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Rev. chil. radiol ; 22(4): 171-183, 2016. ilus
Article in Spanish | LILACS | ID: biblio-844624

ABSTRACT

Abstract: Introduction. Ankylosing spondyloarthritis (AS) is the most common and representative of seronegative spondyloarthropathy. It is characterised by chronic inflammation of the axial skeleton, leading to chronic back pain and progressive stiffness. It typically occurs in young patients, with symptoms often appearing with peak onset between 20 and 30 years of age, and is strongly associated with human leukocyte antigen B-27 (HLA B-27). Current imaging techniques are central in the management of these patients. The recognition of its classic imaging findings and its complications is essential for radiologists. Objectives. To present a pictorial review of the spinal imaging findings in patients with AS. Methods and materials. An analysis will be made of the spinal imaging findings in conventional radiography, CT and MRI in multiple patients from our medical centre. The most representative findings, complications, differential diagnoses, and some radiological key points will be shown.


Resumen: Introducción. La espondilitis anquilosante (EA) es la artropatía seronegativa más común y representativa. Se caracteriza por inflamación crónica del esqueleto axial, dolor referido a la columna vertebral de tipo inflamatorio y rigidez progresiva. Típicamente se manifiesta en pacientes jóvenes que inician su sintomatología entre los 20-30 años de edad y está ligada al antígeno leucocitario humano B-27 (HLA B-27). Las imágenes son fundamentales en el manejo de estos pacientes. Es deber del radiólogo reconocer los hallazgos imagenológicos presentes. Objetivos. Realizar una revisión pictográfica de hallazgos imagenológicos presentes en la columna vertebral de pacientes portadores de EA. Material y método. Análisis de las manifestaciones imagenológicas de columna más representativas de la EA en pacientes de nuestro centro en radiografía convencional, TC y RM, junto con posibles complicaciones y diagnósticos diferenciales.


Subject(s)
Humans , Spondylarthritis/diagnosis , Spondylarthritis/diagnostic imaging , Spondylitis, Ankylosing/diagnosis , Spondylitis, Ankylosing/diagnostic imaging , Diagnosis, Differential , Magnetic Resonance Imaging , Spondylarthritis/complications , Spondylitis, Ankylosing/complications , Tomography, X-Ray Computed
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