The worried parents of a seven-week-old baby boy presented with a red mark on his back. They were certain that this lesion had not been present previously. The baby was well and thriving. He was delivered vaginally after his mother had an uneventful pregnancy and had no medical problems. The baby was happy and smiling.
On his upper back there was a small (20mm x 10mm), soft, raised, dark red lesion, which appeared not to be tender to touch. There were no other skin lesions. What could be the most probable diagnosis of this condition? *This image based case is from Docplexus editorial team for educative purpose only. Source: Haymarket
