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": 75,
"anatom_site_general": "anterior torso",
"concomitant_biopsy": true,
"dermoscopic_type": "contact non-polarized",
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, Congenital",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": false,
"image_type": "dermoscopic",
"melanocytic": true,
"patient_id": "IP_7856380",
"personal_hx_mm": false,
"sex": "female"
}
{
"age_approx": 65,
"anatom_site_general": "lower extremity",
"concomitant_biopsy": true,
"dermoscopic_type": "contact polarized",
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, Atypical, Dysplastic, or Clark",
"diagnosis_5": "Nevus, Clark",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": false,
"image_type": "dermoscopic",
"melanocytic": true,
"patient_id": "IP_3168027",
"personal_hx_mm": true,
"sex": "female"
}
{
"age_approx": 45,
"anatom_site_general": "posterior torso",
"concomitant_biopsy": true,
"dermoscopic_type": "contact polarized",
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, Atypical, Dysplastic, or Clark",
"diagnosis_5": "Nevus, Clark",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": false,
"image_type": "dermoscopic",
"melanocytic": true,
"patient_id": "IP_0162423",
"personal_hx_mm": false,
"sex": "male"
}
{
"age_approx": 60,
"anatom_site_general": "posterior torso",
"concomitant_biopsy": true,
"dermoscopic_type": "contact polarized",
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, Congenital",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": false,
"image_type": "dermoscopic",
"melanocytic": true,
"patient_id": "IP_5994967",
"personal_hx_mm": false,
"sex": "male"
}
{
"age_approx": 75,
"anatom_site_general": "anterior torso",
"concomitant_biopsy": true,
"dermoscopic_type": "contact non-polarized",
"diagnosis_1": "Malignant",
"diagnosis_2": "Malignant melanocytic proliferations (Melanoma)",
"diagnosis_3": "Melanoma in situ",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": true,
"image_type": "dermoscopic",
"mel_thick_mm": "0.00",
"melanocytic": true,
"patient_id": "IP_1893317",
"personal_hx_mm": true,
"sex": "male"
}
{
"age_approx": 75,
"anatom_site_general": "posterior torso",
"concomitant_biopsy": true,
"dermoscopic_type": "contact non-polarized",
"diagnosis_1": "Malignant",
"diagnosis_2": "Malignant melanocytic proliferations (Melanoma)",
"diagnosis_3": "Melanoma in situ",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": false,
"image_type": "dermoscopic",
"mel_thick_mm": "0.00",
"melanocytic": true,
"patient_id": "IP_2228007",
"personal_hx_mm": false,
"sex": "male"
}
{
"age_approx": 50,
"anatom_site_general": "lower extremity",
"anatom_site_special": "acral NOS",
"concomitant_biopsy": true,
"dermoscopic_type": "contact non-polarized",
"diagnosis_1": "Indeterminate",
"diagnosis_2": "Indeterminate melanocytic proliferations",
"diagnosis_3": "Atypical proliferative nodules in congenital melanocytic nevus",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": false,
"image_type": "dermoscopic",
"melanocytic": true,
"patient_id": "IP_0003947",
"personal_hx_mm": false,
"sex": "male"
}
{
"age_approx": 85,
"anatom_site_general": "upper extremity",
"concomitant_biopsy": true,
"dermoscopic_type": "non-contact polarized",
"diagnosis_1": "Malignant",
"diagnosis_2": "Malignant melanocytic proliferations (Melanoma)",
"diagnosis_3": "Melanoma Invasive",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": false,
"image_type": "dermoscopic",
"mel_thick_mm": "0.25",
"mel_ulcer": false,
"melanocytic": true,
"patient_id": "IP_6710314",
"personal_hx_mm": true,
"sex": "male"
}
{
"age_approx": 20,
"anatom_site_general": "posterior torso",
"concomitant_biopsy": true,
"dermoscopic_type": "non-contact polarized",
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, Lentiginous",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": false,
"image_type": "dermoscopic",
"melanocytic": true,
"patient_id": "IP_1857116",
"personal_hx_mm": true,
"sex": "male"
}
{
"age_approx": 65,
"anatom_site_general": "lower extremity",
"concomitant_biopsy": true,
"dermoscopic_type": "non-contact polarized",
"diagnosis_1": "Malignant",
"diagnosis_2": "Malignant melanocytic proliferations (Melanoma)",
"diagnosis_3": "Melanoma in situ",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": false,
"image_type": "dermoscopic",
"mel_thick_mm": "0.00",
"melanocytic": true,
"patient_id": "IP_5895991",
"personal_hx_mm": true,
"sex": "male"
}
{
"age_approx": 45,
"anatom_site_general": "lower extremity",
"concomitant_biopsy": true,
"dermoscopic_type": "contact non-polarized",
"diagnosis_1": "Malignant",
"diagnosis_2": "Malignant melanocytic proliferations (Melanoma)",
"diagnosis_3": "Melanoma Invasive",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": false,
