We conducted a prospective, observational clinical validation study to assess the diagnostic accuracy of the AI algorithm (ADAE) in predicting melanoma from dermoscopy skin lesion images. Patients who had consented for a skin biopsy to exclude melanoma were eligible. All lesions underwent biopsy.
{
"acquisition_day": 1,
"age_approx": 70,
"anatom_site_general": "head/neck",
"clin_size_long_diam_mm": "11.30",
"concomitant_biopsy": true,
"dermoscopic_type": "contact polarized",
"diagnosis_1": "Benign",
"diagnosis_2": "Flat melanotic pigmentations - not melanocytic nevus",
"diagnosis_3": "Lentigo NOS",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": false,
"fitzpatrick_skin_type": "III",
"image_manipulation": "instrument only",
"image_type": "dermoscopic",
"lesion_id": "IL_4429986",
"melanocytic": true,
"patient_id": "IP_3174780",
"personal_hx_mm": false,
"sex": "male"
}
{
"acquisition_day": 1,
"age_approx": 65,
"anatom_site_general": "lower extremity",
"clin_size_long_diam_mm": "6.70",
"concomitant_biopsy": true,
"dermoscopic_type": "contact polarized",
"diagnosis_1": "Benign",
"diagnosis_2": "Benign epidermal proliferations",
"diagnosis_3": "Lichen planus like keratosis",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": false,
"fitzpatrick_skin_type": "III",
"image_manipulation": "instrument only",
"image_type": "dermoscopic",
"lesion_id": "IL_2506459",
"melanocytic": false,
"patient_id": "IP_9184359",
"personal_hx_mm": false,
"sex": "male"
}
{
"acquisition_day": 1,
"age_approx": 55,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "6.00",
"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, Atypical",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": false,
"fitzpatrick_skin_type": "III",
"image_manipulation": "instrument only",
"image_type": "dermoscopic",
"lesion_id": "IL_5063719",
"melanocytic": true,
"patient_id": "IP_8979396",
"personal_hx_mm": false,
"sex": "female"
}
{
"acquisition_day": 2020,
"age_approx": 50,
"anatom_site_general": "lower extremity",
"clin_size_long_diam_mm": "3.90",
"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, Atypical",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": true,
"fitzpatrick_skin_type": "I",
"image_manipulation": "instrument only",
"image_type": "dermoscopic",
"lesion_id": "IL_2141559",
"melanocytic": true,
"patient_id": "IP_0777867",
"personal_hx_mm": true,
"sex": "female"
}
{
"acquisition_day": 1,
"age_approx": 40,
"anatom_site_general": "lower extremity",
"clin_size_long_diam_mm": "5.60",
"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, Atypical",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": false,
"fitzpatrick_skin_type": "II",
"image_manipulation": "instrument only",
"image_type": "dermoscopic",
"lesion_id": "IL_8942894",
"melanocytic": true,
"patient_id": "IP_2071814",
"personal_hx_mm": false,
"sex": "female"
}
{
"acquisition_day": 1,
"age_approx": 40,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "5.80",
"concomitant_biopsy": true,
"dermoscopic_type": "contact polarized",
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": false,
"fitzpatrick_skin_type": "II",
"image_manipulation": "instrument only",
"image_type": "dermoscopic",
"lesion_id": "IL_4766798",
"melanocytic": true,
"patient_id": "IP_2071814",
"personal_hx_mm": false,
"sex": "female"
}
{
"acquisition_day": 2297,
"age_approx": 45,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "8.00",
"concomitant_biopsy": true,
"dermoscopic_type": "non-contact polarized",
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, Atypical, Dysplastic, or Clark",
"diagnosis_5": "Nevus, Atypical",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": true,
"fitzpatrick_skin_type": "IV",
"image_manipulation": "instrument only",
"image_type": "dermoscopic",
"lesion_id": "IL_9654971",
"melanocytic": true,
"patient_id": "IP_5989034",
"personal_hx_mm": false,
"sex": "male"
}
