248 dermoscopic images of melanocytic lesions (nevi and melanomas). The images were selected for exemplars of specific features, were contributed by 21 dermoscopy experts from around the world, and are comprised of 113 nevi and 133 melanomas (plus 1 AIMP and 1 dermatofibroma).
{ "age_approx": 85, "benign_malignant": "malignant", "concomitant_biopsy": true, "dermoscopic_type": "contact polarized", "diagnosis": "melanoma", "diagnosis_1": "Malignant", "diagnosis_2": "Malignant melanocytic proliferations (Melanoma)", "diagnosis_3": "Melanoma Invasive", "diagnosis_4": "Melanoma Invasive, Superficial spreading", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "mel_class": "invasive melanoma", "mel_mitotic_index": "0/mm^2", "mel_thick_mm": "0.40", "mel_type": "superficial spreading melanoma", "mel_ulcer": false, "melanocytic": true, "sex": "female" }
{ "age_approx": 75, "benign_malignant": "malignant", "concomitant_biopsy": true, "dermoscopic_type": "contact polarized", "diagnosis": "melanoma", "diagnosis_1": "Malignant", "diagnosis_2": "Malignant melanocytic proliferations (Melanoma)", "diagnosis_3": "Melanoma in situ", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "mel_class": "melanoma in situ", "mel_mitotic_index": "0/mm^2", "mel_thick_mm": "0.00", "mel_ulcer": false, "melanocytic": true, "sex": "female" }
{ "age_approx": 60, "benign_malignant": "malignant", "concomitant_biopsy": true, "dermoscopic_type": "contact polarized", "diagnosis": "melanoma", "diagnosis_1": "Malignant", "diagnosis_2": "Malignant melanocytic proliferations (Melanoma)", "diagnosis_3": "Melanoma in situ", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "mel_class": "melanoma in situ", "mel_thick_mm": "0.00", "melanocytic": true, "sex": "female" }
{ "benign_malignant": "benign", "concomitant_biopsy": true, "dermoscopic_type": "contact polarized", "diagnosis": "nevus", "diagnosis_1": "Benign", "diagnosis_2": "Benign melanocytic proliferations", "diagnosis_3": "Nevus", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "melanocytic": true, "sex": "female" }
{ "benign_malignant": "benign", "concomitant_biopsy": true, "dermoscopic_type": "contact polarized", "diagnosis": "nevus", "diagnosis_1": "Benign", "diagnosis_2": "Benign melanocytic proliferations", "diagnosis_3": "Nevus", "diagnosis_4": "Nevus, Combined", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "melanocytic": true, "nevus_type": "combined" }
{ "age_approx": 80, "benign_malignant": "malignant", "concomitant_biopsy": true, "dermoscopic_type": "contact polarized", "diagnosis": "melanoma", "diagnosis_1": "Malignant", "diagnosis_2": "Malignant melanocytic proliferations (Melanoma)", "diagnosis_3": "Melanoma Invasive", "diagnosis_4": "Melanoma Invasive, Superficial spreading", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "mel_class": "invasive melanoma", "mel_thick_mm": "0.40", "mel_type": "superficial spreading melanoma", "melanocytic": true, "sex": "female" }
{ "age_approx": 40, "benign_malignant": "malignant", "concomitant_biopsy": true, "dermoscopic_type": "contact polarized", "diagnosis": "melanoma", "diagnosis_1": "Malignant", "diagnosis_2": "Malignant melanocytic proliferations (Melanoma)", "diagnosis_3": "Melanoma Invasive", "diagnosis_4": "Melanoma Invasive, Superficial spreading", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "mel_class": "invasive melanoma", "mel_mitotic_index": "0/mm^2", "mel_thick_mm": "0.70", "mel_type": "superficial spreading melanoma", "mel_ulcer": false, "melanocytic": true, "sex": "female" }
