although seen occasionally in newborns, its a matter of concern when some of them ulcerate, bleed or grow in size, sometimes called as malformations.. when grow in size they are better called as tumors that may need excision on priority.
scalp is an uncommon siet for hemangiomas. strawberry hemangiomas like this are usually at multiple sites. canvernous hemangiomas usally have colour matching with surrounding tissue, but swelling and spongy feeling is obvious.
strawberry hemangiomas http://www.thebeautytips.com/beauty/skin-disorders/strawberry-hemangioma.htm
Giant cavernous hemangioma of the scalp http://www.ncbi.nlm.nih.gov/pubmed/10194850
Cherry hemangioma in the scalp http://www.anaisdedermatologia.org.br/artigo_en.php?artigo_id=108
Huge, alarming congenital hemangioma of the scalp presenting as heart failure and Kasabach-Merritt syndrome: a case report. Eur J Pediatr. 2007 Jun;166(6):619-20. Epub 2006 Aug 26
Kasabach-Merritt syndrome (KMS) growing hemangioma with consumptive thrombocytopenia http://www.emedicine.com/MED/topic1221.htm
PHACE syndrome (Posterior fossa malformations, Hemangiomas, Arterial anomalies, Coarctation of the aorta and other cardiac defects, and Eye abnormalities)
Sturger Weber syndrome and facial hemangioma
one may read more at http://www.craniofacialcenter.com/book/hemifacial/hemifacial3.htm
http://www.emedicine.com/plastic/TOPIC469.HTM