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": 35,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "3.00",
"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_2098876",
"melanocytic": true,
"patient_id": "IP_3830672",
"sex": "male"
}
{
"age_approx": 85,
"anatom_site_general": "lateral torso",
"clin_size_long_diam_mm": "5.80",
"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_5558883",
"melanocytic": true,
"patient_id": "IP_5651672",
"sex": "male"
}
{
"age_approx": 60,
"anatom_site_general": "head/neck",
"clin_size_long_diam_mm": "3.80",
"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_3251338",
"melanocytic": true,
"patient_id": "IP_7029926",
"sex": "female"
}
{
"age_approx": 85,
"anatom_site_general": "anterior torso",
"clin_size_long_diam_mm": "4.90",
"concomitant_biopsy": true,
"diagnosis_1": "Malignant",
"diagnosis_2": "Malignant melanocytic proliferations (Melanoma)",
"diagnosis_3": "Melanoma Invasive",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"lesion_id": "IL_7876906",
"mel_thick_mm": "0.40",
"melanocytic": true,
"patient_id": "IP_5651672",
"sex": "male"
}
{
"age_approx": 85,
"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 Invasive",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"lesion_id": "IL_9563633",
"mel_thick_mm": "0.60",
"melanocytic": true,
"patient_id": "IP_5651672",
"sex": "male"
}
{
"age_approx": 55,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "2.90",
"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_2009922",
"melanocytic": true,
"patient_id": "IP_5631887",
"sex": "female"
}
{
"age_approx": 70,
"anatom_site_general": "lower extremity",
"clin_size_long_diam_mm": "3.70",
"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_8751485",
"melanocytic": true,
"patient_id": "IP_7288019",
"sex": "female"
}
{
"age_approx": 40,
"anatom_site_general": "posterior torso",
"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_6099168",
"melanocytic": true,
"patient_id": "IP_0815526",
"sex": "male"
}
{
"age_approx": 60,
"anatom_site_general": "anterior torso",
"clin_size_long_diam_mm": "2.70",
"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_7559922",
"melanocytic": true,
"patient_id": "IP_0207680",
"sex": "female"
}
{
"age_approx": 50,
"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_9607129",
"melanocytic": true,
"patient_id": "IP_5900251",
"sex": "male"
}
{
"age_approx": 85,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "8.90",
"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_0680289",
"melanocytic": true,
"patient_id": "IP_6102517",
"sex": "male"
}
{
"age_approx": 65,
"anatom_site_general": "upper extremity",
"clin_size_long_diam_mm": "5.20",
"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_8179865",
"melanocytic": true,
"patient_id": "IP_2095204",
"sex": "female"
}
{
"age_approx": 35,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "1.60",
"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_4728389",
"melanocytic": true,
"patient_id": "IP_4150295",
"sex": "female"
}
{
"age_approx": 60,
"anatom_site_general": "anterior torso",
"clin_size_long_diam_mm": "10.90",
"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_1959963",
"melanocytic": true,
"patient_id": "IP_7243101",
"sex": "female"
}
{
"age_approx": 55,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "14.40",
"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_0878202",
"melanocytic": true,
"patient_id": "IP_0354751",
"sex": "female"
}
{
"age_approx": 70,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "7.50",
"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_5915117",
"melanocytic": true,
"patient_id": "IP_3915986",
"sex": "male"
}
{
"age_approx": 65,
"anatom_site_general": "lower extremity",
"clin_size_long_diam_mm": "6.90",
"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_4404146",
"melanocytic": true,
"patient_id": "IP_6669413",
"sex": "male"
}
{
"age_approx": 60,
"anatom_site_general": "anterior torso",
"clin_size_long_diam_mm": "10.10",
"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_4694863",
"melanocytic": true,
"patient_id": "IP_6569379",
"sex": "female"
}
{
"age_approx": 35,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "5.20",
"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_1502910",
"melanocytic": true,
"patient_id": "IP_7204491",
"sex": "female"
}
{
"age_approx": 35,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "17.10",
"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_1926210",
"melanocytic": true,
"patient_id": "IP_7204491",
"sex": "female"
}
{
"age_approx": 60,
"anatom_site_general": "posterior torso",
"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_6202389",
"melanocytic": true,
"patient_id": "IP_2957135",
"sex": "female"
}
{
"age_approx": 35,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "3.20",
"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_2169011",
"melanocytic": true,
"patient_id": "IP_3999111",
"sex": "female"
}
{
"age_approx": 55,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "1.50",
"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_0228347",
"melanocytic": true,
"patient_id": "IP_9018954",
"sex": "male"
}
{
"age_approx": 50,
"anatom_site_general": "posterior torso",
"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_6878135",
"melanocytic": true,
"patient_id": "IP_8528048",
"sex": "male"
}
{
"age_approx": 45,
"anatom_site_general": "posterior torso",
"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_1049510",
"melanocytic": true,
"patient_id": "IP_7295964",
"sex": "female"
}
{
"age_approx": 55,
"anatom_site_general": "anterior torso",
"clin_size_long_diam_mm": "1.80",
"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_5792818",
"melanocytic": true,
"patient_id": "IP_8776758",
"sex": "female"
}
{
"age_approx": 40,
"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_1461720",
"melanocytic": true,
"patient_id": "IP_8132759",
"sex": "female"
}
{
"age_approx": 45,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "2.30",
"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_7845233",
"melanocytic": true,
"patient_id": "IP_8384762",
"sex": "female"
}
{
"age_approx": 50,
"anatom_site_general": "anterior torso",
"clin_size_long_diam_mm": "2.60",
"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_0117600",
"melanocytic": true,
"patient_id": "IP_1874903",
"sex": "male"
}
{
"age_approx": 70,
"anatom_site_general": "lower extremity",
"clin_size_long_diam_mm": "6.70",
"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_4779303",
"melanocytic": true,
"patient_id": "IP_9862144",
"sex": "male"
}