{ "age_approx": 65, "benign_malignant": "malignant", "concomitant_biopsy": true, "dermoscopic_type": "contact polarized", "diagnosis": "melanoma", "diagnosis_1": "Malignant", "diagnosis_2": "Malignant melanocytic proliferations (Melanoma)", "diagnosis_3": "Melanoma Invasive", "diagnosis_4": "Melanoma Invasive, Superficial spreading", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "mel_class": "invasive melanoma", "mel_mitotic_index": "0/mm^2", "mel_thick_mm": "0.55", "mel_type": "superficial spreading melanoma", "mel_ulcer": false, "melanocytic": true }
{ "age_approx": 50, "benign_malignant": "malignant", "concomitant_biopsy": true, "dermoscopic_type": "contact polarized", "diagnosis": "melanoma", "diagnosis_1": "Malignant", "diagnosis_2": "Malignant melanocytic proliferations (Melanoma)", "diagnosis_3": "Melanoma Invasive", "diagnosis_4": "Melanoma Invasive, Superficial spreading", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "mel_class": "invasive melanoma", "mel_mitotic_index": "0/mm^2", "mel_thick_mm": "0.90", "mel_type": "superficial spreading melanoma", "mel_ulcer": false, "melanocytic": true, "sex": "male" }
{ "age_approx": 55, "benign_malignant": "malignant", "concomitant_biopsy": true, "dermoscopic_type": "contact polarized", "diagnosis": "melanoma", "diagnosis_1": "Malignant", "diagnosis_2": "Malignant melanocytic proliferations (Melanoma)", "diagnosis_3": "Melanoma Invasive", "diagnosis_4": "Melanoma Invasive, Nodular", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "mel_class": "invasive melanoma", "mel_thick_mm": "1.60", "mel_type": "nodular melanoma", "melanocytic": true, "sex": "female" }
{ "benign_malignant": "malignant", "concomitant_biopsy": true, "dermoscopic_type": "contact polarized", "diagnosis": "melanoma", "diagnosis_1": "Malignant", "diagnosis_2": "Malignant melanocytic proliferations (Melanoma)", "diagnosis_3": "Melanoma Invasive", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "mel_class": "invasive melanoma", "melanocytic": true }
{ "benign_malignant": "benign", "concomitant_biopsy": false, "dermoscopic_type": "contact polarized", "diagnosis": "nevus", "diagnosis_1": "Benign", "diagnosis_2": "Benign melanocytic proliferations", "diagnosis_3": "Nevus", "diagnosis_confirm_type": "serial imaging showing no change", "image_type": "dermoscopic", "melanocytic": true }
{ "age_approx": 60, "benign_malignant": "malignant", "concomitant_biopsy": true, "dermoscopic_type": "contact polarized", "diagnosis": "melanoma", "diagnosis_1": "Malignant", "diagnosis_2": "Malignant melanocytic proliferations (Melanoma)", "diagnosis_3": "Melanoma in situ", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "mel_class": "melanoma in situ", "mel_thick_mm": "0.00", "melanocytic": true, "sex": "female" }
{ "age_approx": 25, "benign_malignant": "benign", "concomitant_biopsy": true, "dermoscopic_type": "contact polarized", "diagnosis": "nevus", "diagnosis_1": "Benign", "diagnosis_2": "Benign melanocytic proliferations", "diagnosis_3": "Nevus", "diagnosis_4": "Nevus, Recurrent or persistent", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "melanocytic": true, "nevus_type": "persistent/recurrent", "sex": "female" }
{ "benign_malignant": "benign", "concomitant_biopsy": false, "dermoscopic_type": "contact polarized", "diagnosis": "nevus", "diagnosis_1": "Benign", "diagnosis_2": "Benign melanocytic proliferations", "diagnosis_3": "Nevus", "diagnosis_confirm_type": "serial imaging showing no change", "image_type": "dermoscopic", "melanocytic": true }
{ "age_approx": 75, "benign_malignant": "malignant", "concomitant_biopsy": true, "dermoscopic_type": "contact polarized", "diagnosis": "melanoma", "diagnosis_1": "Malignant", "diagnosis_2": "Malignant melanocytic proliferations (Melanoma)", "diagnosis_3": "Melanoma in situ", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "mel_class": "melanoma in situ", "mel_thick_mm": "0.00", "melanocytic": true, "sex": "female" }
