Which tumor is the most common in pediatric patients?

Hemangiomas are indeed the most common tumors encountered in pediatric patients. These benign vascular tumors often present in infancy and are characterized by rapid growth followed by eventual involution. They can occur in various locations, most commonly on the skin, but also in deeper tissues and organs.

Osteosarcoma, while prevalent as a malignant bone tumor in adolescents, is less common overall compared to hemangiomas. Similarly, neuroblastoma and retinoblastoma, although significant pediatric tumors, have lower incidence rates. Neuroblastoma primarily affects infants and young children and arises from neural crest tissue, while retinoblastoma is a specific eye cancer that occurs in children. Therefore, hemangiomas stand out as the most frequently diagnosed tumors in the pediatric population due to their higher incidence and benign nature.