Segmented CT pelvis scans with annotated anatomical landmarks

5 bone segmentation masks and 15 annotations of anatomical landmarks for pelvis bones in each of 90 Computed Tomography (CT) cases extracted from the [CT Lymph nodes](https://wiki.cancerimagingarchive.net/display/Public/CT+Lymph+Nodes) and [CT Colonography](https://wiki.cancerimagingarchive.net/display/Public/CT+COLONOGRAPHY) collections from the [The Cancer Imaging Archive](https://www.cancerimagingarchive.net/) (TCIA).