Effectiveness and Possible Complications of Core Needle Biopsy of Orbital Tumors

Core needle biopsy of orbital mass lesions with a semiautomated needles is a safe procedure that provides a sufficient amount of tissue material for standard histological and immunohistochemical analysis and can be an alternative or supplement to fine needle aspiration biopsy

Inclusion Criteria:

• unresectable mass lesions with diffuse involvement of the orbit or the tumors with infiltrative growth and indistinct borders which needed to have morphologic verification

Exclusion Criteria:

• An anti-coagulant therapy at the time of biopsy,
• bleeding diathesis,
• suspected hypervascular lesions,
• orbital roof destruction with a tumor,
• apical location of the tumor