Email:Marie-Louise.Hammarstrom{at}climi.umu.se. BACKGROUND AND AIMS A histopathological feature considered indicative of ulcerative colitis (UC) is the so-called basal lymphoid aggregates. Their ...

AtLP are conditions in which it is not possible to differentiate between the benign and the malignant nature of a given lymphoid infiltrate. The descriptive term AtLP may be used as an interim ...