Infantile myofibromatosis

Margarita Larralde1,2, Bruno Ferrari1, Juan Pablo Martinez1

  • 1Pediatric Dermatology Section, Hospital Ramos Mejía, Buenos Aires, Argentina.

Insights

Infantile myofibromatosis, a common childhood fibrous tumor, can affect skin and bone. A newborn with this condition responded well to vinblastine and methotrexate treatment.

Area of Science:

  • Pediatric Oncology
  • Dermatopathology
  • Skeletal Dysplasias

Background:

  • Infantile myofibromatosis is the most common fibrous tumor in childhood.
  • It is a mesenchymal disorder involving fibrous proliferation in various tissues.
  • This condition can manifest in the skin, bone, muscle, and viscera.

Observation:

  • A case report of a newborn presenting with infantile myofibromatosis.
  • The newborn exhibited involvement of the skin and bone.
  • Importantly, there was no visceral organ involvement.

Findings:

  • The newborn demonstrated a positive therapeutic response to a combination of vinblastine and methotrexate.
  • This suggests potential efficacy of chemotherapy in specific presentations of infantile myofibromatosis.
  • The case highlights a non-visceral form of the disease.

Implications:

  • This case contributes to understanding the clinical spectrum of infantile myofibromatosis.
  • It underscores the importance of considering chemotherapy in managing non-visceral infantile myofibromatosis.
  • Further research into targeted therapies for infantile myofibromatosis is warranted.

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