A Case of Malignant Transformation of Solitary Recurrent Cylindroma on Scalp
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A 78-year-old male presented with an asymptomatic pinkish multi-nodular mass on hisfrontal scalp. The lesion had recurred twice after incomplete surgical excision. Initial punchbiopsy was diagnosed with cylindroma. He revisited after one year with exophytic enlarge-ment of the mass, and two staged Mohs micrographic surgery identified well-differentiatedmalignant cylindroma. Histopathology in the lower dermis and periosteal layer showedatypical cells with mitosis and hyperchromatic nucleoli with increased Ki-67 index of 10%to 30%. The postoperative wound was successfully treated with negative wound pressuretherapy (NPWT) and secondary intentional healing. We report this case showing malignanttransformation of solitary cylindroma, and good result for secondary intention healing us-ing NPWT for postoperative defect
Abstract
A 78-year-old male presented with an asymptomatic pinkish multi-nodular mass on hisfrontal scalp. The lesion had recurred twice after incomplete surgical excision. Initial punchbiopsy was diagnosed with cylindroma. He revisited after one year with exophytic enlarge-ment of the mass, and two staged Mohs micrographic surgery identified well-differentiatedmalignant cylindroma. Histopathology in the lower dermis and periosteal layer showedatypical cells with mitosis and hyperchromatic nucleoli with increased Ki-67 index of 10%to 30%. The postoperative wound was successfully treated with negative wound pressuretherapy (NPWT) and secondary intentional healing. We report this case showing malignanttransformation of solitary cylindroma, and good result for secondary intention healing us-ing NPWT for postoperative defect
참고문헌 (10)
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