[Emphysematous cystitis in an 87 year old man].

Emphysematous cystitis is a complicated form of urinary tract infection, characterized by the presence of air inside the wall and in the light of the bladder, affecting more diabetics, elderly and immunosuppressed. The microorganisms that most frequently cause this entity are Escherichia coli and Klebsiella pneumoniae. Its treatment is based on broad-spectrum antibiotics, bladder catheterization and partial or total cystectomy in severe cases.