Found on the back of a child, the biopsy proved the lesion to be benign. Partially resected giant congenital nevus. These lesions may develop melanoma, hence the drastic surgery. In many cases, patients ask the physician to evaluate a pigmented lesions because of fear of malignancy. The physician must decide whether or not a biopsy is warranted.
Excisional biopsy followed by histopathological examination is frequently the appropriate procedure.
No melanocytic lesions should be removed or destroyed without histopathological confirmation of its benignancy. In any case, when the diagnosis of benign melanocytic nevus is in doubt, surgical excision is the procedure of choice. Dermatofibroma Dermatofibromas are relatively common nodules which may appear on any part of the body surface, but most commonly on the legs. They are dark brown, red, or yellowish nodules which are fixed to the skin surface and freely moveable over the subcutaneous tissue. Lateral compression produces the characteristic dimple sign.