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": 85, "anatom_site_general": "lower extremity", "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_6215191", "melanocytic": true, "sex": "male" }
{ "age_approx": 50, "anatom_site_general": "head/neck", "concomitant_biopsy": false, "diagnosis_1": "Malignant", "diagnosis_2": "Malignant adnexal epithelial proliferations - Follicular", "diagnosis_3": "Basal cell carcinoma", "diagnosis_confirm_type": "confocal microscopy with consensus dermoscopy", "image_type": "dermoscopic", "lesion_id": "IL_7748691", "melanocytic": false, "sex": "female" }
{ "age_approx": 45, "anatom_site_general": "anterior torso", "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_2241090", "melanocytic": true, "sex": "male" }
{ "age_approx": 50, "anatom_site_general": "head/neck", "concomitant_biopsy": false, "diagnosis_1": "Malignant", "diagnosis_2": "Malignant adnexal epithelial proliferations - Follicular", "diagnosis_3": "Basal cell carcinoma", "image_type": "dermoscopic", "lesion_id": "IL_3717384", "melanocytic": false, "sex": "male" }
{ "age_approx": 75, "anatom_site_general": "upper 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_2233700", "melanocytic": false, "sex": "male" }
{ "age_approx": 85, "anatom_site_general": "anterior torso", "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_7922184", "melanocytic": true, "sex": "male" }
{ "age_approx": 30, "anatom_site_general": "palms/soles", "anatom_site_special": "acral palms or soles", "concomitant_biopsy": true, "diagnosis_1": "Benign", "diagnosis_2": "Benign melanocytic proliferations", "diagnosis_3": "Nevus", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_3101894", "melanocytic": true, "sex": "female" }
{ "age_approx": 70, "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_7829743", "melanocytic": false, "sex": "female" }
{ "age_approx": 50, "anatom_site_general": "lower extremity", "concomitant_biopsy": true, "diagnosis_1": "Benign", "diagnosis_2": "Benign melanocytic proliferations", "diagnosis_3": "Nevus", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_4203310", "melanocytic": true, "sex": "male" }
{ "age_approx": 70, "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_9270111", "melanocytic": false, "sex": "female" }
{ "age_approx": 35, "anatom_site_general": "anterior torso", "concomitant_biopsy": true, "diagnosis_1": "Benign", "diagnosis_2": "Benign melanocytic proliferations", "diagnosis_3": "Nevus", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_7451021", "melanocytic": true, "sex": "male" }
{ "age_approx": 45, "anatom_site_general": "anterior torso", "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_7738448", "melanocytic": true, "sex": "male" }
{ "age_approx": 75, "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_3915795", "melanocytic": false, "sex": "male" }
{ "age_approx": 80, "anatom_site_general": "palms/soles", "anatom_site_special": "acral palms or soles", "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_4217400", "melanocytic": true, "sex": "female" }
{ "age_approx": 70, "anatom_site_general": "upper extremity", "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_6202306", "melanocytic": true, "sex": "female" }
{ "age_approx": 50, "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_9367740", "melanocytic": false, "sex": "female" }
{ "age_approx": 75, "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_9368625", "melanocytic": false, "sex": "male" }
{ "age_approx": 55, "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_6736449", "melanocytic": false, "sex": "female" }
{ "age_approx": 35, "anatom_site_general": "upper extremity", "concomitant_biopsy": true, "diagnosis_1": "Benign", "diagnosis_2": "Benign melanocytic proliferations", "diagnosis_3": "Nevus", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_7536086", "melanocytic": true, "sex": "female" }
{ "age_approx": 20, "anatom_site_general": "anterior torso", "concomitant_biopsy": true, "diagnosis_1": "Benign", "diagnosis_2": "Benign melanocytic proliferations", "diagnosis_3": "Nevus", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_0502311", "melanocytic": true, "sex": "female" }
{ "age_approx": 30, "anatom_site_general": "anterior torso", "concomitant_biopsy": true, "diagnosis_1": "Benign", "diagnosis_2": "Benign melanocytic proliferations", "diagnosis_3": "Nevus", "diagnosis_confirm_type": "histopathology", "image_type": "dermoscopic", "lesion_id": "IL_4631370", "melanocytic": true, "sex": "female" }
{ "age_approx": 70, "anatom_site_general": "lower extremity", "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_8866248", "melanocytic": true, "sex": "male" }
{ "age_approx": 50, "anatom_site_general": "lower extremity", "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_1519427", "melanocytic": true, "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_7452948", "melanocytic": false, "sex": "male" }
{ "age_approx": 35, "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_7485421", "melanocytic": false, "sex": "female" }
{ "age_approx": 30, "anatom_site_general": "palms/soles", "anatom_site_special": "acral palms or soles", "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_6137606", "melanocytic": true, "sex": "female" }