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Table 1 Overview of orbital tumours and tumour-like lesions using a compartment based approach. Asterisks indicate possible, however, rare disease manifestations in the respective compartment

From: Orbital tumours and tumour-like lesions: exploring the armamentarium of multiparametric imaging

Intraconal and conal masses Extraconal masses Multi-compartment masses
Globe Optic nerve sheath complex Muscle cone and retrobulbar fat Orbital appendages (lacrimal gland and sac) Other extraconal structures, bones, and sinuses Eyelid  
Retinoblastoma Optic nerve glioma Cavernous hemangioma Epithelial lacrimal gland tumours (benign mixed tumour, adenoid cystic carcinoma, adenocarcinoma, undifferentiated carcinoma) Dermoid/epidermoid Eyelid tumours (squamous cell carcinoma, basal cell carcinoma, melanoma, lymphoma) Vascular malformations
Hemangioblastoma Optic nerve sheath meningoma Pseudotumour Lymphoma, leukemia Rhabdomyosarcoma Lymphoma
Uveal melanoma Lymphoma*, leukemia* Schwannoma*of cranial nerves III, IV, VI Sarcoidosis Schwannoma and perineural spread V1 and V2 Rhabdomyosarcoma
Chorioid metastases Pseudotumour Fibrous dysplasia, osteoma, metastases, myeloma Plexiform neurofibroma
Metastases
Pseudotumour
Ig-G4 related disease