Infantile hemangiopericytoma (HPC) is an uncommon tumor that arises from Zimmermann pericytes. It occurs before 12 months of age and may be present at birth, so intrauterine detection by sonography is possible. These solid, vascular neoplasms typically occur in the subcutaneous tissues of the head and neck and follow a benign course. Diagnosis of infantile HPC must be made by histology, and surgical resection is the most common method of treatment.
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