Media Credits
Summary by modality
- Dermoscopy (9 images)
- Electrocardiogram 12 leads (14 tracings)
- Upper gastrointestinal endoscopy (7 images)
- Colonoscopy (8 images)
- Blood smear (10 images)
- Physical examination (8 images)
- Magnetic resonance imaging (5 images)
- Colposcopy (5 images)
- Retinal fundoscopy (7 images)
- Histopathology (11 slides)
- Mammogram (5 images)
- Ultrasound (10 images)
- Chest x-ray (7 images)
- Computed tomography (7 images)
- PET/CT fusion (7 images)
- Heart and lung auscultation (19 audios)
Dermoscopy (9 images)
High-resolution dermoscopic lesions from the MSK-1 collection (Memorial Sloan Kettering Cancer Center) via ISIC Archive. Includes melanoma, nevi, carcinomas and keratoses.
ISIC Archive: MSK-1 collection
License: CC0 1.0 Universal (Public Domain) · Count: 9 files
Native resolution ~6600×4400 px, free for commercial use without mandatory attribution.
Electrocardiogram 12 leads (14 tracings)
12-lead ECGs rendered from PhysioNet's PTB-XL dataset, including normal sinus rhythm, atrial fibrillation, inferior and anterior AMI, LBBB, RBBB, 1st degree AVB, left ventricular hypertrophy, and Wolff-Parkinson-White.
PTB-XL v1.0.3 (PhysioNet, Physikalisch-Technische Bundesanstalt Berlin)
License: CC BY 4.0 · Count: 14 files
Citation: Wagner P et al. PTB-XL, a large publicly available electrocardiography dataset. Scientific Data 7, 154 (2020).
Upper gastrointestinal endoscopy (7 images)
Upper gastrointestinal endoscopy including Barrett's esophagus, esophagitis grades A and B-D (Los Angeles), normal pylorus and Z line.
HyperKvasir (Simula Research Laboratory + Bærum Hospital, Norway)
License: CC BY 4.0 · Count: 7 files
Citation: Borgli H et al. HyperKvasir, a comprehensive multi-class image and video dataset for gastrointestinal endoscopy. Scientific Data 7, 283 (2020).
Colonoscopy (8 images)
Colonoscopy with colon polyp, polyp with chromoscopy, ulcerative colitis grades 2 and 3 (Mayo), internal hemorrhoids, normal terminal ileum, rectum and cecum.
HyperKvasir (Simula Research Laboratory + Bærum Hospital, Norway)
License: CC BY 4.0 · Count: 8 files
Blood smear (10 images)
Blood smear with Plasmodium falciparum (NIH/NLM) and normal cells (neutrophil, eosinophil, basophil, lymphocyte, monocyte, immature granulocyte, erythroblast, platelets).
NIH/NLM LHNCBC Malaria Screener
License: Public Domain (US Government Work) · Count: 2 files
Citation: Rajaraman S et al. PeerJ 6:e4568 (2018).
PBC Dataset (Hospital Clínic Barcelona, CellaVision DM96)
License: CC BY 4.0 · Count: 8 files
Citation: Acevedo A et al. A dataset of microscopic peripheral blood cell images. Data in Brief 30:105474 (2020).
Physical examination (8 images)
Clinical signs on physical examination: digital clubbing, infectious cellulitis, cyanosis, erythema nodosum, herpes zoster, jaundice, petechiae and vitiligo.
Wikimedia Commons (checked individually per page)
License: Public Domain, CC0, CC BY 4.0 and CC BY-SA 3.0 · Count: 8 files
Authors: Ann McGrath, Sheila J. Toro (Sedooka), Seasurfer and Wikimedia Commons contributors.
Magnetic resonance imaging (5 images)
Brain MRI with ischemic stroke, multiple sclerosis, glioblastoma, brain metastasis and knee MRI with meniscus injury.
License: Public Domain, CC0, CC BY 4.0 and CC BY-SA 4.0 · Count: 5 files
Authors: NIH/NHLBI, Favaretto et al., Steven Keating, Lange123 and Drahreg01.
Colposcopy (5 images)
Colposcopy with application of acetic acid, ectropion and nulliparous cervix. Historical reference series.
License: CC BY-SA 4.0 · Count: 5 files
Retinal fundoscopy (7 images)
Fundus photography with normal background, grade 1 to 4 diabetic retinopathy, diabetic macular edema and glaucoma.
