A collection of 248 melanocytic lesions that were submitted by experts as exemplars for 1 out of 31 dermoscopic features (8 images per feature), and used for evaluating agreement among (unrelated) experts on (1) malignancy, (2) feature presence, and (3) feature localization within a lesion. The repository of image masks and superpixel annotations is here:
https://github.com/ISIC-Research/expert-annotation-agreement-data
{ "age_approx": 85, "benign_malignant": "malignant", "concomitant_biopsy": true, "dermoscopic_type": "contact polarized", "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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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_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" }