| pubmed-article:844640 | pubmed:abstractText | Three cases of 'atypical' blue nevus presented almost identical histological findings differing from both benign cellular blue nevus and malignant blue nevus or malignant melanoma, and suggesting malignancy. Long-term follow-up--in one case 19 years--indicates that this pigmented tumor is a benign variant of blue nevus. | lld:pubmed |
