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README.md

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+---
+license: cc-by-4.0
+task_categories:
+  - image-segmentation
+tags:
+  - medical
+  - ct
+  - adrenal
+  - adrenocortical-carcinoma
+  - ki-67
+  - tumor-segmentation
+  - dicom
+  - tcia
+pretty_name: Adrenal-ACC-Ki67-Seg
+size_categories:
+  - n<1K
+---
+
+# Adrenal-ACC-Ki67-Seg
+
+Voxel-level segmentation of pathologically-proven Adrenocortical Carcinoma (ACC)
+tumors on contrast-enhanced CT, with matched Ki-67 proliferation-marker labels.
+
+## Dataset Details
+
+| Field | Value |
+|---|---|
+| Modality | CT (contrast-enhanced) |
+| Body part | Abdomen — adrenal gland (tumor) |
+| Task | 3D binary tumor segmentation |
+| Patients | 53 |
+| Studies | 65 |
+| CT series | 124 |
+| SEG series | 53 (one per patient) |
+| Images | 18,255 DICOM slices |
+| Format | DICOM (images) + DICOM SEG (segmentations) + XLSX (clinical) |
+| License | CC BY 4.0 |
+
+No predefined train/val/test split — single cohort of 53 patients with
+pathologically confirmed ACC imaged between 2006 and 2018. Tumor volumes
+range from 2.6 to 7,864 cm³ (median ~177 cm³).
+
+## Structure
+
+```
+images/<PatientID>/<StudyInstanceUID>/<SeriesInstanceUID>/*.dcm
+segmentations/<PatientID>/<StudyInstanceUID>/<SeriesInstanceUID>/*.dcm
+Adrenal-ACC-Ki67-Seg_SupportingData_20230522.xlsx   # clinical & Ki-67 data
+series_to_patient.json                              # series-level metadata index
+```
+
+Segmentation DICOMs are DICOM SEG objects and reference their source CT series
+via DICOM metadata. Clinical metadata (demographics, Ki-67 index, follow-up,
+tumor measurements) is provided in the XLSX spreadsheet.
+
+## Source
+
+- TCIA collection: https://www.cancerimagingarchive.net/collection/adrenal-acc-ki67-seg/
+- DOI: `10.7937/1FPG-VM46`
+
+## Citation
+
+```bibtex
+@article{ahmed2020radiomic,
+  author  = {Ahmed, Ahmed A. and Elmohr, Mohab M. and Fuentes, David and
+             Habra, Mouhammed A. and Fisher, Sarah B. and Perrier, Nancy D. and
+             Zhang, Meng and Elsayes, Khaled M.},
+  title   = {Radiomic mapping model for prediction of Ki-67 expression in
+             adrenocortical carcinoma},
+  journal = {Clinical Radiology},
+  volume  = {75},
+  number  = {6},
+  pages   = {479.e17--479.e22},
+  year    = {2020},
+  doi     = {10.1016/j.crad.2020.01.012}
+}
+
+@misc{adrenalacc2022tcia,
+  author    = {Ahmed, A. A. and Elmohr, M. M. and Fuentes, D. and
+               Habra, M. A. and Fisher, S. B. and Perrier, N. D. and
+               Zhang, M. and Elsayes, K. M.},
+  title     = {Adrenal-ACC-Ki67-Seg [Dataset]},
+  year      = {2022},
+  publisher = {The Cancer Imaging Archive},
+  doi       = {10.7937/1FPG-VM46}
+}
+```