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This study suggests that nestin is an important marker for identifying HMB-45-negative cells in nodular melanomas, particularly in the dermal parts.

This study observed that scalp melanomas in older men often grow rapidly, appear without pigment, and have more aggressive features compared to other head and neck melanomas.

Thicker melanomas and nodular types are more likely to spread to sentinel lymph nodes.

This study found that human skin expresses proenkephalin, whose expression is upregulated by environmental stress and varies in pathological conditions, increasing in psoriasis and decreasing in melanocytic tumors.

This case report describes a rare instance of melanocytic matricoma, a benign pigmented papule found in sun-damaged skin of an elderly individual, highlighting its distinct clinical and pathological features.