A collection of dermoscopic images of biopsied melanocytic lesions. This was used to test for performance degradation of an AI melanoma classifier in discriminating melanomas from nevi among newly-acquired melanocytic lesions versus longer-existing acquired melanocytic lesions.
{
"age_approx": 55,
"anatom_site_general": "upper extremity",
"clin_size_long_diam_mm": "2.00",
"concomitant_biopsy": true,
"diagnosis_1": "Malignant",
"diagnosis_2": "Malignant melanocytic proliferations (Melanoma)",
"diagnosis_3": "Melanoma in situ",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"lesion_id": "IL_2045790",
"melanocytic": true,
"patient_id": "IP_3344965",
"sex": "female"
}
{
"age_approx": 65,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "5.80",
"concomitant_biopsy": true,
"diagnosis_1": "Malignant",
"diagnosis_2": "Malignant melanocytic proliferations (Melanoma)",
"diagnosis_3": "Melanoma in situ",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"lesion_id": "IL_4212949",
"melanocytic": true,
"patient_id": "IP_2084560",
"sex": "male"
}
{
"age_approx": 45,
"anatom_site_general": "lower extremity",
"clin_size_long_diam_mm": "1.90",
"concomitant_biopsy": true,
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, Atypical, Dysplastic, or Clark",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"lesion_id": "IL_5203043",
"melanocytic": true,
"patient_id": "IP_5622181",
"sex": "male"
}
{
"age_approx": 35,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "5.00",
"concomitant_biopsy": true,
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, Atypical, Dysplastic, or Clark",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"lesion_id": "IL_5378175",
"melanocytic": true,
"patient_id": "IP_2067014",
"sex": "female"
}
{
"age_approx": 35,
"anatom_site_general": "lower extremity",
"clin_size_long_diam_mm": "2.00",
"concomitant_biopsy": true,
"diagnosis_1": "Malignant",
"diagnosis_2": "Malignant melanocytic proliferations (Melanoma)",
"diagnosis_3": "Melanoma in situ",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"lesion_id": "IL_7804991",
"melanocytic": true,
"patient_id": "IP_5504028",
"sex": "female"
}
{
"age_approx": 30,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "3.70",
"concomitant_biopsy": true,
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, Atypical, Dysplastic, or Clark",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"lesion_id": "IL_5717042",
"melanocytic": true,
"patient_id": "IP_6819007",
"sex": "male"
}
{
"age_approx": 50,
"anatom_site_general": "lower extremity",
"clin_size_long_diam_mm": "2.10",
"concomitant_biopsy": true,
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, NOS, Dermal",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"lesion_id": "IL_9351202",
"melanocytic": true,
"patient_id": "IP_0865059",
"sex": "female"
}
{
"age_approx": 60,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "7.80",
"concomitant_biopsy": true,
"diagnosis_1": "Malignant",
"diagnosis_2": "Malignant melanocytic proliferations (Melanoma)",
"diagnosis_3": "Melanoma in situ",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"lesion_id": "IL_6235184",
"melanocytic": true,
"patient_id": "IP_8181377",
"sex": "male"
}
{
"age_approx": 80,
"anatom_site_general": "upper extremity",
"clin_size_long_diam_mm": "5.10",
"concomitant_biopsy": true,
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, Atypical, Dysplastic, or Clark",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"lesion_id": "IL_8462292",
"melanocytic": true,
"patient_id": "IP_9348131",
"sex": "male"
}
{
"age_approx": 60,
"anatom_site_general": "anterior torso",
"clin_size_long_diam_mm": "4.40",
"concomitant_biopsy": true,
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, NOS, Junctional",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"lesion_id": "IL_8104165",
"melanocytic": true,
"patient_id": "IP_3379522",
"sex": "female"
}
{
"age_approx": 50,
"anatom_site_general": "upper extremity",
"clin_size_long_diam_mm": "3.90",
"concomitant_biopsy": true,
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, Atypical, Dysplastic, or Clark",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"lesion_id": "IL_3604807",
"melanocytic": true,
"patient_id": "IP_1877958",
"sex": "female"
}
{
"age_approx": 65,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "4.80",
"concomitant_biopsy": true,
"diagnosis_1": "Malignant",
"diagnosis_2": "Malignant melanocytic proliferations (Melanoma)",
"diagnosis_3": "Melanoma in situ",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"lesion_id": "IL_8922569",
"melanocytic": true,
"patient_id": "IP_7067247",
"sex": "male"
}
{
"age_approx": 60,
"anatom_site_general": "lower extremity",
"clin_size_long_diam_mm": "6.60",
"concomitant_biopsy": true,
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, Atypical, Dysplastic, or Clark",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"lesion_id": "IL_3638805",
"melanocytic": true,
"patient_id": "IP_7188235",
"sex": "male"
}
{
"age_approx": 60,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "2.20",
"concomitant_biopsy": true,
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, Atypical, Dysplastic, or Clark",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"lesion_id": "IL_7663608",
"melanocytic": true,
"patient_id": "IP_1657747",
"sex": "male"
}
{
"age_approx": 35,
"anatom_site_general": "head/neck",
"clin_size_long_diam_mm": "3.90",
"concomitant_biopsy": true,
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, Atypical, Dysplastic, or Clark",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"lesion_id": "IL_0252973",
