Rationale:Primary iliopsoas abscess (IPA), an uncommon clinical entity, often has no specific clinical features, and advanced imaging techniques are often required for diagnosis.Patient Concerns:We successfully treated 3 patients with primary IPA complicated by rapid development of septic shock within 2 months.Diagnosis:All patients were in shock at the time of admission and were diagnosed with primary IPA by history, clinical examination and imaging findings.Interventions:All patients were treated by surgical drainage and sensitive antibiotics based on culture results.Outcomes:The patients eventually recovered and were discharged within 2 months.Lessons:An IPA may not be diagnosed in a timely manner because it has no specific symptoms or signs. Therefore, special attention must be given to patients with sudden onset of abdominal pain, hip pain, or high fever without an obvious cause, a primary IPA should be highly suspected in such patients.

Background: The aim of our study was to compare the clinical effect of short dynamic hip screw (DHS) combined with fibula bone graft and short DHS combined with cannulated screws (CS) on the treatment of femoral neck fracture in young adults.Methods: Thirty-five Pauwels type III femoral neck fracture patients between January 2014 and May 2019 were divided into two groups: group A (patients treated with DHS combined with fibula bone graft) and group B (patient treated with DHS combined with CS). The operative time, intraoperative blood loss, fracture healing time and complication of two groups were recorded.Results: There were no significant differences in operative time, intraoperative blood loss in two groups.Fracture healing time in group A (5.28±1.07) was significantly shorter than group B (7.31±1.65). The rate of fracture nonunion (0), femoral head necrosis (0) and withdrawal rate (0) in group A were significantly lower than that in group B (4, 23.5) (4, 23.5) (6, 35.3) (P<0.01). Postoperative Harris function score in group A (95.44±2.57) was higher than group B (87.82±7.79) (P<0.01).Conclusions: DHS combined with fibula bone graft can shorten the healing time of fracture, reduce the rate of bone nonunion and femoral head necrosis, and provide a new treatment method for Pauwels type III femoral neck fracture in young adults.

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