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Year : 2015  |  Volume : 6  |  Issue : 3  |  Page : 217-219

Tumor with the features of both squamous cell carcinoma and melanoma (melanocarcinoma)

1 New York College of Osteopathic Medicine, NY, USA
2 Ackerman Academy of Dermatopathology, NY, USA
3 Mayo Clinic Arizona, Scottsdale, AZ, USA

Correspondence Address:
Dr. Viktoryia Kazlouskaya
Ackerman Academy of Dermatopathology, 145 E32 street, 10th Floor, 10016 NY
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2229-5178.156422

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Combined tumors of malignant melanoma (MM) and squamous cell carcinoma (SCC) are extremely rare and have unknown biological potential. Different theories of their development, including collision and dual/divergent differentiation, are proposed. Although some observations suggest an indolent course for such tumors, a case of MM metastasis was reported in a patient who initially presented with a combined MM-SCC tumor. Re-excisions of such tumors may show MM in situ and should be treated accordingly. Herein we present another case of a combined MM-SCC tumor in a 78 male patient with lentigo maligna seen after complete re-excision of the tumor.

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