Teaching eye pathology
Orbital mass in a young adult This is a low power image. The tumour is solid (as opposed to eg cystic or nested). There are prominent vascular spaces with an irregular "staghorn" profile. In the annotated image, I've outlined a few of the irregular vessels in green. In this higher power field, we see the… Continue reading Eye pathology case 10
Biopsy from a young adult with an orbital mass and pain For those of you sitting exams (whether ophthalmologists or histopathologists), this is a classic pattern to recognise. It shows cribriform ("sieve-like") architecture, sometimes compared to Swiss cheese for obvious reasons. There are nests of basaloid tumour cells containing punched-out cystic spaces filled with mucin.… Continue reading Eye pathology case 6
In yesterday's session, we covered a lot of topics including eyelid anatomy, differential diagnosis of lymphomas using immunohistochemistry, various tumours with myxoid stroma and a few benign skin tumours. Here are a few of the case we discussed. Case 1 Enucleation for an intraocular tumour The tumour was anteriorly located, and there was iris rubeosis… Continue reading Microscopy January 2020
For our final session of the year yesterday, we welcomed Alice (corneal service), Majid (medical student), Clare (laboratory) and Beatrice (ocular oncology). It was great seeing how everyone brought different perspectives to the cases we discussed. We started with an overview of basic histology of the eye, and a chat about the usefulness of PAS… Continue reading Microscopy December 2019
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