Dedifferentiated melanoma is a particular form of malignant melanoma with a progressive worsening of the patient's clinical outcome. It is well known that melanoma can assume different histo-morphological patterns, to which specific genetic signatures correspond, sometimes but not always. In this review we address the diagnostic difficulties in correctly recognizing this entity, discuss the major differential diagnoses of interest to the dermatopathologist, and conduct a review of the literature with particular attention and emphasis on the latest molecular discoveries regarding the dedifferentiation/undifferentiation mechanism and more advanced therapeutic approaches.
Dedifferentiated Melanoma: A Diagnostic Histological Pitfall! Review of the Literature with Case Presentation
Gerardo Cazzato
;Paolo Romita;Caterina Foti;Francesca Arezzo;Vera LOIZZI;gennaro cormio;Leonardo Resta;Giuseppe INGRAVALLO
2021-01-01
Abstract
Dedifferentiated melanoma is a particular form of malignant melanoma with a progressive worsening of the patient's clinical outcome. It is well known that melanoma can assume different histo-morphological patterns, to which specific genetic signatures correspond, sometimes but not always. In this review we address the diagnostic difficulties in correctly recognizing this entity, discuss the major differential diagnoses of interest to the dermatopathologist, and conduct a review of the literature with particular attention and emphasis on the latest molecular discoveries regarding the dedifferentiation/undifferentiation mechanism and more advanced therapeutic approaches.| File | Dimensione | Formato | |
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dermatopathology-08-00051-dedifferentia ....pdf
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