Early Symptoms of Subungual Melanoma
Subungual melanoma most commonly affects the left thumb, with approximately two-thirds of cases occurring subungually. Initial symptoms include longitudinal splitting of the nail plate followed by progressive darkening. Malignant proliferation manifests as a brownish-black nodule, which may ulcerate, destroy the nail plate, and discharge serosanguineous fluid. Below, we address the question: What are the early signs of subungual melanoma?

Early Symptoms of Subungual Melanoma
Subungual melanoma typically presents with early signs such as pigmented macules, ulceration, and bleeding. Surgical excision is generally required for treatment.
Subungual melanoma is a malignant neoplasm that develops beneath the nail plate. It is commonly associated with chronic ultraviolet (UV) radiation exposure or genetic predisposition. Repeated UV exposure to the nail region can stimulate local skin cells, thereby increasing the risk of subungual melanoma. Moreover, if one parent has a history of subungual melanoma, their children face a several-fold higher risk of developing the disease compared with the general population.
In its early stage, subungual melanoma usually appears as a pigmented macule, which progressively enlarges and evolves into a melanoma. As the disease advances, the tumor may develop ulceration and bleeding. Upon noticing any suspicious signs suggestive of subungual melanoma, patients should promptly seek evaluation at a reputable medical institution and undergo surgical resection of the lesion to prevent disease progression and safeguard their life.
Patients should consistently practice sun protection, including appropriate protective measures when outdoors.
The above outlines the early symptoms of subungual melanoma. We hope this information is helpful to you.