Rheumatic disease mimics in childhood

Area of Science:

• Pediatrics
• Rheumatology
• Musculoskeletal Disorders

Background:

• Pediatric musculoskeletal pain has diverse etiologies, ranging from benign infections to severe skeletal pathologies.
• Accurate diagnosis is essential to differentiate common ailments from serious conditions like malignancy or skeletal dysplasias.

Purpose of the Study:

• To outline the diagnostic approach for children presenting with aches and pains.
• To emphasize the importance of recognizing conditions that mimic juvenile idiopathic arthritis.

Main Methods:

• Comprehensive patient history, including family history.
• Thorough physical examination.
• Initial laboratory investigations: erythrocyte sedimentation rate, hemoglobin, white blood cell count, platelets, rheumatoid factor, and antinuclear factor.

Main Results:

• Specific tests are indicated based on clinical suspicion.
• Bacterial infections present with fever, toxicity, and a single hot, swollen, painful joint.
• Conditions mimicking systemic juvenile arthritis include infections, inflammatory bowel disease, malignancy, and connective tissue diseases.

Conclusions:

• No child should be diagnosed with juvenile idiopathic arthritis without excluding other causes and confirming specific clinical findings.
• Early recognition of unusual syndromes and prompt investigation of suspected infections are critical for optimal outcomes.