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Infantile myofibromatosis: a cause of leg length discrepancy
Luz Orozco-Covarrubias1, Yaara Soriano-Hernández, Carola Durán-McKinster
1Department of Dermatology, National Institute of Pediatrics, Mexico City, Mexico. franciscojosea@aol.com
Insights
Infantile myofibromatosis is a rare condition presenting as nodules in infants. This case highlights self-healing tumors and a resulting leg-length discrepancy, emphasizing the need for clinical suspicion.
Area of Science:
- Pediatric Oncology
- Dermatopathology
- Developmental Biology
Background:
- Infantile myofibromatosis is a benign neoplastic proliferation of myofibroblasts.
- It can present as solitary or multiple lesions affecting various tissues.
- Early recognition is crucial for appropriate management.
Observation:
- A case report of an infant with multifocal infantile myofibromatosis is presented.
- The condition exhibited spontaneous regression (self-healing) of the cutaneous lesions.
- A significant sequela observed was a leg-length discrepancy.
Findings:
- Histopathologic examination confirmed the diagnosis of infantile myofibromatosis.
- The multifocal nature and self-healing capacity of the tumors were notable.
- Leg-length discrepancy was identified as a potential long-term complication.
Implications:
- This case underscores the importance of considering infantile myofibromatosis in infants with firm nodules.
- Awareness of potential sequelae like limb length discrepancy is vital for pediatricians.
- Prognosis and treatment strategies are contingent upon tumor extent and location.
Abstract:
An infant with self-healing, multifocal cutaneous infantile myofibromatosis with leg-length discrepancy as a sequela is reported. This condition should be suspected in infants with one or more firm or hard nodules in the skin, subcutaneous tissue, bone, muscle, or viscera. The histopathologic picture is diagnostic. Treatment and prognosis depend on the extension and location of the tumors.
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