Evaluación por Imágenes de Infecciones en el Sistema Musculoesquelético

Authors

  • Claudia Astudillo A. Hospital Clínico Universidad de Chile. Centro de Imagenología. Unidad de Radiología Musculoesquelética
  • Jorge Díaz J. Hospital Clínico Universidad de Chile. Centro de Imagenología. Unidad de Radiología Musculoesquelética
  • Patricio Agurto U. Hospital Clínico Universidad de Chile. Centro de Imagenología. Unidad de Radiología Musculoesquelética

Abstract

Early diagnosis of musculoskeletal infections is important to avoid associated morbility and mortality, cronicity of the process and secuelae. Imaging plays a key role in the evaluation of patients with known or suspected musculoskeletal infection. Conventional radiograph still remains as the initial imaging approach, but it has low sensitivity and specifi city for acute infection. Magnetic resonance is highly sensitive for detection of acute osteomyelitis and septic arthritis. Computed tomography is usually reserved for guided interventional procedures and for evaluation of sinus tracts in chronic infections. Ultrasound is useful for fluid detection in joints and soft tissues but limited in bone assessment. Nuclear medicine, with the different radiotracers currently available, is highly sensitive for the diagnosis of acute osteomyelitis.

Keywords:

Enfermedades Musculoesqueléticas, Sistema Musculoesquelético, Artritis Infecciosa/diagnóstico, Infecciones de los Tejidos Blandos/diagnóstico, Osteomielitis/diagnóstico