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": 60, "anatom_site_general": "head/neck", "concomitant_biopsy": true, "diagnosis_1": "Benign", "diagnosis_2": "Benign epidermal proliferations", "diagnosis_3": "Solar lentigo", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_5612605", "melanocytic": false, "sex": "male" }
{ "age_approx": 50, "anatom_site_general": "lower extremity", "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_7117010", "melanocytic": false, "sex": "female" }
{ "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_4744065", "melanocytic": true, "sex": "male" }
{ "age_approx": 65, "anatom_site_general": "palms/soles", "anatom_site_special": "acral palms or soles", "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_6884804", "melanocytic": true, "sex": "female" }
{ "age_approx": 80, "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_9181492", "melanocytic": false, "sex": "male" }
{ "age_approx": 70, "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_4888325", "melanocytic": true, "sex": "male" }
{ "age_approx": 40, "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_0202022", "melanocytic": true, "sex": "male" }
{ "age_approx": 35, "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_6190785", "melanocytic": false, "sex": "female" }
{ "age_approx": 85, "anatom_site_general": "upper 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_3306098", "melanocytic": false, "sex": "male" }
{ "age_approx": 75, "anatom_site_general": "upper 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_0970727", "melanocytic": true, "sex": "female" }
{ "age_approx": 45, "anatom_site_general": "anterior torso", "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_1681420", "melanocytic": true, "sex": "female" }
{ "age_approx": 70, "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_2096148", "melanocytic": true, "sex": "male" }
{ "age_approx": 50, "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_9230037", "melanocytic": true, "sex": "female" }
{ "age_approx": 70, "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_7407449", "melanocytic": true, "sex": "female" }
{ "age_approx": 50, "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_9461939", "melanocytic": false, "sex": "female" }
{ "age_approx": 55, "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_8443174", "melanocytic": true, "sex": "female" }
{ "age_approx": 80, "anatom_site_general": "head/neck", "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_5859578", "melanocytic": false, "sex": "female" }
{ "age_approx": 70, "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_4997414", "melanocytic": false, "sex": "male" }
{ "age_approx": 35, "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_5412156", "melanocytic": true, "sex": "male" }
{ "age_approx": 75, "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_1817482", "melanocytic": true, "sex": "male" }
{ "age_approx": 30, "anatom_site_general": "head/neck", "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_9242251", "melanocytic": false, "sex": "male" }
{ "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_0738270", "melanocytic": true, "sex": "female" }
{ "age_approx": 30, "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_7636982", "melanocytic": true, "sex": "female" }
{ "age_approx": 40, "anatom_site_general": "upper extremity", "concomitant_biopsy": false, "diagnosis_1": "Malignant", "diagnosis_2": "Malignant adnexal epithelial proliferations - Follicular", "diagnosis_3": "Basal cell carcinoma", "image_type": "dermoscopic", "lesion_id": "IL_8029506", "melanocytic": false, "sex": "male" }
{ "age_approx": 70, "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_7953530", "melanocytic": true, "sex": "male" }
{ "age_approx": 40, "anatom_site_general": "lower extremity", "concomitant_biopsy": false, "diagnosis_1": "Benign", "diagnosis_2": "Benign soft tissue proliferations - Fibro-histiocytic", "diagnosis_3": "Dermatofibroma", "diagnosis_confirm_type": "confocal microscopy with consensus dermoscopy", "image_type": "dermoscopic", "lesion_id": "IL_4423060", "melanocytic": false, "sex": "male" }
{ "age_approx": 70, "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_6802689", "melanocytic": true, "sex": "female" }
{ "age_approx": 65, "anatom_site_general": "head/neck", "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_6273116", "melanocytic": false, "sex": "male" }