Overview
Periosteal fibroma, often discussed in the context of pachydermoperiostosis (PDP), is a rare disorder characterized by thickening of the skin (pachydermia), periostosis (abnormal bone growth), and acral changes such as digital clubbing. The association with other syndromes like SAPHO (Synovitis, Acne, Pustulosis, Hyperostosis, Osteitis) syndrome highlights potential overlapping pathophysiological mechanisms 1.Diagnosis
Clinical Features: Digital clubbing, polyarthralgia, ostealgia, pachydermia, and acne 1.
Imaging: Radiographic evidence of periostosis and bone changes 12.
Differential Diagnosis: Distinguishing from other causes of periostosis and osteoarthritic conditions 1.Management
Supportive Care: Pain management and physical therapy for musculoskeletal symptoms 3.
Symptomatic Treatment: Addressing dermatological manifestations with appropriate topical or systemic therapies 1.
Monitoring: Regular follow-up to monitor disease progression and complications 3.Special Populations
Pediatrics: Incomplete forms may present, requiring careful monitoring and management 3.
Comorbidities: Coexistence with SAPHO syndrome may necessitate a multidisciplinary approach 1.Key Recommendations
Comprehensive Clinical Evaluation: Include dermatological and musculoskeletal assessments to diagnose PDP and associated syndromes 1 (Evidence: Moderate).
Regular Imaging Follow-Up: Utilize radiographic imaging to monitor bone changes and disease progression 12 (Evidence: Moderate).
Multidisciplinary Management: Consider involvement of dermatologists and rheumatologists for comprehensive care 1 (Evidence: Expert opinion).References
1 Feng Y, Wang A, Dong X, Li C, Yuan K, Huang G et al.. Coincidence of pachydermoperiostosis and synovitis, acne, pustulosis, hyperostosis, osteitis syndrome, a causal or casual association?. International journal of rheumatic diseases 2022. link
2 Matucci-Cerinic MI, Lombardi A, Ceruso M, Calandriello B, Grecu L, Fattorini L. Pachydermoperiostosis and acro-osteolysis. Italian journal of orthopaedics and traumatology 1988. link
3 Yu YL, Turck WP. Pachydermoperiostosis (idiopathic hypertrophic osteoarthropathy). Postgraduate medical journal 1981. link