Objective: To examine the expression of molecules targeted by imatinib mesylate (STI571;Gleevec) and epidermal growth factor receptor (EGFR) inhibitors in orbital lymphangiomas.

Design: Retrospective observational case series.

Participants: Six patients with orbital lymphangioma treated at four institutions between March 2000 and December 2002.

Methods: Tissue specimens and medical records from six patients were collected. Immunohistochemical analysis was performed using antibodies against c-kit and platelet-derived growth factor receptor (PDGFR) alpha and beta and EGFR tyrosine kinase.

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http://dx.doi.org/10.1080/01676830590889875DOI Listing

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