Gastrointestinal intraepithelial neoplasia (GIN or GIIN), also known as "digestive epithelial dysplasia" is abnormal growth (
cellular dysplasia) of digestive
epithelial cell
Epithelium or epithelial tissue is one of the four basic types of animal tissue, along with connective tissue, muscle tissue and nervous tissue. It is a thin, continuous, protective layer of compactly packed cells with a little intercellula ...
s in the digestive
mucosa
A mucous membrane or mucosa is a membrane that lines various cavities in the body of an organism and covers the surface of internal organs. It consists of one or more layers of epithelial cells overlying a layer of loose connective tissue. It is ...
.
Gastrointestinal intraepithelial neoplasia is the potentially
premalignant
A precancerous condition is a condition, tumor or lesion involving abnormal cells which are associated with an increased risk of developing into cancer. Clinically, precancerous conditions encompass a variety of abnormal tissues with an increased ...
transformation.
Since 2000, they are classified according to the Vienna classification.
References
Lesion
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