melanotic ulcer Polipoid mass with tip ulceration in the stomach Malignant Melanoma | Springer Nature
Malignant Melanoma Springer Nature Link Nursing.56An ulcer is a local defect or excavation of the skin or mucous membrane, caused by tissue necrosis. Key point: Ulcers often fail to heal easily due to ongoing tissue damage. # Pigmented Lesions of the Oral Mucosa Pocket Dentistry Melanocytic nevi and malignant melanoma Medizinonline
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