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[Tuberculosis of the knee: MRI findings in two pediatric cases]

N Aloui1, N Nessib, C Jalel

  • 1Service de radiologie, Hôpital d'enfant de Tunis, Jabbari, Tunisie.

Journal De Radiologie
|September 18, 2003
PubMed

Insights

Osteo-articular tuberculosis is rare in infants, often presenting insidiously. MRI revealed abnormalities in bone, marrow, cartilage, and soft tissues, aiding diagnosis in two pediatric knee tuberculosis cases.

Area of Science:

  • Pediatric Radiology
  • Infectious Diseases
  • Musculoskeletal Imaging

Background:

  • Osteo-articular tuberculosis (OAT) is uncommon in infants, with limited data on knee involvement.
  • Previous studies on OAT MRI findings in older populations primarily focus on spinal tuberculosis.

Observation:

  • Two infant cases of knee osteo-articular tuberculosis are presented, despite successful vaccination.
  • Clinical presentation was insidious in one case, with normal skin tests and chest radiography.
  • MRI demonstrated suspicious osseous, medullary, cartilaginous, and soft tissue abnormalities.

Findings:

  • MRI findings were indicative of tuberculosis in both pediatric cases.
  • Histological confirmation was obtained in both cases.
  • Bacteriological confirmation was achieved in one case.

Implications:

  • This study highlights the utility of MRI in diagnosing pediatric osteo-articular tuberculosis, particularly at the knee.
  • Recognizing these MRI features is crucial for early diagnosis and management of OAT in infants.
  • Further research into infant-specific OAT presentations is warranted.

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