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": 60,
"anatom_site_general": "lower extremity",
"concomitant_biopsy": true,
"diagnosis_1": "Malignant",
"diagnosis_2": "Malignant melanocytic proliferations (Melanoma)",
"diagnosis_3": "Melanoma, NOS",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"melanocytic": true,
"sex": "female"
}
{
"age_approx": 40,
"anatom_site_general": "lower extremity",
"concomitant_biopsy": true,
"diagnosis_1": "Malignant",
"diagnosis_2": "Malignant melanocytic proliferations (Melanoma)",
"diagnosis_3": "Melanoma, NOS",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"melanocytic": true,
"sex": "female"
}
{
"age_approx": 20,
"anatom_site_general": "posterior torso",
"concomitant_biopsy": false,
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_confirm_type": "serial imaging showing no change",
"image_type": "dermoscopic",
"melanocytic": true,
"sex": "male"
}
{
"age_approx": 40,
"anatom_site_general": "posterior torso",
"concomitant_biopsy": false,
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_confirm_type": "single image expert consensus",
"image_type": "dermoscopic",
"melanocytic": true,
"sex": "male"
}
{
"age_approx": 40,
"anatom_site_general": "lower extremity",
"concomitant_biopsy": true,
"diagnosis_1": "Malignant",
"diagnosis_2": "Malignant melanocytic proliferations (Melanoma)",
"diagnosis_3": "Melanoma, NOS",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"melanocytic": true,
"sex": "female"
}
{
"age_approx": 80,
"anatom_site_general": "head/neck",
"concomitant_biopsy": true,
"diagnosis_1": "Malignant",
"diagnosis_2": "Malignant melanocytic proliferations (Melanoma)",
"diagnosis_3": "Melanoma, NOS",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"melanocytic": true,
"sex": "male"
}
{
"age_approx": 75,
"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_thick_mm": "0.00",
"melanocytic": true,
"sex": "male"
}
{
"age_approx": 65,
"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_mitotic_index": "2/mm^2",
"mel_thick_mm": "2.40",
"mel_ulcer": false,
"melanocytic": true,
"sex": "female"
}
{
"age_approx": 60,
"anatom_site_general": "posterior torso",
"concomitant_biopsy": true,
"diagnosis_1": "Malignant",
"diagnosis_2": "Malignant melanocytic proliferations (Melanoma)",
"diagnosis_3": "Melanoma, NOS",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"melanocytic": true,
"sex": "male"
}
{
"age_approx": 20,
"anatom_site_general": "posterior torso",
"concomitant_biopsy": true,
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"melanocytic": true,
"sex": "male"
}
{
"age_approx": 20,
"anatom_site_general": "upper extremity",
"concomitant_biopsy": true,
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"melanocytic": true,
"sex": "female"
}
{
"age_approx": 60,
"anatom_site_general": "posterior torso",
"concomitant_biopsy": true,
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"melanocytic": true,
"sex": "female"
}
{
"age_approx": 70,
"anatom_site_general": "posterior torso",
"concomitant_biopsy": true,
"diagnosis_1": "Malignant",
"diagnosis_2": "Malignant melanocytic proliferations (Melanoma)",
"diagnosis_3": "Melanoma, NOS",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"melanocytic": true,
"sex": "female"
}
{
"age_approx": 75,
"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_mitotic_index": "4/mm^2",
"mel_thick_mm": "3.50",
"mel_ulcer": true,
"melanocytic": true,
"sex": "male"
}
{
"age_approx": 30,
"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_thick_mm": "0.40",
"melanocytic": true,
"sex": "female"
}
{
"age_approx": 70,
"anatom_site_general": "posterior torso",
"concomitant_biopsy": true,
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"melanocytic": true,
"sex": "female"
}
{
"age_approx": 75,
"concomitant_biopsy": true,
"dermoscopic_type": "contact non-polarized",
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"melanocytic": true,
"sex": "male"
}
{
"age_approx": 75,
"concomitant_biopsy": false,
"dermoscopic_type": "contact polarized",
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_confirm_type": "single image expert consensus",
"image_type": "dermoscopic",
"melanocytic": true,
"sex": "male"
}
{
"age_approx": 85,
"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_mitotic_index": ">4/mm^2",
"mel_thick_mm": "4.80",
"mel_ulcer": true,
"melanocytic": true,
"sex": "male"
}
{
"age_approx": 65,
"concomitant_biopsy": true,
"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_mitotic_index": "1/mm^2",
"mel_thick_mm": "0.45",
"mel_ulcer": false,
"melanocytic": true,
"sex": "male"
}
{
"age_approx": 5,
"concomitant_biopsy": false,
"dermoscopic_type": "contact non-polarized",
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, Spitz",
"diagnosis_confirm_type": "single image expert consensus",
"image_type": "dermoscopic",
"melanocytic": true,
"sex": "female"
}
{
"age_approx": 60,
"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_thick_mm": "2.60",
"melanocytic": true,
"sex": "male"
}
{
"age_approx": 70,
"concomitant_biopsy": true,
"dermoscopic_type": "contact non-polarized",
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"melanocytic": true,
"sex": "male"
}
{
"age_approx": 25,
"concomitant_biopsy": true,
"dermoscopic_type": "contact non-polarized",
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"melanocytic": true,
"sex": "female"
}
{
"age_approx": 20,
"concomitant_biopsy": true,
"dermoscopic_type": "contact non-polarized",
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"melanocytic": true,
"sex": "female"
}
{
"age_approx": 50,
"concomitant_biopsy": true,
"dermoscopic_type": "contact non-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_mitotic_index": "0/mm^2",
"mel_thick_mm": "0.25",
"mel_ulcer": false,
"melanocytic": true,
"sex": "male"
}
{
"age_approx": 45,
"concomitant_biopsy": true,
"dermoscopic_type": "contact non-polarized",
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"melanocytic": true,
"sex": "female"
}
{
"age_approx": 30,
"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,
"sex": "male"
}
{
"age_approx": 55,
"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_thick_mm": "1.50",
"melanocytic": true,
"sex": "female"
}