oral CIS catalog
histopathological variations
Recommended reading:
JSOP Working Committee. Carcinoma in-situ of the oral mucosa: its pathological diagnostic concept based on the recognition of histological varieties proposed in the JSOP Oral CIS Catalog. Journal of Oral and Maxillofacial Surgery, Medicine, and Pathology 2014 online, doi: 10.1016/j.ajoms.2013.11.003
http://authors.elsevier.com/sd/article/S2212555813001919