Lymphoma is a type of blood malignancy that begins in lymphocytes which include B-lymphocytes, T-lymphocytes, and natural killer (NK) cells. There are two main categories of lymphoma: those presenting with a specific type of cellular abnormality dubbed a Reed-Sternberg cell, called classic Hodgkin lymphomas (HLs), and the others called non-Hodgkin lymphomas (NHLs) [1]. HL accounts for approximately 10% of all lymphomas, while the remaining 90% are NHL [2]. NHL is also divided into B-cell and T-cell lymphomas. B-cell lymphoma accounts for more than 85% of all lymphoid neoplasms [1]. Although orbital lymphoma is rare, accounting for only 1% of all NHL cases, it is the most common primary orbital cancer in adults, accounting for 55% of all malignancies in the orbit [3][4][5]. The majority of NHL of the orbit and
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