From post-war reconstruction to the twenty-first century – ophthalmic pathology in Freiburg 1945–2015: review of 39,256 surgical specimens from various topographical regions collected over 71 years at a large German tertiary eye care centre

Table 12 Benign and malignant tumours of the cornea

Origin/category of benign tumour	n	(%)	Malignant EMP-tumour entity	n	(%)	Malignant AMP-tumour entity	n	(%)
Choristoma	37	57	Squamous cell carcinoma	8	73	Squamous epithelial precancerous lesion	18	95
Epithelial	20	31	Melanoma	3	27	Basal cell carcinoma	1	5.3
Mesenchymal	4	6.2
Melanocytic	4	6.2
Sum	65		Sum	11		Sum	19

Number and relative frequency of corneal lesions with associated benign and malignant tumour diagnoses during the observation period (1945–2015). Malignant tumours were classified based on existing metastatic potential (EMP), absent metastatic potential (AMP) and on their cell of origin. Percentages may not total 100 due to rounding

ISSN: 1471-2415