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,
"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_mitotic_index": "0/mm^2",
"mel_thick_mm": "0.40",
"mel_ulcer": false,
"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 in situ",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"mel_mitotic_index": "0/mm^2",
"mel_thick_mm": "0.00",
"mel_ulcer": false,
"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 in situ",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"mel_thick_mm": "0.00",
"melanocytic": true,
"sex": "female"
}
{
"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
}
{
"age_approx": 80,
"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": "0.40",
"melanocytic": true,
"sex": "female"
}
{
"age_approx": 40,
"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_mitotic_index": "0/mm^2",
"mel_thick_mm": "0.70",
"mel_ulcer": false,
"melanocytic": true,
"sex": "female"
}
{
"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, Superficial spreading",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"mel_mitotic_index": "0/mm^2",
"mel_thick_mm": "0.55",
"mel_ulcer": false,
"melanocytic": true
}
{
"age_approx": 50,
"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_mitotic_index": "0/mm^2",
"mel_thick_mm": "0.90",
"mel_ulcer": false,
"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_4": "Melanoma Invasive, Nodular",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"mel_thick_mm": "1.60",
"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 in situ",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"mel_thick_mm": "0.00",
"melanocytic": true,
"sex": "female"
}
{
"age_approx": 25,
"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,
"sex": "female"
}
{
"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": "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": "4.00",
"mel_ulcer": true,
"melanocytic": true,
"sex": "male"
}
{
"age_approx": 5,
"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": 50,
"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_mitotic_index": "<1/mm^2",
"mel_thick_mm": "0.60",
"mel_ulcer": false,
"melanocytic": true,
"sex": "female"
}
{
"age_approx": 80,
"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": 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": "female"
}
{
"age_approx": 15,
"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"
}