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": 65, "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_6191762", "melanocytic": false, "sex": "male" }
{ "age_approx": 65, "anatom_site_general": "anterior torso", "concomitant_biopsy": true, "diagnosis_1": "Indeterminate", "diagnosis_2": "Indeterminate epidermal proliferations", "diagnosis_3": "Solar or actinic keratosis", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_2892215", "melanocytic": false, "sex": "male" }
{ "age_approx": 50, "anatom_site_general": "lower extremity", "concomitant_biopsy": true, "diagnosis_1": "Malignant", "diagnosis_2": "Malignant epidermal proliferations", "diagnosis_3": "Squamous cell carcinoma, NOS", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_1255525", "melanocytic": false, "sex": "female" }
{ "age_approx": 70, "anatom_site_general": "head/neck", "concomitant_biopsy": true, "diagnosis_1": "Benign", "diagnosis_2": "Benign soft tissue proliferations - Vascular", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_9074355", "melanocytic": false, "sex": "male" }
{ "age_approx": 85, "anatom_site_general": "head/neck", "concomitant_biopsy": false, "diagnosis_1": "Indeterminate", "diagnosis_2": "Indeterminate epidermal proliferations", "diagnosis_3": "Solar or actinic keratosis", "diagnosis_confirm_type": "confocal microscopy with consensus dermoscopy", "image_type": "dermoscopic", "lesion_id": "IL_8720115", "melanocytic": false, "sex": "male" }
{ "age_approx": 65, "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_2303062", "melanocytic": false, "sex": "female" }
{ "age_approx": 55, "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_4031318", "melanocytic": true, "sex": "male" }
{ "age_approx": 50, "anatom_site_general": "anterior torso", "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_9562924", "melanocytic": true, "sex": "female" }
{ "age_approx": 65, "anatom_site_general": "head/neck", "concomitant_biopsy": false, "diagnosis_1": "Benign", "diagnosis_2": "Benign epidermal proliferations", "diagnosis_3": "Solar lentigo", "diagnosis_confirm_type": "confocal microscopy with consensus dermoscopy", "image_type": "dermoscopic", "lesion_id": "IL_6291938", "melanocytic": false, "sex": "male" }
{ "age_approx": 25, "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_0467957", "melanocytic": true, "sex": "male" }
{ "age_approx": 40, "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_0534235", "melanocytic": true, "sex": "female" }
{ "age_approx": 55, "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_6540681", "melanocytic": true, "sex": "female" }
{ "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_1174061", "melanocytic": true, "sex": "male" }
{ "age_approx": 55, "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_6059988", "melanocytic": false, "sex": "female" }
{ "age_approx": 35, "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_3238347", "melanocytic": false, "sex": "female" }
{ "age_approx": 80, "anatom_site_general": "anterior torso", "concomitant_biopsy": false, "diagnosis_1": "Malignant", "diagnosis_2": "Malignant epidermal proliferations", "diagnosis_3": "Squamous cell carcinoma, NOS", "image_type": "dermoscopic", "lesion_id": "IL_0642815", "melanocytic": false, "sex": "male" }
{ "age_approx": 50, "anatom_site_general": "anterior torso", "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_7080863", "melanocytic": true, "sex": "male" }
{ "age_approx": 85, "anatom_site_general": "lower extremity", "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_8977200", "melanocytic": false, "sex": "female" }
{ "age_approx": 75, "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_2825585", "melanocytic": false, "sex": "female" }
{ "age_approx": 20, "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_2548332", "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_8286197", "melanocytic": false, "sex": "male" }
{ "age_approx": 85, "anatom_site_general": "lower extremity", "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_5570380", "melanocytic": true, "sex": "female" }
{ "age_approx": 85, "anatom_site_general": "head/neck", "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_9665038", "melanocytic": false, "sex": "male" }
{ "age_approx": 65, "anatom_site_general": "head/neck", "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_7435703", "melanocytic": false, "sex": "female" }
{ "age_approx": 65, "anatom_site_general": "palms/soles", "anatom_site_special": "acral palms or soles", "concomitant_biopsy": false, "diagnosis_1": "Malignant", "diagnosis_2": "Malignant melanocytic proliferations (Melanoma)", "diagnosis_3": "Melanoma metastasis", "image_type": "dermoscopic", "lesion_id": "IL_2208510", "melanocytic": true, "sex": "male" }
{ "age_approx": 65, "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_0569851", "melanocytic": true, "sex": "male" }
{ "age_approx": 70, "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_3822634", "melanocytic": false, "sex": "male" }