"image_type": "dermoscopic",
"mel_thick_mm": "1.06",
"mel_ulcer": false,
"melanocytic": true,
"patient_id": "IP_8481777",
"personal_hx_mm": false,
"sex": "female"
}
{
"age_approx": 75,
"anatom_site_general": "posterior torso",
"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,
"patient_id": "IP_5801453",
"personal_hx_mm": false,
"sex": "male"
}
{
"age_approx": 75,
"anatom_site_general": "lower extremity",
"concomitant_biopsy": true,
"dermoscopic_type": "contact non-polarized",
"diagnosis_1": "Malignant",
"diagnosis_2": "Malignant melanocytic proliferations (Melanoma)",
"diagnosis_3": "Melanoma metastasis",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": false,
"image_type": "dermoscopic",
"melanocytic": true,
"patient_id": "IP_0949444",
"personal_hx_mm": true,
"sex": "female"
}
{
"age_approx": 20,
"anatom_site_general": "posterior torso",
"concomitant_biopsy": true,
"dermoscopic_type": "contact non-polarized",
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, Atypical, Dysplastic, or Clark",
"diagnosis_5": "Nevus, Dysplastic",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": false,
"image_type": "dermoscopic",
"melanocytic": true,
"patient_id": "IP_8957904",
"personal_hx_mm": false,
"sex": "female"
}
{
"age_approx": 50,
"anatom_site_general": "posterior torso",
"concomitant_biopsy": true,
"dermoscopic_type": "contact polarized",
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, Atypical, Dysplastic, or Clark",
"diagnosis_5": "Nevus, Clark",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": false,
"image_type": "dermoscopic",
"melanocytic": true,
"patient_id": "IP_5545593",
"personal_hx_mm": false,
"sex": "male"
}
{
"age_approx": 70,
"anatom_site_general": "head/neck",
"concomitant_biopsy": true,
"dermoscopic_type": "contact polarized",
"diagnosis_1": "Malignant",
"diagnosis_2": "Malignant melanocytic proliferations (Melanoma)",
"diagnosis_3": "Melanoma metastasis",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": false,
"image_type": "dermoscopic",
"melanocytic": true,
"patient_id": "IP_9972430",
"personal_hx_mm": true,
"sex": "female"
}
{
"age_approx": 70,
"anatom_site_general": "posterior torso",
"concomitant_biopsy": true,
"dermoscopic_type": "contact non-polarized",
"diagnosis_1": "Benign",
"diagnosis_2": "Benign soft tissue proliferations - Fibro-histiocytic",
"diagnosis_3": "Fibroepithelial polyp",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": false,
"image_type": "dermoscopic",
"melanocytic": false,
"patient_id": "IP_2887957",
"personal_hx_mm": false,
"sex": "female"
}
{
"age_approx": 5,
"anatom_site_general": "upper extremity",
"concomitant_biopsy": true,
"dermoscopic_type": "contact non-polarized",
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, Halo",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": true,
"image_type": "dermoscopic",
"melanocytic": true,
"patient_id": "IP_0837135",
"personal_hx_mm": false,
"sex": "female"
}
{
"age_approx": 45,
"anatom_site_general": "lower extremity",
"concomitant_biopsy": true,
"dermoscopic_type": "contact polarized",
"diagnosis_1": "Malignant",
"diagnosis_2": "Malignant melanocytic proliferations (Melanoma)",
"diagnosis_3": "Melanoma Invasive",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": false,
"image_type": "dermoscopic",
"mel_thick_mm": "0.47",
"melanocytic": true,
"patient_id": "IP_7432854",
"personal_hx_mm": 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_confirm_type": "histopathology",
"image_type": "dermoscopic",
"melanocytic": true,
"sex": "female"
}
{
"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, Superficial spreading",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"mel_thick_mm": "1.10",
"melanocytic": true,
"sex": "male"
}
{
"age_approx": 45,
"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": 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, On chronically sun-exposed skin or lentigo maligna melanoma",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"mel_mitotic_index": "0/mm^2",
"mel_thick_mm": "0.66",
"mel_ulcer": false,
"melanocytic": true,
"sex": "male"
}
{
"age_approx": 10,
"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": "female"
}
{
"age_approx": 35,
"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"
}
{
"age_approx": 70,
"concomitant_biopsy": true,
"dermoscopic_type": "contact polarized",
"diagnosis_1": "Malignant",
"diagnosis_2": "Malignant melanocytic proliferations (Melanoma)",
"diagnosis_3": "Melanoma metastasis",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"melanocytic": true
}
{
"age_approx": 35,
"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,
"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": "0.60",
"melanocytic": true
}