Orbital pseudotumor
Orbital pseudotumor
Definition
A nonspecific tumor-like inflammatory lesion in the orbit of the eye. It is usually composed of mature lymphocytes; plasma cells; macrophages; leukocytes with varying degrees of fibrosis. Orbital pseudotumors are often associated with inflammation of the extraocular muscles (orbital myositis) or inflammation of the lacrimal glands (dacryoadenitis).
Also known as granuloma, plasma cell, orbital, inflammatory pseudotumor of orbit, inflammatory pseudotumor of orbit proper, inflammatory pseudotumor, orbital, inflammatory pseudotumors, orbital, orbital granuloma, plasma cell, orbital inflammatory pseudotumor, orbital inflammatory pseudotumors, orbital pseudotumors, plasma cell granuloma, orbital, pseudotumor, inflammatory, orbital, pseudotumor, orbital, pseudotumor, orbital inflammatory, pseudotumors, orbital — per MONDO