Deep penetrating nevus.

  title={Deep penetrating nevus.},
  author={J A Seab and Jove H Graham and Elson B. Helwig},
  journal={The American journal of surgical pathology},
  volume={13 1},
We report a clinical and histologic study of 70 patients, each with a single melanocytic lesion termed "deep penetrating nevus" (DPN). The lesions are most commonly found on the face, upper trunk, or proximal extremities of patients between the ages of 10 and 30 years. Typically they are darkly pigmented. Histologically they are characterized by loosely organized nests of pleomorphic pigmented cells that penetrate deep into the reticular dermis and often to the subcutaneous fat. Follow-up was… CONTINUE READING

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