{
"acquisition_day": 2633,
"age_approx": 65,
"anatom_site_general": "lateral torso",
"clin_size_long_diam_mm": "7.50",
"concomitant_biopsy": true,
"dermoscopic_type": "non-contact polarized",
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, Atypical, Dysplastic, or Clark",
"diagnosis_5": "Nevus, Atypical",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": true,
"fitzpatrick_skin_type": "II",
"image_manipulation": "instrument only",
"image_type": "dermoscopic",
"lesion_id": "IL_9523528",
"melanocytic": true,
"patient_id": "IP_2682513",
"personal_hx_mm": true,
"sex": "male"
}
{
"acquisition_day": 1,
"age_approx": 55,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "2.20",
"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, Atypical",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": true,
"fitzpatrick_skin_type": "II",
"image_manipulation": "instrument only",
"image_type": "dermoscopic",
"lesion_id": "IL_2655125",
"melanocytic": true,
"patient_id": "IP_1026346",
"personal_hx_mm": false,
"sex": "female"
}
{
"acquisition_day": 1,
"age_approx": 80,
"anatom_site_general": "upper extremity",
"clin_size_long_diam_mm": "19.40",
"concomitant_biopsy": true,
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, Atypical, Dysplastic, or Clark",
"diagnosis_5": "Nevus, Atypical",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": false,
"fitzpatrick_skin_type": "IV",
"image_manipulation": "instrument only",
"image_type": "dermoscopic",
"lesion_id": "IL_1238568",
"melanocytic": true,
"patient_id": "IP_6009680",
"personal_hx_mm": true,
"sex": "male"
}
{
"acquisition_day": 1,
"age_approx": 75,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "5.00",
"concomitant_biopsy": true,
"diagnosis_1": "Malignant",
"diagnosis_2": "Malignant melanocytic proliferations (Melanoma)",
"diagnosis_3": "Melanoma Invasive",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": true,
"fitzpatrick_skin_type": "III",
"image_manipulation": "instrument only",
"image_type": "dermoscopic",
"lesion_id": "IL_4849491",
"mel_thick_mm": "0.50",
"mel_ulcer": false,
"melanocytic": true,
"patient_id": "IP_9620296",
"personal_hx_mm": true,
"sex": "male"
}
{
"acquisition_day": 1,
"age_approx": 75,
"anatom_site_general": "upper extremity",
"clin_size_long_diam_mm": "10.00",
"concomitant_biopsy": true,
"diagnosis_1": "Malignant",
"diagnosis_2": "Malignant melanocytic proliferations (Melanoma)",
"diagnosis_3": "Melanoma Invasive",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": false,
"fitzpatrick_skin_type": "II",
"image_manipulation": "instrument only",
"image_type": "dermoscopic",
"lesion_id": "IL_2268391",
"mel_thick_mm": "1.00",
"mel_ulcer": false,
"melanocytic": true,
"patient_id": "IP_5653891",
"personal_hx_mm": true,
"sex": "female"
}
{
"acquisition_day": 1,
"age_approx": 40,
"anatom_site_general": "upper extremity",
"clin_size_long_diam_mm": "2.70",
"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, Atypical",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": false,
"fitzpatrick_skin_type": "III",
"image_manipulation": "instrument only",
"image_type": "dermoscopic",
"lesion_id": "IL_6084840",
"melanocytic": true,
"patient_id": "IP_4788725",
"personal_hx_mm": false,
"sex": "female"
}
{
"acquisition_day": 1,
"age_approx": 65,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "5.00",
"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, Atypical",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": false,
"fitzpatrick_skin_type": "III",
"image_manipulation": "instrument only",
"image_type": "dermoscopic",
"lesion_id": "IL_9953259",
"melanocytic": true,
"patient_id": "IP_1779240",
"personal_hx_mm": true,
"sex": "female"
}
{
"acquisition_day": 1,
"age_approx": 60,
"anatom_site_general": "lower extremity",
"clin_size_long_diam_mm": "9.50",
"concomitant_biopsy": true,
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, Atypical, Dysplastic, or Clark",