IDRiD (Indian Diabetic Retinopathy Image Dataset, IEEE DataPort)
License: CC BY 4.0 · Count: 6 files
Citation: Porwal P et al. Indian Diabetic Retinopathy Image Dataset (IDRiD): A Database for Diabetic Retinopathy Screening Research. Data 3(3):25, 2018.
Histopathology (11 slides)
Breast (4) and multi-organ H&E slides (lung, liver, kidney, colon, thyroid, bone, totaling 7).
Kaggle (andrewmvd/breast-cancer-cell-segmentation)
License: CC0 · Count: 4 files
Dataset originally from Janowczyk & Madabhushi (Case Western, 2016).
Wikimedia Commons (multi-organ)
License: CC0, CC BY 4.0, CC BY-SA 3.0 and CC BY-SA 4.0 · Count: 7 files
Authors: Chen CL et al., Mikael Häggström M.D., Nephron, KGH and contributors.
Mammogram (5 images)
Mammograms with normal, benign, malignant and suspicious lesions.
Kaggle (annkristinbalve/mias-mammography-rois)
License: CC0 · Count: 4 files
Kaggle (orvile/dmid-breast-cancer-mammography-dataset-png)
License: CC0 · Count: 1 file
Ultrasound (10 images)
Ultrasound of fetal heart (4 chambers), liver (steatosis, benign and malignant lesions) and breast (normal, benign and malignant).
Kaggle (alimusarizvi/fetal-heart-four-chamber-ultrasound-image)
License: CC0 · Count: 2 files
Kaggle (orvile/annotated-ultrasound-liver-images-dataset)
License: CC0 · Count: 4 files
Kaggle (sabahesaraki/breast-ultrasound-images-dataset)
License: CC0 · Count: 4 files
Chest x-ray (7 images)
Radiographs showing cardiomegaly, pulmonary consolidation, pleural effusion, pulmonary edema, pulmonary nodule, pneumothorax and tuberculosis.
NIH ChestX-ray14 (Wang et al., CVPR 2017)
License: CC0 · Count: 6 files
Shenzhen Hospital CXR (Jaeger et al., IEEE JBHI 2014)
License: CC0 · Count: 1 file
Computed tomography (7 images)
CT with acute appendicitis, ischemic stroke, nephrolithiasis, lung neoplasia, acute PTE, acute subdural hematoma and acute pancreatitis.
Wikimedia Commons (individually verified)
License: CC0 and CC BY-SA 3.0 · Count: 7 files
PET/CT fusion (7 images)
Coronal PET/CT fusions with FDG and PSMA uptake in bronchogenic carcinoma (2), cutaneous melanoma, metastatic melanoma, prostate cancer, whole body NSCLC and soft tissue sarcoma.
ENHANCE.PET (University Hospital Leipzig)
License: CC BY 4.0 · Count: 2 files
License: CC BY 4.0 · Count: 1 file
TCIA PSMA-PET-CT-Lesions (Gatidis et al.)
License: CC BY 4.0 · Count: 1 file
TCIA CMB-MML (metastatic melanoma)
License: CC BY 4.0 · Count: 1 file
TCIA NSCLC-Radiogenomics (Stanford)
License: CC BY 3.0 · Count: 1 file
TCIA Soft-Tissue-Sarcoma (McGill)
License: CC BY 3.0 · Count: 1 file
Heart and lung auscultation (19 audios)
Cardiac auscultation audios (S1, S3, S4, midsystolic click, ASD, VSD, mitral stenosis, aortic and mitral regurgitation) and pulmonary (vesicular murmur, tracheal sound, pleural friction, crackles, stridor, rhonchi, wheezing). Each file has focus, cycle phase and sound frequency metadata.
NEXO's own collection
License: All rights reserved · Count: 19 files
Author recordings with Littmann Classic III stethoscope. 9 cardiac (2 physiological + 7 pathological) and 10 pulmonary (2 physiological + 8 pathological).
About commercial use
All 124 clinical images listed above have been verified as compatible with commercial use under their respective licenses (CC0, CC BY 4.0, CC BY-SA 3.0/4.0, public domain). The 19 auscultation audio recordings are part of NEXO's own collection, produced by our team.
Each media file has an XMP (Extensible Metadata Platform) sidecar with Dublin Core and IPTC metadata containing title, author, source, license and structured clinical context.
Report attribution error
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