title: Psoas abscess after operation on lumbar spine.
abstract: A case of pyogenic psoas abscess is reported. It was found many years after lumbar spine operation, although the patient had confusing symptoms during the whole period. The last presenting symptoms were fever, chills, back pain, and hematuria. Ultrasonography provided conclusive information about the abscess.
mesh_terms: D000038:Abscess / Q000175:diagnosis / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009135:Muscular Diseases / Q000175:diagnosis / Q000209:etiology*; D011183:Postoperative Complications / Q000175:diagnosis; D013123:Spinal Fusion / Q000009:adverse effects*; D013997:Time Factors; D014463:Ultrasonography