Purpura is of two main types, thrombocytopenic and non-thrombocytopenic. Schonlein-Henoch's purpura is an example of the latter. Davis (1) describes it as a condition in which non-traumatic hemorrhage, with or without edema, occurs in the skin or subcutaneous tissues or joints or viscera, or in any combination of these, and in which the blood platelets are normally abundant. The cause of this condition is unknown. In only a small number of cases can allergic factors be demonstrated (2). It may be a syndrome, and not a disease, representing a non-specific reaction to different factors. One important cause may be a recent infection by hemolytic streptococci (1). Reimann (3) believes that certain cases of the Schonlein-Henoch syndrome belong to a group of periodic or cyclic diseases. In none of the diseases in this category is the cause known and until the theories propounded are proved, Reimann likes to regard periodic disease as a manifestation of a rhythm of life. Osler described four types of lesions, all of an exudative character (4). 1. Purpura. This may be simple and edema may be present in the hands and feet. 2. Effusions of serum causing urticarial wheals or angioneurotic edema. Identical attacks of intestinal symptoms are seen in angioneurotic edema (5). 3. Diffuse erythema. 4. Necrotic areas, which may be followed by the formation of bullae or ulcers. Cecil claims that there are foci of hemorrhage and edema in the gastrointestinal tract, causing pain, often colicky, diarrhea, melena, and even intussusception (6). Schonlein-Henoch's purpura rarely causes massive upper gastro-intestinal hemorrhage (7). Because Schonlein-Henoch's purpura can cause such gross changes in the intestinal tract, it seems strange that these have not been observed roentgenologically, with greater frequency. Whitmore and Peterson (8) were the first to describe the roentgenologic picture. They demonstrated, in a case report, irregularity in the terminal portion of the duodenum and first part of the jejunum. The bowel in these regions was dilated, with irregularities of the mucosal outline, resembling small diverticula or ulcers. The dilated portion of the intestine was about 25 cm. in length. Below this level some of the loops were of normal diameter, others were decreased in size, with no normal mucosal pattern visible. Re-examination six weeks later showed a normal small bowel pattern with normal motility. Kraemer (9) has since reported another case with similar small bowel changes. Case Report On Feb. 16, 1948, J. J. T., a white male physician, age 49, entered Nazareth Hospital, with a presumptive diagnosis of Henoch's purpura. Two weeks before admission vague pains in the lower back occurred, followed in a few days by petechiae on the lower extremities. The past medical history and family history were non-contributory.