[Primary diffuse large B-cell lymphoma of the rectum simulating a rectal adenocarcinoma].

Colorectal lymphoma is an extremely infrequent entity, representing less than 0.5% of all primary colorectal neoplasms. Colorectal localization accounts for 15-20% of all gastrointestinal lymphomas, after the stomach and small intestine.

Validation of the Spanish version of the Index of Spouse Abuse.

Background: Partner violence against women is a major public health problem. Although there are currently a number of validated screening and diagnostic tools that can be used to evaluate this type of violence, such tools are not available in Spain. The aim of this study is to analyze the validity and reliability of the Spanish version of the Index of Spouse Abuse (ISA).

[Perirenal involvement in Waldenström disease].

Objective: To describe radiological, histological findings and cytometric features of perirenal masses: an unusual involvement pattern of the kidney by Waldenström disease. This pattern, not associated with nodal regional disease should be considered in the differential diagnosis of perirenal pathology (extramedullary hematopoiesis, liposarcoma, haematoma..