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Diffuse infantile fibromatosis

N Kameda, T Atobe, M Akima

Acta Pathologica Japonica

|November 1, 1978

Summary

This summary is machine-generated.

A rare case of diffuse infantile fibromatosis in a 15-month-old boy

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Area of Science:

Pediatric oncology
Dermatopathology
Skeletal muscle pathology

Background:

Infantile fibromatosis is a rare soft tissue tumor affecting infants.
Rapidly growing thigh tumors can mimic malignant neoplasms.

Observation:

A 15-month-old boy presented with a rapidly growing right thigh mass.
Macroscopic examination revealed an ill-defined lesion in the vastus medialis muscle.
Histology showed fibroblast proliferation, fibrosis, inflammation, lymphoid follicles, and vascular proliferation.

Findings:

The tumor was diagnosed as diffuse infantile fibromatosis.
No recurrence was observed 1.5 years post-surgery.

Implications:

This case highlights the importance of considering benign conditions in pediatric thigh masses.
Accurate histological diagnosis is crucial for appropriate management and prognosis.