Surgical Treatment and Pathology: Normal Histology
Fig. 4.1 Histological zones of the anal canal Histological Zones of the Anus The anal canal is divided into three separate histological zones according to the type of lining mucosa:…
Premalignant Conditions of the Anus
Fig. 6.1 AIN lesions AIN 1: nuclear abnormalities affect the lower one-third of the epithelium. AIN 2: nuclear abnormalities affect the lower two-thirds of the epithelium. AIN 3: nuclear abnormalities…
