular soft-tissue lesions. Pediatr Radiol (2024). https://doi.org/10.1007/s00247-024-05892-x
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DOI: https://doi.org/10.1007/s00247-024-05892-x