title: A 76-year-old man with progressive lower back pain and right thigh swelling.
authors: Division of Intensive Care Unit, Department of Internal Medicine, Taichung Veterans General Hospital, Taichung, Taiwan.
authors: Jeng-Sen
authors: JS
authors: Tseng
authors: Chi-Ying
authors: CY
authors: Wu
authors: Hsiang-Fan
authors: HF
authors: Cheng
authors: Po-Sung
authors: PS
authors: Li
authors: Jian-Ri
authors: JR
authors: Li
authors: Bor-Jen
authors: BJ
authors: Lee
mesh_terms: D000368:Aged; D018450:Disease Progression; D004487:Edema / Q000209:etiology; D019115:Fasciitis, Necrotizing / Q000150:complications*; D006801:Humans; D017116:Low Back Pain / Q000209:etiology*; D008297:Male; D016659:Psoas Abscess / Q000382:microbiology*; D013290:Streptococcal Infections / Q000150:complications*