{ "age_approx": 75, "benign_malignant": "malignant", "concomitant_biopsy": true, "dermoscopic_type": "contact polarized", "diagnosis": "melanoma", "diagnosis_1": "Malignant", "diagnosis_2": "Malignant melanocytic proliferations (Melanoma)", "diagnosis_3": "Melanoma Invasive", "diagnosis_4": "Melanoma Invasive, Nodular", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "mel_class": "invasive melanoma", "mel_mitotic_index": "4/mm^2", "mel_thick_mm": "4.00", "mel_type": "nodular melanoma", "mel_ulcer": true, "melanocytic": true, "sex": "male" }
{ "age_approx": 5, "benign_malignant": "benign", "concomitant_biopsy": true, "dermoscopic_type": "contact polarized", "diagnosis": "nevus", "diagnosis_1": "Benign", "diagnosis_2": "Benign melanocytic proliferations", "diagnosis_3": "Nevus", "diagnosis_4": "Nevus, Spitz", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "melanocytic": true, "nevus_type": "spitz", "sex": "male" }
{ "benign_malignant": "benign", "concomitant_biopsy": false, "dermoscopic_type": "contact polarized", "diagnosis": "nevus", "diagnosis_1": "Benign", "diagnosis_2": "Benign melanocytic proliferations", "diagnosis_3": "Nevus", "diagnosis_confirm_type": "serial imaging showing no change", "image_type": "dermoscopic", "melanocytic": true }
{ "age_approx": 50, "benign_malignant": "malignant", "concomitant_biopsy": true, "dermoscopic_type": "contact polarized", "diagnosis": "melanoma", "diagnosis_1": "Malignant", "diagnosis_2": "Malignant melanocytic proliferations (Melanoma)", "diagnosis_3": "Melanoma Invasive", "diagnosis_4": "Melanoma Invasive, Superficial spreading", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "mel_class": "invasive melanoma", "mel_mitotic_index": "<1/mm^2", "mel_thick_mm": "0.60", "mel_type": "superficial spreading melanoma", "mel_ulcer": false, "melanocytic": true, "sex": "female" }
{ "age_approx": 80, "benign_malignant": "malignant", "concomitant_biopsy": true, "dermoscopic_type": "contact polarized", "diagnosis": "melanoma", "diagnosis_1": "Malignant", "diagnosis_2": "Malignant melanocytic proliferations (Melanoma)", "diagnosis_3": "Melanoma in situ", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "mel_class": "melanoma in situ", "mel_thick_mm": "0.00", "melanocytic": true, "sex": "male" }
{ "age_approx": 75, "benign_malignant": "malignant", "concomitant_biopsy": true, "dermoscopic_type": "contact polarized", "diagnosis": "melanoma", "diagnosis_1": "Malignant", "diagnosis_2": "Malignant melanocytic proliferations (Melanoma)", "diagnosis_3": "Melanoma in situ", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "mel_class": "melanoma in situ", "mel_thick_mm": "0.00", "melanocytic": true, "sex": "female" }
{ "benign_malignant": "benign", "concomitant_biopsy": false, "dermoscopic_type": "contact polarized", "diagnosis": "nevus", "diagnosis_1": "Benign", "diagnosis_2": "Benign melanocytic proliferations", "diagnosis_3": "Nevus", "diagnosis_confirm_type": "serial imaging showing no change", "image_type": "dermoscopic", "melanocytic": true }
{ "age_approx": 15, "benign_malignant": "benign", "concomitant_biopsy": true, "dermoscopic_type": "contact polarized", "diagnosis": "nevus", "diagnosis_1": "Benign", "diagnosis_2": "Benign melanocytic proliferations", "diagnosis_3": "Nevus", "diagnosis_4": "Nevus, Spitz", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "melanocytic": true, "nevus_type": "spitz", "sex": "male" }
{ "age_approx": 20, "benign_malignant": "benign", "concomitant_biopsy": true, "dermoscopic_type": "contact polarized", "diagnosis": "nevus", "diagnosis_1": "Benign", "diagnosis_2": "Benign melanocytic proliferations", "diagnosis_3": "Nevus", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "melanocytic": true, "nevus_type": "nevus NOS", "sex": "male" }