The BCN20000 dataset consists of dermoscopic images of skin lesions taken between 2010 and 2016 at the Hospital Clínic in Barcelona. It aims to tackle the challenge of classifying dermoscopic images of skin cancer under diverse conditions, including lesions in challenging locations (such as nails and mucosa), large lesions exceeding the dermoscopy device's aperture, and hypo-pigmented lesions.
A detailed data descriptor is available: Hernández-Pérez, C., Combalia, M., Podlipnik, S. et al. BCN20000: Dermoscopic Lesions in the Wild. Sci Data 11, 641 (2024). https://doi.org/10.1038/s41597-024-03387-w
{ "age_approx": 15, "anatom_site_general": "anterior torso", "benign_malignant": "benign", "concomitant_biopsy": false, "diagnosis_1": "Benign", "diagnosis_2": "Benign melanocytic proliferations", "diagnosis_3": "Nevus", "image_type": "dermoscopic", "lesion_id": "IL_6444238", "melanocytic": true, "sex": "male" }
{ "age_approx": 35, "benign_malignant": "benign", "concomitant_biopsy": true, "diagnosis_1": "Benign", "diagnosis_2": "Benign melanocytic proliferations", "diagnosis_3": "Nevus", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_7112930", "melanocytic": true, "sex": "male" }
{ "age_approx": 45, "anatom_site_general": "lower extremity", "benign_malignant": "malignant", "concomitant_biopsy": true, "diagnosis_1": "Malignant", "diagnosis_2": "Malignant melanocytic proliferations (Melanoma)", "diagnosis_3": "Melanoma, NOS", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_3932215", "melanocytic": true, "sex": "female" }
{ "age_approx": 70, "anatom_site_general": "head/neck", "benign_malignant": "malignant", "concomitant_biopsy": true, "diagnosis_1": "Malignant", "diagnosis_2": "Malignant melanocytic proliferations (Melanoma)", "diagnosis_3": "Melanoma, NOS", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_8737950", "melanocytic": true, "sex": "female" }
{ "age_approx": 80, "anatom_site_general": "head/neck", "concomitant_biopsy": true, "diagnosis_1": "Malignant", "diagnosis_2": "Malignant adnexal epithelial proliferations - Follicular", "diagnosis_3": "Basal cell carcinoma", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_0281528", "melanocytic": false, "sex": "female" }
{ "age_approx": 80, "anatom_site_general": "anterior torso", "concomitant_biopsy": true, "diagnosis_1": "Benign", "diagnosis_2": "Benign soft tissue proliferations - Fibro-histiocytic", "diagnosis_3": "Scar", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_7682319", "melanocytic": false, "sex": "female" }
{ "age_approx": 45, "anatom_site_general": "anterior torso", "benign_malignant": "benign", "concomitant_biopsy": true, "diagnosis_1": "Benign", "diagnosis_2": "Benign melanocytic proliferations", "diagnosis_3": "Nevus", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_2779580", "melanocytic": true, "sex": "male" }
{ "age_approx": 50, "anatom_site_general": "lower extremity", "benign_malignant": "benign", "concomitant_biopsy": true, "diagnosis_1": "Benign", "diagnosis_2": "Benign melanocytic proliferations", "diagnosis_3": "Nevus", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_3476809", "melanocytic": true, "sex": "male" }
{ "age_approx": 85, "anatom_site_general": "head/neck", "concomitant_biopsy": true, "diagnosis_1": "Malignant", "diagnosis_2": "Malignant adnexal epithelial proliferations - Follicular", "diagnosis_3": "Basal cell carcinoma", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_4044332", "melanocytic": false, "sex": "female" }
{ "age_approx": 65, "anatom_site_general": "anterior torso", "concomitant_biopsy": true, "diagnosis_1": "Malignant", "diagnosis_2": "Malignant adnexal epithelial proliferations - Follicular", "diagnosis_3": "Basal cell carcinoma", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_4620646", "melanocytic": false, "sex": "male" }
{ "age_approx": 35, "anatom_site_general": "anterior torso", "benign_malignant": "benign", "concomitant_biopsy": true, "diagnosis_1": "Benign", "diagnosis_2": "Benign melanocytic proliferations", "diagnosis_3": "Nevus", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_0175294", "melanocytic": true, "sex": "male" }
{ "age_approx": 40, "anatom_site_general": "anterior torso", "concomitant_biopsy": false, "diagnosis_1": "Malignant", "diagnosis_2": "Malignant adnexal epithelial proliferations - Follicular", "diagnosis_3": "Basal cell carcinoma", "image_type": "dermoscopic", "lesion_id": "IL_8376212", "melanocytic": false, "sex": "female" }
{ "age_approx": 80, "anatom_site_general": "head/neck", "concomitant_biopsy": false, "diagnosis_1": "Indeterminate", "diagnosis_2": "Indeterminate epidermal proliferations", "diagnosis_3": "Solar or actinic keratosis", "image_type": "dermoscopic", "lesion_id": "IL_8847744", "melanocytic": false, "sex": "female" }
