Congenital
melanocytic nevus (CMN) is a pigmented skin lesion common in newborns and is
known also as “birth marks”. At birth, they may manifest on any part of the
body; pose clinical dilemma; and be a source of anxiety for parents. The
clinical significance varies with size, location and risk of cancerous changes.
CMN is rare and occurs in 1% of infants at birth. We present two cases with
large nevi presented on the lower parts of the body situated on the lower limb.
Both infants presented were full term. Case 1 is a female infant born in 2014;
Case 2, a male born in 2012. Both were born without any complications, and no
family history.
In
Case 1, a well demarcated dark brown skin patch on the right lower limb
extending from the knee on dorsal aspect and posteriorly from popliteal fossa
to the ankle measuring 11.5 cm in length covering the whole lower limb with
some satellite lesion on the buttock and left elbow. Whereas, Case #2 had a
light grey to blue color patch situated on the left whole lower limb from the
knee to ankle extending from popliteal area posteriorly and from knee to ankle
anteriorly; like Case #1, measuring 12cm, there were no ulceration, no trauma,
no rogation and no bleeding. Dermatology consult was consisted with congenital
melanocytic nevus. Read more>>>>>>>>>>>>>
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