This report describes a rare case of retroperitoneal malakoplakia in a 70-year-old woman. The patient underwent open nephrectomy under suspicion of a huge retroperitoneal malignancy invading the right kidney. The mass was attached to the capsule of the lower pole of the kidney. Microscopically, the mass was composed of solid sheets of mononuclear cells and variable numbers of chronic inflammato...

bacteria, an altered immune response, an altered histiocytic response or intrinsically abnormal macrophages [5]. The most common site of infection in females is the urinary tract and it is associated with infection with Gram-negative organisms, mainly Escherichia coli and Klebsiella sp. The extragenitourinary sites that are involved are the skin and the pulmonary, renal and gastrointestinal tra...

Epithelial abnormalities: Von Brunn’s nests Cystitis glandularis Cystitis cystica Squamous metaplasia Nephrogenic adenoma Papillary hyperplasia Non-specific cystitis Papillary-polypoid cystitis Specific cystitis Follicular cystitis Interstitial cystitis Eosinophilic cystitis Giant cell cystitis Radiation cystitis Incrusted cystitis Emphysematous cystitis Granulomatous cystitis Malakoplakia Poly...

1 Urology Intern, Hospital de Clínicas, Universidade Federal do Paraná (UFPR), Curitiba, PR, Brazil 2 PhD in Surgical Clinics; Full Professor of Urology, Hospital de Clínicas, UFPR, Curitiba, PR, Brazil 3 PhD Student in Surgical Clinics; Substitute Professor of Urology, Hospital de Clínicas, UFPR, Curitiba, PR, Brazil 4 Pathology Intern, Hospital de Clínicas, UFPR, Curitiba, PR, Brazil 5 PhD in...

Malakoplakia is a pseudogranulomatous disorder secondary to an still unknown de - feet in some stages of phagocytosis.  We have reported a 3 year-old girl afflicted with this defect, who was admit­ted to Loghman Hospital' Pediatrics Department with severe pallor, abdominal mass and loonstanding history of dysentery prior to hospitalisation. Inconclusive clinical and B.M. Investigations rendered...