fibrous hamartoma of infancy

fi·brous ham·ar·to·ma of in·fan·cy

a tumor appearing usually in the upper arm or shoulder in the first 2 years of life and consists of cellular fibrous tissue infiltrating the subcutis.

fibrous hamartoma of infancy

a benign, nonencapsulated tumor, sometimes present at birth but usually appearing during the first year of life, most frequently in the shoulder, axilla, or upper arm. It is a firm, painless, skin-colored nodule composed of well-defined fibrous trabeculae, immature mesenchymal tissue, and mature adipose cells; invasion of the surrounding subcutaneous tissue frequently occurs.

fibrous hamartoma of infancy

A tumour-like lesion seen in axillary or inguinal regions of infants and young children, more commonly in boys. It is usually solitary; does not regress, but rarely recurs.
References in periodicals archive ?
Other cutaneous and subcutaneous lesions that are considered in the differential diagnosis include leiomyoma, hemangiopericytoma, fibrous hamartoma of infancy, cutaneous inflammatory pseudotumor, desmoid tumor, nodular fasciitis, plexiform fibrohistioeytic tumor, neurofibroma, and dermatomyofibroma.
A case of fibrous hamartoma of infancy and a review of the Japanese literature [in Japanese].