Case Study: January 2011
A 25 year old male with visual disturbance.
B-scan shows a large choroidal mass.
See figures 1,2 and 3
- What is the histogenesis of the cells in fig 2?
- What does fig 3 show?
- What is the likeliest diagnosis?
- What happens in around 1% of these lesions?
Click to show answers
- Polygonal melanocytic cells, packed full of oval to circular melanosomes, with bland central nuclei.
- Benign melanocytoma. Necrosis is permissible as is transcleral invasion.
- They can transform into melanoma.