Abstract
Background Papillary endothelial hyperplasia (PEH) is a reactive pseudoneoplastic proliferation of endothelial cells. They are typically well-circumscribed, indolent lesions and curable by complete excision. Description: We present a four-year-old girl with post traumatic scalp swelling, clinically considered to be a capillary hemangioma. Computed tomography revealed a 3.3 × 1.5 cm scalp mass with erosion of outer table and diploic space of the occipital calvarial bone, suggesting a vascular or soft tissue tumor. Histologically it was a PEH within a hemangioma. Literature Review: PEH presenting as a scalp swelling with bone erosion has only been reported thrice in the literature. Conclusion: Scalp PEH with skull bone defect can affect the pediatric age group. Bone erosion is not stage dependent; it can occur in the early stages.
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