We report a case of polyarticular septic arthritis with bilateral psoas abscesses. A 50-year-old woman was admitted with fever, multiple joint swelling and pain. She had a clinical history of acupuncture therapy for treatment of her chronic lower back pain two days before the appearance of her symptoms. Methicillin-sensitive Staphylococcus aureus was isolated from blood culture, knee joint flui...

Insulin dependent diabetes mellitus predisposes to a range of different and unusual infections, including epidural and psoas abscesses. However, they occur mainly in adults with longstanding diabetes. We report the case of a 12 year old boy who presented with diabetic ketoacidosis and low back pain, and was subsequently diagnosed with both a left psoas abscess and an extensive thoracolumbar spi...

We describe the first case of a psoas muscle abscess caused by Nocardia beijingensis and subcutaneous phaeohyphomycosis caused by Phaeoacremonium parasiticum in a renal transplant recipient. The patient was treated for nocardiosis with percutaneous drainage and intravenous trimethoprim/sulfamethoxazole (TMP/SMX) combined with imipenem for 2 weeks, followed by a 4-week course of intravenous TMP/...

We report a case of thigh emphysema resulting from perforated appendicitis. The patient was an 83-year-old man who had no apparent abdominal signs and was initially misdiagnosed as having psoas abscess. Magnetic resonance imaging of the pelvis revealed appendicitis, and a barium enema showed a leakage of enhanced contrast material from the appendix region down into the thigh. A retroperitoneal ...

Their conclusion does not conform to reality and is influenced by a 1986 study that referred to most PA cases described in publications till that time.5 However, the results of that study had an important selection bias as most of the cases referred did not entail computed tomography (CT) as a diagnostic tool, which could have led to missed diagnoses of PA secondary to skeletal origin. The late...