"diagnosis_5": "Nevus, Atypical",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": true,
"fitzpatrick_skin_type": "I",
"image_manipulation": "instrument only",
"image_type": "dermoscopic",
"lesion_id": "IL_3631383",
"melanocytic": true,
"patient_id": "IP_1083924",
"personal_hx_mm": true,
"sex": "female"
}
{
"acquisition_day": 1,
"age_approx": 60,
"anatom_site_general": "head/neck",
"clin_size_long_diam_mm": "8.60",
"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",
"family_hx_mm": true,
"fitzpatrick_skin_type": "I",
"image_manipulation": "instrument only",
"image_type": "dermoscopic",
"lesion_id": "IL_3716388",
"melanocytic": true,
"patient_id": "IP_1083924",
"personal_hx_mm": true,
"sex": "female"
}
{
"acquisition_day": 1,
"age_approx": 75,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "10.00",
"concomitant_biopsy": true,
"dermoscopic_type": "contact polarized",
"diagnosis_1": "Benign",
"diagnosis_2": "Benign epidermal proliferations",
"diagnosis_3": "Lichen planus like keratosis",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": false,
"fitzpatrick_skin_type": "III",
"image_manipulation": "instrument only",
"image_type": "dermoscopic",
"lesion_id": "IL_0628375",
"melanocytic": false,
"patient_id": "IP_7797815",
"personal_hx_mm": false,
"sex": "male"
}
{
"acquisition_day": 1,
"age_approx": 55,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "4.70",
"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, Atypical",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": true,
"fitzpatrick_skin_type": "II",
"image_manipulation": "instrument only",
"image_type": "dermoscopic",
"lesion_id": "IL_3997245",
"melanocytic": true,
"patient_id": "IP_7233679",
"personal_hx_mm": true,
"sex": "female"
}
{
"acquisition_day": 1,
"age_approx": 80,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "16.00",
"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,
"fitzpatrick_skin_type": "II",
"image_manipulation": "instrument only",
"image_type": "dermoscopic",
"lesion_id": "IL_6650390",
"mel_thick_mm": "0.20",
"melanocytic": true,
"patient_id": "IP_4082279",
"personal_hx_mm": true,
"sex": "male"
}
{
"acquisition_day": 1,
"age_approx": 40,
"anatom_site_general": "lower extremity",
"clin_size_long_diam_mm": "1.80",
"concomitant_biopsy": true,
"dermoscopic_type": "non-contact polarized",
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, Atypical, Dysplastic, or Clark",
"diagnosis_5": "Nevus, Atypical",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": false,
"fitzpatrick_skin_type": "II",
"image_manipulation": "instrument only",
"image_type": "dermoscopic",
"lesion_id": "IL_1097008",
"melanocytic": true,
"patient_id": "IP_9372681",
"personal_hx_mm": false,
"sex": "female"
}
{
"acquisition_day": 1,
"age_approx": 65,
"anatom_site_general": "anterior torso",
"clin_size_long_diam_mm": "10.70",
"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, Atypical",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": false,
"fitzpatrick_skin_type": "I",
"image_manipulation": "instrument only",
"image_type": "dermoscopic",
"lesion_id": "IL_4729256",
"melanocytic": true,
"patient_id": "IP_3619869",
"personal_hx_mm": false,
"sex": "male"
}
{
"acquisition_day": 1,
"age_approx": 55,
"anatom_site_general": "lower extremity",
"clin_size_long_diam_mm": "6.10",
"concomitant_biopsy": true,
"dermoscopic_type": "non-contact polarized",
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, Atypical, Dysplastic, or Clark",
"diagnosis_5": "Nevus, Atypical",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": true,
"fitzpatrick_skin_type": "II",
"image_manipulation": "instrument only",
"image_type": "dermoscopic",
"lesion_id": "IL_4497004",
"melanocytic": true,
"patient_id": "IP_5781199",
"personal_hx_mm": false,
"sex": "female"
}
{
"acquisition_day": 1,
"age_approx": 50,
"anatom_site_general": "lower extremity",
