| periureteritis plastica | <radiology> Ureters tapered or obstructed, most severe at L4-5, ureters deviated medially, Treatment: symptomatic; steroids have ? long-term benefit Differential diagnosis: malignancy, lymphoma (especially Hodgkin's), metastasis from colon and breast, retroperitoneal sarcoma, drugs, methysergide (Sansert), haemorrhage, aortic aneurysm, trauma or surgery, inflammation, Crohn's disease, diverticulitis, pancreatitis, extravasated urine, radiation (12 Dec 1998) |
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| linitis plastica | Diffuse fibrous proliferation of the submucous connective tissue of the stomach, resulting in thickening and fibrosis so that the stomach is constricted, inelastic, and rigid (like a leather bottle). It is almost always a manifestation of adenocarcinoma but is also seen in benign conditions such as gastric syphilis. (12 Dec 1998) |