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The physician suspected that this was a benign blue nevus because it had a regular border and was uniformly dark in color. He also recognized that melanoma is very rare at age 19. That said, it is hard to ignore a changing mole that is so black in color.
The patient wanted it removed, so a 5-mm punch biopsy was performed. (See the Watch and Learn video on punch biopsy.)
When the punch core was removed, the physician noted that the pigment was visible in the deep dermis (as expected with a blue nevus). A single suture was placed, and the patient was scheduled for follow-up in one week. The pathology report came back as a blue nevus, which is completely benign.
While many blue nevi actually appear blue because of the Tyndall effect causing the dark melanin in the deep dermis to create a blue coloration, some will appear black (as was seen in this case). On the follow-up visit, the suture was removed and the incision was healing well. The patient was reassured that this was a benign mole and was happy with the cosmetic result.
Photos and text for Photo Rounds Friday courtesy of Richard P. Usatine, MD. This case was adapted from: Smith M, Usatine R. Benign nevi. In: Usatine R, Smith M, Mayeaux EJ, et al. Color Atlas of Family Medicine. 2nd ed. New York, NY: McGraw-Hill; 2013:945-952.
To learn more about the Color Atlas of Family Medicine, see: www.amazon.com/Color-Family-Medicine-Richard-Usatine/dp/0071769641/.
You can now get the second edition of the Color Atlas of Family Medicine as an app by clicking on this link: usatinemedia.com.
The physician suspected that this was a benign blue nevus because it had a regular border and was uniformly dark in color. He also recognized that melanoma is very rare at age 19. That said, it is hard to ignore a changing mole that is so black in color.
The patient wanted it removed, so a 5-mm punch biopsy was performed. (See the Watch and Learn video on punch biopsy.)
When the punch core was removed, the physician noted that the pigment was visible in the deep dermis (as expected with a blue nevus). A single suture was placed, and the patient was scheduled for follow-up in one week. The pathology report came back as a blue nevus, which is completely benign.
While many blue nevi actually appear blue because of the Tyndall effect causing the dark melanin in the deep dermis to create a blue coloration, some will appear black (as was seen in this case). On the follow-up visit, the suture was removed and the incision was healing well. The patient was reassured that this was a benign mole and was happy with the cosmetic result.
Photos and text for Photo Rounds Friday courtesy of Richard P. Usatine, MD. This case was adapted from: Smith M, Usatine R. Benign nevi. In: Usatine R, Smith M, Mayeaux EJ, et al. Color Atlas of Family Medicine. 2nd ed. New York, NY: McGraw-Hill; 2013:945-952.
To learn more about the Color Atlas of Family Medicine, see: www.amazon.com/Color-Family-Medicine-Richard-Usatine/dp/0071769641/.
You can now get the second edition of the Color Atlas of Family Medicine as an app by clicking on this link: usatinemedia.com.
The physician suspected that this was a benign blue nevus because it had a regular border and was uniformly dark in color. He also recognized that melanoma is very rare at age 19. That said, it is hard to ignore a changing mole that is so black in color.
The patient wanted it removed, so a 5-mm punch biopsy was performed. (See the Watch and Learn video on punch biopsy.)
When the punch core was removed, the physician noted that the pigment was visible in the deep dermis (as expected with a blue nevus). A single suture was placed, and the patient was scheduled for follow-up in one week. The pathology report came back as a blue nevus, which is completely benign.
While many blue nevi actually appear blue because of the Tyndall effect causing the dark melanin in the deep dermis to create a blue coloration, some will appear black (as was seen in this case). On the follow-up visit, the suture was removed and the incision was healing well. The patient was reassured that this was a benign mole and was happy with the cosmetic result.
Photos and text for Photo Rounds Friday courtesy of Richard P. Usatine, MD. This case was adapted from: Smith M, Usatine R. Benign nevi. In: Usatine R, Smith M, Mayeaux EJ, et al. Color Atlas of Family Medicine. 2nd ed. New York, NY: McGraw-Hill; 2013:945-952.
To learn more about the Color Atlas of Family Medicine, see: www.amazon.com/Color-Family-Medicine-Richard-Usatine/dp/0071769641/.
You can now get the second edition of the Color Atlas of Family Medicine as an app by clicking on this link: usatinemedia.com.
