Eyelid sebaceous gland carcinoma: a protocol for a systematic review and meta-analysis of clinicopathological studies of prevalence.

Introduction: Sebaceous gland carcinoma (SGC) of the eyelid is an aggressive tumour with the ability to metastasise and an increased morbidity. Controversies regarding the epidemiology of this malignant eyelid tumour is widespread in the scientific literature. Western reports repeatedly describes eyelid SGC as a rare occurring tumour in general, accounting for 1%-3% of all eyelid tumours, however studies from Asia have uncovered a higher frequency of eyelid SGC including 54% of all eyelid tumours in Japan, and 43%-56% in India.

[Cytomegalovirus retinitis after an intravitreal dexamethasone implant].

In this case report an immunocompetent patient developed retinitis after implantation of an intravitreal dexamethasone implant following a primary infection with cytomegalovirus. The implant was prescribed due to a history following a central vein occlusion with macular oedema and loss of vision. Vision improved after implantation, however, due to retinitis a vitrectomy was performed proving infection with cytomegalovirus.