"clin_size_long_diam_mm": "7.00",
"concomitant_biopsy": true,
"diagnosis_1": "Benign",
"diagnosis_2": "Benign soft tissue proliferations - Fibro-histiocytic",
"diagnosis_3": "Dermatofibroma",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": true,
"fitzpatrick_skin_type": "I",
"image_manipulation": "instrument only",
"image_type": "dermoscopic",
"lesion_id": "IL_4310429",
"melanocytic": false,
"patient_id": "IP_7317189",
"personal_hx_mm": false,
"sex": "female"
}
{
"acquisition_day": 1,
"age_approx": 75,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "10.00",
"concomitant_biopsy": true,
"diagnosis_1": "Malignant",
"diagnosis_2": "Malignant adnexal epithelial proliferations - Follicular",
"diagnosis_3": "Basal cell carcinoma",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": false,
"fitzpatrick_skin_type": "III",
"image_manipulation": "instrument only",
"image_type": "dermoscopic",
"lesion_id": "IL_2805616",
"melanocytic": false,
"patient_id": "IP_0898758",
"personal_hx_mm": true,
"sex": "male"
}
{
"acquisition_day": 1,
"age_approx": 55,
"anatom_site_general": "anterior torso",
"clin_size_long_diam_mm": "5.60",
"concomitant_biopsy": true,
"dermoscopic_type": "contact polarized",
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": false,
"fitzpatrick_skin_type": "III",
"image_manipulation": "instrument only",
"image_type": "dermoscopic",
"lesion_id": "IL_4299185",
"melanocytic": true,
"patient_id": "IP_0952967",
"personal_hx_mm": false,
"sex": "male"
}
{
"acquisition_day": 1,
"age_approx": 55,
"anatom_site_general": "anterior torso",
"clin_size_long_diam_mm": "2.80",
"concomitant_biopsy": true,
"dermoscopic_type": "contact polarized",
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": false,
"fitzpatrick_skin_type": "III",
"image_manipulation": "instrument only",
"image_type": "dermoscopic",
"lesion_id": "IL_3356968",
"melanocytic": true,
"patient_id": "IP_8674482",
"personal_hx_mm": false,
"sex": "female"
}
{
"acquisition_day": 1,
"age_approx": 55,
"anatom_site_general": "upper extremity",
"clin_size_long_diam_mm": "4.40",
"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, Atypical",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": false,
"fitzpatrick_skin_type": "III",
"image_manipulation": "instrument only",
"image_type": "dermoscopic",
"lesion_id": "IL_3065578",
"melanocytic": true,
"patient_id": "IP_8674482",
"personal_hx_mm": false,
"sex": "female"
}
{
"acquisition_day": 1,
"age_approx": 60,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "13.00",
"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, Atypical",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": true,
"fitzpatrick_skin_type": "III",
"image_manipulation": "instrument only",
"image_type": "dermoscopic",
"lesion_id": "IL_7390768",
"melanocytic": true,
"patient_id": "IP_5267744",
"personal_hx_mm": true,
"sex": "male"
}
{
"acquisition_day": 2360,
"age_approx": 70,
"anatom_site_general": "head/neck",
"clin_size_long_diam_mm": "6.50",
"concomitant_biopsy": true,
"dermoscopic_type": "contact non-polarized",
"diagnosis_1": "Benign",
"diagnosis_2": "Benign soft tissue proliferations - Vascular",
"diagnosis_3": "Pyogenic granuloma",
"diagnosis_confirm_type": "histopathology",
"family_hx_mm": true,
"fitzpatrick_skin_type": "III",
"image_manipulation": "instrument only",
"image_type": "dermoscopic",
"lesion_id": "IL_7857806",
"melanocytic": false,
"patient_id": "IP_2325148",
"personal_hx_mm": true,
"sex": "male"
}
{
"acquisition_day": 1,
"age_approx": 65,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "13.10",
"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",
"family_hx_mm": false,
"fitzpatrick_skin_type": "III",
"image_manipulation": "instrument only",
"image_type": "dermoscopic",
"lesion_id": "IL_4157905",
"melanocytic": true,
"patient_id": "IP_8494850",
"personal_hx_mm": true,
"sex": "male"
}