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The FP considered several possibilities as part of the differential diagnosis: compound nevus, Spitz nevus, dysplastic nevus, fibrous papule, angiokeratoma, and amelanotic melanoma. A shave biopsy identified the lesion as a Spitz nevus.
Spitz nevi are uncommon solitary pink to black colored dome-shaped papules that usually appear in the first 2 decades of life. They have features that are histologically similar to melanoma and some may, in fact, be Spitzoid melanomas. When a Spitz nevus is suspected, the lesion should be biopsied for histopathologic diagnosis. If the diagnosis is confirmed, the typical treatment is to perform a complete excision with clear margins.
In this case, the pathologist noted that the deep margin was positive and recommended a conservative re-excision. The patient was sent to a dermatologist who fully excised the lesion with no complications.
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 FP considered several possibilities as part of the differential diagnosis: compound nevus, Spitz nevus, dysplastic nevus, fibrous papule, angiokeratoma, and amelanotic melanoma. A shave biopsy identified the lesion as a Spitz nevus.
Spitz nevi are uncommon solitary pink to black colored dome-shaped papules that usually appear in the first 2 decades of life. They have features that are histologically similar to melanoma and some may, in fact, be Spitzoid melanomas. When a Spitz nevus is suspected, the lesion should be biopsied for histopathologic diagnosis. If the diagnosis is confirmed, the typical treatment is to perform a complete excision with clear margins.
In this case, the pathologist noted that the deep margin was positive and recommended a conservative re-excision. The patient was sent to a dermatologist who fully excised the lesion with no complications.
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 FP considered several possibilities as part of the differential diagnosis: compound nevus, Spitz nevus, dysplastic nevus, fibrous papule, angiokeratoma, and amelanotic melanoma. A shave biopsy identified the lesion as a Spitz nevus.
Spitz nevi are uncommon solitary pink to black colored dome-shaped papules that usually appear in the first 2 decades of life. They have features that are histologically similar to melanoma and some may, in fact, be Spitzoid melanomas. When a Spitz nevus is suspected, the lesion should be biopsied for histopathologic diagnosis. If the diagnosis is confirmed, the typical treatment is to perform a complete excision with clear margins.
In this case, the pathologist noted that the deep margin was positive and recommended a conservative re-excision. The patient was sent to a dermatologist who fully excised the lesion with no complications.
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.
