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The FP thought the flat lesion (arrow) might be a nevus sebaceous (NS) and that the new area could be a malignant transformation.
The FP explained that a biopsy would be needed to learn more about the lesion. He explained that he would remove the area that was friable and bleeding along with part of the original flat lesion. After injecting the area with 1% lidocaine and epinephrine, a shave biopsy was performed using a DermaBlade. (See the Watch & Learn video on “Shave biopsy.”) The bleeding was stopped using aluminum chloride in water and some electrosurgery. The pathology results revealed syringocystadenoma papilliferum growing within an NS. This benign tumor is rare, but may develop within an NS.
The FP reassured the family that there was no skin cancer. The FP also referred the patient for full removal of the NS and any remnant of the syringocystadenoma papilliferum to avoid future growth and prevent additional bleeding.
Photos and text for Photo Rounds Friday courtesy of Richard P. Usatine, MD. This case was adapted from: Smith M. Epidermal nevus and nevus sebaceous. In: Usatine R, Smith M, Mayeaux EJ, et al. Color Atlas of Family Medicine, 2nd ed. New York, NY: McGraw-Hill; 2013:958-962.
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 thought the flat lesion (arrow) might be a nevus sebaceous (NS) and that the new area could be a malignant transformation.
The FP explained that a biopsy would be needed to learn more about the lesion. He explained that he would remove the area that was friable and bleeding along with part of the original flat lesion. After injecting the area with 1% lidocaine and epinephrine, a shave biopsy was performed using a DermaBlade. (See the Watch & Learn video on “Shave biopsy.”) The bleeding was stopped using aluminum chloride in water and some electrosurgery. The pathology results revealed syringocystadenoma papilliferum growing within an NS. This benign tumor is rare, but may develop within an NS.
The FP reassured the family that there was no skin cancer. The FP also referred the patient for full removal of the NS and any remnant of the syringocystadenoma papilliferum to avoid future growth and prevent additional bleeding.
Photos and text for Photo Rounds Friday courtesy of Richard P. Usatine, MD. This case was adapted from: Smith M. Epidermal nevus and nevus sebaceous. In: Usatine R, Smith M, Mayeaux EJ, et al. Color Atlas of Family Medicine, 2nd ed. New York, NY: McGraw-Hill; 2013:958-962.
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 thought the flat lesion (arrow) might be a nevus sebaceous (NS) and that the new area could be a malignant transformation.
The FP explained that a biopsy would be needed to learn more about the lesion. He explained that he would remove the area that was friable and bleeding along with part of the original flat lesion. After injecting the area with 1% lidocaine and epinephrine, a shave biopsy was performed using a DermaBlade. (See the Watch & Learn video on “Shave biopsy.”) The bleeding was stopped using aluminum chloride in water and some electrosurgery. The pathology results revealed syringocystadenoma papilliferum growing within an NS. This benign tumor is rare, but may develop within an NS.
The FP reassured the family that there was no skin cancer. The FP also referred the patient for full removal of the NS and any remnant of the syringocystadenoma papilliferum to avoid future growth and prevent additional bleeding.
Photos and text for Photo Rounds Friday courtesy of Richard P. Usatine, MD. This case was adapted from: Smith M. Epidermal nevus and nevus sebaceous. In: Usatine R, Smith M, Mayeaux EJ, et al. Color Atlas of Family Medicine, 2nd ed. New York, NY: McGraw-Hill; 2013:958-962.
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.