{ "age_approx": 70, "anatom_site_general": "anterior torso", "concomitant_biopsy": true, "diagnosis_1": "Benign", "diagnosis_2": "Benign epidermal proliferations", "diagnosis_3": "Seborrheic keratosis", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_0862525", "melanocytic": false, "sex": "male" }
{ "age_approx": 60, "anatom_site_general": "lower extremity", "concomitant_biopsy": true, "diagnosis_1": "Malignant", "diagnosis_2": "Malignant adnexal epithelial proliferations - Follicular", "diagnosis_3": "Basal cell carcinoma", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_7214102", "melanocytic": false, "sex": "male" }
{ "age_approx": 45, "anatom_site_general": "head/neck", "benign_malignant": "benign", "concomitant_biopsy": false, "diagnosis_1": "Benign", "diagnosis_2": "Benign melanocytic proliferations", "diagnosis_3": "Nevus", "diagnosis_confirm_type": "confocal microscopy with consensus dermoscopy", "image_type": "dermoscopic", "lesion_id": "IL_3102108", "melanocytic": true, "sex": "male" }
{ "age_approx": 30, "anatom_site_general": "head/neck", "benign_malignant": "malignant", "concomitant_biopsy": true, "diagnosis_1": "Malignant", "diagnosis_2": "Malignant melanocytic proliferations (Melanoma)", "diagnosis_3": "Melanoma, NOS", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_5567628", "melanocytic": true, "sex": "male" }
{ "age_approx": 55, "anatom_site_general": "anterior torso", "concomitant_biopsy": false, "diagnosis_1": "Malignant", "diagnosis_2": "Malignant adnexal epithelial proliferations - Follicular", "diagnosis_3": "Basal cell carcinoma", "image_type": "dermoscopic", "lesion_id": "IL_0743901", "melanocytic": false, "sex": "female" }
{ "age_approx": 45, "anatom_site_general": "anterior torso", "benign_malignant": "benign", "concomitant_biopsy": true, "diagnosis_1": "Benign", "diagnosis_2": "Benign melanocytic proliferations", "diagnosis_3": "Nevus", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_9219318", "melanocytic": true, "sex": "male" }
{ "age_approx": 85, "anatom_site_general": "head/neck", "concomitant_biopsy": true, "diagnosis_1": "Malignant", "diagnosis_2": "Malignant melanocytic proliferations (Melanoma)", "diagnosis_3": "Melanoma metastasis", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_0554786", "melanocytic": true, "sex": "male" }
{ "age_approx": 70, "anatom_site_general": "lower extremity", "concomitant_biopsy": true, "diagnosis_1": "Malignant", "diagnosis_2": "Malignant adnexal epithelial proliferations - Follicular", "diagnosis_3": "Basal cell carcinoma", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_3454210", "melanocytic": false, "sex": "male" }
{ "age_approx": 80, "anatom_site_general": "head/neck", "concomitant_biopsy": false, "diagnosis_1": "Indeterminate", "diagnosis_2": "Indeterminate epidermal proliferations", "diagnosis_3": "Solar or actinic keratosis", "image_type": "dermoscopic", "lesion_id": "IL_8847744", "melanocytic": false, "sex": "female" }
{ "age_approx": 40, "anatom_site_general": "anterior torso", "benign_malignant": "benign", "concomitant_biopsy": true, "diagnosis_1": "Benign", "diagnosis_2": "Benign melanocytic proliferations", "diagnosis_3": "Nevus", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_0161445", "melanocytic": true, "sex": "male" }
{ "age_approx": 70, "anatom_site_general": "anterior torso", "concomitant_biopsy": false, "diagnosis_1": "Malignant", "diagnosis_2": "Malignant adnexal epithelial proliferations - Follicular", "diagnosis_3": "Basal cell carcinoma", "image_type": "dermoscopic", "lesion_id": "IL_2335782", "melanocytic": false, "sex": "male" }
{ "age_approx": 75, "anatom_site_general": "head/neck", "benign_malignant": "malignant", "concomitant_biopsy": true, "diagnosis_1": "Malignant", "diagnosis_2": "Malignant melanocytic proliferations (Melanoma)", "diagnosis_3": "Melanoma, NOS", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_8934143", "melanocytic": true, "sex": "male" }
{ "age_approx": 85, "anatom_site_general": "head/neck", "concomitant_biopsy": true, "diagnosis_1": "Malignant", "diagnosis_2": "Malignant adnexal epithelial proliferations - Follicular", "diagnosis_3": "Basal cell carcinoma", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_6311702", "melanocytic": false, "sex": "male" }
{ "age_approx": 60, "anatom_site_general": "anterior torso", "concomitant_biopsy": true, "diagnosis_1": "Benign", "diagnosis_2": "Benign epidermal proliferations", "diagnosis_3": "Seborrheic keratosis", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_7221001", "melanocytic": false, "sex": "male" }