"melanocytic": true,
"patient_id": "IP_4269090",
"sex": "female"
}
{
"age_approx": 35,
"anatom_site_general": "anterior torso",
"clin_size_long_diam_mm": "6.80",
"concomitant_biopsy": true,
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, Atypical, Dysplastic, or Clark",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"lesion_id": "IL_9179710",
"melanocytic": true,
"patient_id": "IP_4269090",
"sex": "female"
}
{
"age_approx": 85,
"anatom_site_general": "lower extremity",
"clin_size_long_diam_mm": "13.70",
"concomitant_biopsy": true,
"diagnosis_1": "Malignant",
"diagnosis_2": "Malignant melanocytic proliferations (Melanoma)",
"diagnosis_3": "Melanoma in situ",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"lesion_id": "IL_1282505",
"melanocytic": true,
"patient_id": "IP_5630006",
"sex": "male"
}
{
"age_approx": 55,
"anatom_site_general": "lower extremity",
"clin_size_long_diam_mm": "2.80",
"concomitant_biopsy": true,
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, Atypical, Dysplastic, or Clark",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"lesion_id": "IL_0950738",
"melanocytic": true,
"patient_id": "IP_9826278",
"sex": "female"
}
{
"age_approx": 35,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "2.80",
"concomitant_biopsy": true,
"diagnosis_1": "Malignant",
"diagnosis_2": "Malignant melanocytic proliferations (Melanoma)",
"diagnosis_3": "Melanoma in situ",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"lesion_id": "IL_9326149",
"melanocytic": true,
"patient_id": "IP_6334660",
"sex": "male"
}
{
"age_approx": 45,
"anatom_site_general": "lower extremity",
"clin_size_long_diam_mm": "2.50",
"concomitant_biopsy": true,
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, Atypical, Dysplastic, or Clark",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"lesion_id": "IL_4696811",
"melanocytic": true,
"patient_id": "IP_5573847",
"sex": "female"
}
{
"age_approx": 65,
"anatom_site_general": "head/neck",
"clin_size_long_diam_mm": "5.30",
"concomitant_biopsy": true,
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, Atypical, Dysplastic, or Clark",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"lesion_id": "IL_7174446",
"melanocytic": true,
"patient_id": "IP_3463579",
"sex": "female"
}
{
"age_approx": 85,
"anatom_site_general": "anterior torso",
"clin_size_long_diam_mm": "9.20",
"concomitant_biopsy": true,
"diagnosis_1": "Malignant",
"diagnosis_2": "Malignant melanocytic proliferations (Melanoma)",
"diagnosis_3": "Melanoma in situ",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"lesion_id": "IL_0006755",
"melanocytic": true,
"patient_id": "IP_6700171",
"sex": "female"
}
{
"age_approx": 45,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "5.60",
"concomitant_biopsy": true,
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, Atypical, Dysplastic, or Clark",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"lesion_id": "IL_7007160",
"melanocytic": true,
"patient_id": "IP_3878998",
"sex": "male"
}
{
"age_approx": 50,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "3.30",
"concomitant_biopsy": true,
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, Atypical, Dysplastic, or Clark",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"lesion_id": "IL_2348903",
"melanocytic": true,
"patient_id": "IP_7843341",
"sex": "female"
}
{
"age_approx": 40,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "4.90",
"concomitant_biopsy": true,
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, Atypical, Dysplastic, or Clark",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"lesion_id": "IL_9738229",
"melanocytic": true,
"patient_id": "IP_2949973",
"sex": "male"
}
{
"age_approx": 40,
"anatom_site_general": "upper extremity",
"clin_size_long_diam_mm": "3.80",
"concomitant_biopsy": true,
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, Atypical, Dysplastic, or Clark",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"lesion_id": "IL_1409962",
"melanocytic": true,
"patient_id": "IP_7186053",
"sex": "female"
}
{
"age_approx": 50,
"anatom_site_general": "lower extremity",
"clin_size_long_diam_mm": "2.70",
"concomitant_biopsy": true,
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, Atypical, Dysplastic, or Clark",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"lesion_id": "IL_4179838",
"melanocytic": true,
"patient_id": "IP_3727647",
"sex": "female"
}
{
"age_approx": 50,
"anatom_site_general": "lower extremity",
"clin_size_long_diam_mm": "0.80",
"concomitant_biopsy": true,
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, Atypical, Dysplastic, or Clark",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"lesion_id": "IL_9443249",
"melanocytic": true,
"patient_id": "IP_3727647",
"sex": "female"
}
{
"age_approx": 75,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "4.30",
"concomitant_biopsy": true,
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, Atypical, Dysplastic, or Clark",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"lesion_id": "IL_4234230",
"melanocytic": true,
"patient_id": "IP_7634290",
"sex": "male"
}
{
"age_approx": 45,
"anatom_site_general": "lateral torso",
"clin_size_long_diam_mm": "2.00",
"concomitant_biopsy": true,
"diagnosis_1": "Benign",
"diagnosis_2": "Benign melanocytic proliferations",
"diagnosis_3": "Nevus",
"diagnosis_4": "Nevus, Atypical, Dysplastic, or Clark",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"lesion_id": "IL_3191047",
"melanocytic": true,
"patient_id": "IP_7859449",
"sex": "female"
}