Idiopathic versus Provoked Renal Infarction: Characteristics and Long-Term Follow-Up of a Cohort of Patients in a Tertiary Hospital.

Background: There is limited evidence on the etiology and outcomes of renal infarction. A provoking factor is identified only in one- to two-thirds of patients.

Methods: This is a retrospective observational study.

Retroperitoneal fibrosis associated with orbital pseudotumor without evidence of IgG4: A case report with review of literature.

Retroperitoneal fibrosis (RPF) is a rare disease characterized by chronic inflammation and periaortic fibrosis that affects retroperitoneal structures and often entraps the ureters. The idiopathic form has an incidence of 0.1-1.