A 25-year-old red-haired patient noticed enlargement and inflammatory changes around a nevus on his right shin after intense sun exposure. Examination of the biopsy specimen allowed establishing the diagnosis of nodular melanoma. The tumor was removed together with the adjacent tissues. What pigment is a marker of the histogenetic origin of this tumor?
- A Porphyrin
- B Melanin
- C Hemosiderin
- D Hematin
- E Lipofuscin
Правильна відповідь: B. Melanin
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