The vessels in hemangioma are (CD31<sup>+</sup>, CD34<sup>+</sup>, CD8<sup>-</sup>), while in littoral cell angioma they are (CD31<sup>+</sup>, CD34<sup>-</sup>, CD8<sup>-</sup>, CD21<sup>+</sup>, CD68<sup>+</sup>). The gene discussed is PECAM1; the disease is hemangioma.