Psoas abscess with associated septic arthritis of the hip in infants

Enbo Wang1, Lili Ma, Eric W Edmonds

  • 1Department of Pediatric Orthopaedics, Shengjing Hospital, China Medical University, Shenyang, 110004, China.

Insights

Concurrent psoas abscess and septic hip arthritis in infants are rare. Early diagnosis and treatment are crucial to prevent long-term hip deformity, with MRI aiding identification.

Area of Science:

  • Pediatric Infectious Diseases
  • Pediatric Orthopedics
  • Medical Imaging

Background:

  • Psoas abscess and septic hip arthritis are serious infections in infants.
  • Concurrent presentation is exceptionally rare, particularly in early infancy.
  • Delayed diagnosis can lead to severe complications and long-term sequelae.

Observation:

  • Two cases of concurrent psoas abscess and septic hip arthritis in infants aged 3 and 7 months are presented.
  • Common clinical signs included inguinal mass, irritable hip, and delayed treatment.
  • One infant experienced a delayed diagnosis of septic hip arthritis.

Findings:

  • Both infants developed residual hip deformity following treatment.
  • The concurrent pathology is hypothesized to result from infectious spread due to delayed diagnosis.
  • This study reports the first known cases of this dual infection in infancy.

Implications:

  • Magnetic resonance imaging (MRI) is a valuable tool for diagnosing these concurrent conditions.
  • Prompt recognition and management are essential to improve outcomes in infants.
  • Understanding the proposed etiologic mechanism may guide future diagnostic and therapeutic strategies.

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