Overview
Enchondromas are benign cartilaginous tumors commonly found in the metaphyseal-diaphyseal regions of bones, particularly in the hands and feet. They are usually asymptomatic and often detected incidentally or following a pathologic fracture 1.Diagnosis
Imaging Features: Characterized by well-defined, round or oval lesions with stippled calcification on radiographs 1.
Incidental Findings: Often discovered incidentally or associated with fractures 1.
Differential Diagnoses: Includes osteochondroma, chondrosarcoma, and other calcified lesions 1.
Specific Imaging: MRI can further delineate lesion characteristics and help differentiate from other conditions 1.Management
Surgical Intervention: Indicated for symptomatic lesions, pathologic fractures, or suspected malignant transformation 2.
Observation: Asymptomatic enchondromas typically managed with regular monitoring 1.
No Specific Medications: No pharmacological treatments are standard for enchondroma management 12.Special Populations
Pediatrics: Enchondromas are more common in children and adolescents, often requiring careful monitoring for growth disturbances 1.
Elderly: Increased risk of pathologic fractures; imaging and clinical follow-up are crucial 1.Key Recommendations
Imaging for Diagnosis: Utilize radiographs and MRI for accurate diagnosis and differentiation from other lesions (Evidence: Moderate 1).
Monitor Asymptomatic Lesions: Regular clinical and imaging follow-up is recommended for asymptomatic enchondromas (Evidence: Expert opinion 1).
Surgical Consideration: Consider surgical intervention for symptomatic lesions or those with high suspicion of malignancy (Evidence: Expert opinion 2).References
1 Larbi A, Viala P, Omoumi P, Lecouvet F, Malghem J, Cyteval C et al.. Cartilaginous tumours and calcified lesions of the hand: a pictorial review. Diagnostic and interventional imaging 2013. link
2 Heidenreich WF. A jammed finger from basketball. Journal of insurance medicine (New York, N.Y.) 2001. link