Plasmablastic lymphoma in an HIV positive patient: colonic disease as an unusual presentation.

Plasmablastic lymphoma (PBL) is an aggressive and rare variant of diffuse large B-cell lymphoma associated with human immunodeficiency virus (HIV) infection. Here, we describe a case of PBL of the ascending colon in an HIV positive patient.

Ulcerative colitis induced by obinutuzumab in a patient treated for a follicular lymphoma.

An increasing use of immunomodulatory drugs has led to a corresponding increase in treatment-related pathologies such as inflammatory bowel disease. Here, we present a case of ulcerative colitis due to Obinutuzumab, an antiCD20 monoclonal approved for the treatment of Non-Hodgkin lymphomas.

Over-The-Scope clip closure of an acquired bronchoesophageal fistula secondary to an esophageal diverticulum.

Esophagorespiratory fistula is a rare entity that occurs as a result of malignant and non-malignant causes. This condition is associated with high morbidity and mortality. Surgical repair has traditionally been the most common treatment and self-expandable metal stent are the first choice among non-surgical techniques.