AMA Publishing Group: Cutaneous Vascular Malformations Topic Collection https://jamanetwork.com en-us Sat, 01 Jun 2024 00:00:00 GMT Wed, 19 Jun 2024 11:46:57 GMT Silverchair [email protected] [email protected] Red Nodule on the Scalp in a Healthy Young Man https://jamanetwork.com/journals/jamadermatology/fullarticle/2817140 Sat, 01 Jun 2024 00:00:00 GMT A man in his 40s was referred for an 8-mm red, firm, mobile nodule with irregular red lacunae and vessels and an absence of septa. What is your diagnosis? 160 6 670 671 10.1001/jamadermatol.2024.0146 2817140