When a Freckle May Not Be a Freckle: A Case of Lentigo Maligna

雀斑有时可能并非雀斑:恶性雀斑痣病例

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Abstract

Lentigo maligna (LM) is a subtype of melanoma that typically arises in chronically sun-exposed skin. A case of LM arising on the right malar cheek of a 51-year-old male patient is presented herein. Clinically, the patient's lesion appeared benign and lacked overt features of malignancy. Dermoscopic evaluation, however, revealed asymmetric pigmentation concerning for malignancy. A biopsy was subsequently performed, confirming the diagnosis of LM. This case highlights the importance of incorporating dermoscopy into the routine evaluation of pigmented lesions, as reliance on clinical inspection alone may result in misclassification and inappropriate management.

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