Orbital impairment in the debut of oncohematological diseases in children

Tumor lesion of the orbit is found in clinic various oncohematological diseases children. Untimely referral such patients to an oncologist delays timing necessary treatment, thereby worsening prognosis disease. The literature review presents features clinical manifestations orbital pathology children at onset acute myeloid leukemia, sarcoma, lymphoma, Langerhans cell and non-Langerhans histiocytosis. article our own observations identifies factors that negatively affect timely diagnosis this category patients.