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": 45,
"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_8247863",
"melanocytic": true,
"patient_id": "IP_0885936",
"sex": "female"
}
{
"age_approx": 40,
"anatom_site_general": "upper extremity",
"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_5523133",
"melanocytic": true,
"patient_id": "IP_6387342",
"sex": "female"
}
{
"age_approx": 50,
"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_2174127",
"melanocytic": true,
"patient_id": "IP_0787070",
"sex": "female"
}
{
"age_approx": 30,
"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_2076080",
"melanocytic": true,
"patient_id": "IP_4567124",
"sex": "female"
}
{
"age_approx": 50,
"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_3796608",
"melanocytic": true,
"patient_id": "IP_6180932",
"sex": "female"
}
{
"age_approx": 50,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "8.30",
"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_9919489",
"melanocytic": true,
"patient_id": "IP_0083448",
"sex": "male"
}
{
"age_approx": 50,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "5.50",
"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_8654461",
"melanocytic": true,
"patient_id": "IP_0083448",
"sex": "male"
}
{
"age_approx": 40,
"anatom_site_general": "posterior 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_2447709",
"melanocytic": true,
"patient_id": "IP_7496321",
"sex": "female"
}
{
"age_approx": 40,
"anatom_site_general": "lower extremity",
"clin_size_long_diam_mm": "4.90",
"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_1506779",
"melanocytic": true,
"patient_id": "IP_7496321",
"sex": "female"
}
{
"age_approx": 45,
"anatom_site_general": "upper extremity",
"clin_size_long_diam_mm": "6.30",
"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_4865736",
"melanocytic": true,
"patient_id": "IP_6780506",
"sex": "male"
}
{
"age_approx": 45,
"anatom_site_general": "head/neck",
"clin_size_long_diam_mm": "3.60",
"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_0976708",
"melanocytic": true,
"patient_id": "IP_1308711",
"sex": "male"
}
{
"age_approx": 45,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "4.00",
"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_5719866",
"melanocytic": true,
"patient_id": "IP_1308711",
"sex": "male"
}
{
"age_approx": 45,
"anatom_site_general": "upper extremity",
"clin_size_long_diam_mm": "4.50",
"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_7063644",
"melanocytic": true,
"patient_id": "IP_5725903",
"sex": "male"
}
{
"age_approx": 60,
"anatom_site_general": "posterior 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_1844618",
"melanocytic": true,
"patient_id": "IP_5439776",
"sex": "male"
}
{
"age_approx": 40,
"anatom_site_general": "posterior 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, Atypical, Dysplastic, or Clark",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"lesion_id": "IL_9290430",
"melanocytic": true,
"patient_id": "IP_4841347",
"sex": "male"
}
{
"age_approx": 65,
"anatom_site_general": "head/neck",
"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_3708705",
"melanocytic": true,
"patient_id": "IP_2107369",
"sex": "male"
}
{
"age_approx": 70,
"anatom_site_general": "upper extremity",
"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_6838936",
"melanocytic": true,
"patient_id": "IP_8046304",
"sex": "male"
}
{
"age_approx": 65,
"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_7185978",
"melanocytic": true,
"patient_id": "IP_7712665",
"sex": "female"
}
{
"age_approx": 30,
"anatom_site_general": "upper extremity",
"clin_size_long_diam_mm": "1.00",
"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_9599863",
"melanocytic": true,
"patient_id": "IP_2625869",
"sex": "male"
}
{
"age_approx": 40,
"anatom_site_general": "lower extremity",
"clin_size_long_diam_mm": "1.70",
"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_7738951",
"melanocytic": true,
"patient_id": "IP_7183783",
"sex": "male"
}
{
"age_approx": 50,
"anatom_site_general": "upper extremity",
"clin_size_long_diam_mm": "4.30",
"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_8204057",
"melanocytic": true,
"patient_id": "IP_1213877",
"sex": "male"
}
{
"age_approx": 40,
"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, NOS, Compound",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"lesion_id": "IL_4201282",
"melanocytic": true,
"patient_id": "IP_1398125",
"sex": "male"
}
{
"age_approx": 50,
"anatom_site_general": "upper extremity",
"clin_size_long_diam_mm": "4.20",
"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_6285607",
"melanocytic": true,
"patient_id": "IP_0569337",
"sex": "male"
}
{
"age_approx": 50,
"anatom_site_general": "upper 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, Combined",
"diagnosis_confirm_type": "histopathology",
"image_type": "dermoscopic",
"lesion_id": "IL_1154443",
"melanocytic": true,
"patient_id": "IP_0569337",
"sex": "male"
}
{
"age_approx": 50,
"anatom_site_general": "upper extremity",
"clin_size_long_diam_mm": "16.90",
"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_9750267",
"melanocytic": true,
"patient_id": "IP_9904101",
"sex": "male"
}
{
"age_approx": 70,
"anatom_site_general": "lower extremity",
"clin_size_long_diam_mm": "13.90",
"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_7054835",
"mel_thick_mm": "0.80",
"melanocytic": true,
"patient_id": "IP_1651414",
"sex": "female"
}
{
"age_approx": 50,
"anatom_site_general": "lateral torso",
"clin_size_long_diam_mm": "4.20",
"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_8862378",
"mel_mitotic_index": "1/mm^2",
"mel_thick_mm": "0.70",
"mel_ulcer": false,
"melanocytic": true,
"patient_id": "IP_8034465",
"sex": "male"
}
{
"age_approx": 40,
"anatom_site_general": "posterior torso",
"clin_size_long_diam_mm": "1.70",
"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_9778197",
"melanocytic": true,
"patient_id": "IP_5491923",
"sex": "female"
}
{
"age_approx": 40,
"anatom_site_general": "upper extremity",
"clin_size_long_diam_mm": "2.40",
"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_0362239",
"melanocytic": true,
"patient_id": "IP_6249715",
"sex": "female"
}
{
"age_approx": 40,
"anatom_site_general": "lower extremity",
"clin_size_long_diam_mm": "3.10",
"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_3833731",
"melanocytic": true,
"patient_id": "IP_6249715",
"sex": "female"
}