Orbital Lymphoma

The differential diagnosis for an orbital mass is extensive and includes both benign (cavernous hemangioma, sarcoid, varix, meningioma and pseudotumor) and malignant (orbital lymphoma, metastasis, glioma) lesions. Read more »

Orbital Pseudotumor

Orbital pseudotumor is the most common cause of a painful orbital mass in adults. It is a mass comprised of inflammatory cells (lymphocytes, macrophages etc) and fibrosis, is typically unilateral and infiltrative. Read more »