Primary cutaneous lymphoma represents a distinct clinical entity within the spectrum of haematological malignancy. A case of primary cutaneous B cell lymphoma is reported, presenting in an 87-year-old female with a 2-year history of intermittent swelling and discolouration of the right upper and lower eyelids, in the absence of systemic symptoms. Histopathological examination of an incision biopsy revealed a lymphoid infiltrate in the dermis with immunophenotypic features of B cell lymphoma. Staging investigations confirmed the absence of systemic disease. Treatment with oral chemotherapy was undertaken with a good response. Ophthalmologists should include primary cutaneous lymphoma in the differential diagnosis of recurrent eyelid swelling.
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