In this Japanese cohort, an eyelid mass was the main clinical presentation of sebaceous carcinoma. Contrary to previous reports, T2a tumours smaller than 10 mm were associated with regional nodal metastases.

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Bisphosphonates have a pro-inflammatory effect, which can precipitate orbital inflammation. This rare, but potentially serious complication of bisphosphonate treatment should be considered by clinicians using bisphosphonate treatment and by ophthalmologists seeing patients with orbital inflammatory disease.

PLGPAs have varied clinical and radiological features. Common radiological features are a heterogeneous internal architecture on T2-weighted MRI, an enhancing rim on T1FS-Gad MRI, smooth or scalloped bony excavation with intact cortical bone, and globe indentation. Cystic spaces, calcification, and symptom duration less than 6 months are common, but pain is rare. Awareness of the clinico-radiological variants of PLGPA is important when considering incisional biopsy of a lacrimal gland mass.