<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 6-month-old male infant is brought to a pediatrician by his guardian for scheduled immunizations. The boy was born at 39 weeks gestation via spontaneous vaginal delivery. He is up to date on all vaccines and is meeting all developmental milestones. The infant is generally healthy; however, the guardian is concerned about multiple patches of bluish discolorations on the skin overlying the lower back and sacrum. A review of medical records indicates that these patches have been present since birth. On further review the child was placed into protective services due to neglect and abuse by his biological family. On physical examination, his vital signs are normal. The pediatrician notes the presence of multiple blue-brown patches over the lumbosacral region, buttocks, and back. These patches are soft and nontender on palpation. Which of the following is the best next step in management of the infant?? A: Reassurance, B: Topical hydrocortisone cream, C: Skin biopsy, D: Inform child protective services, E: Radiographic skeletal survey,  <response>: This is a question about the management of a 6-month-old infant with skin discolorations concerning for bruisingtrauma. The key points in the stem are:- 6-month-old male infant brought for routine immunizations - Healthy overall, meeting milestones- Concerning skin discolorations over lower backsacrum since birth- History of neglectabuse by biological family, now in protective services- Physical exam shows blue-brown patches over lumbosacral region, buttocks, back that are soft and non-tenderThe choices include reassurance, topical steroids, skin biopsy, informing child protective services, and skeletal survey. This appears to be a description of congenital dermal melanocytosis, which presents as blue mongolian spots over the lower back and buttocks. They are benign and no specific treatment is needed. The history of abuseneglect is unrelated. Since this is likely a benign finding, reassurance is the best management. Skin biopsy or steroids are unnecessary. Skeletal survey and informing child protective services are also not indicated based on the information provided.A: Reassurance 