Description: macro. Note the dark area which might raise the suspicion of melanoma. This area will appear red/ blue under the dermatoscope.

History:

Lesion on the right shin. Some haemangiomas such as this one can have dark areas within them that may suggest melanoma. These vascular areas are however red/ blue under dermatoscopy. Some haemangiomas may have white scar like areas separating the vascular spaces. When a haemangioma is involuting there may be a prominent central white scar.

Important recent article on the pathogenesis of infantile haemangiomas