Lesions of the lacrimal gland constitute one of the subgroups of orbital masses and can have benign or malignant characteristics. They are evaluated in two main histopathological groups as epithelial and non-epithelial, with lymphomas belonging to the non-epithelial group. Lacrimal gland lymphomas have been analyzed under the orbital lymphomas header in most of the literature studies and there are only a few articles evaluating these lesions separately. The aim of this study was to present the clinical, radiological, and histopathological evaluation and related findings of two cases with a confirmed biopsy diagnosis of primary lacrimal gland lymphoma that presented with unilateral ptosis at an advanced age. In conclusion, primary lacrimal gland lymphomas are limited to the orbit and can appear without any systemic findings. The possibility of lacrimal gland lymphoma should be considered especially in patients at an advanced age presenting with unilateral ptosis. Organic pathologies that could cause ptosis must be ruled out before planning ptosis surgery.
Keywords: Lacrimal gland lesions, lymphoma, ptosis, orbital tumours.