Here are the classes, structs, unions and interfaces with brief descriptions:

[detail level 12]

itk
ImageToVTKImageFilter	Converts an ITK image into a VTK image and plugs a itk data pipeline to a VTK datapipeline
VTKImageToImageFilter	Converts a VTK image into an ITK image and plugs a vtk data pipeline to an ITK datapipeline
AxeThing
CommandDataBase
CommandObject
CommandsHandler
CommandsRegisterStructure
ComposedCommand
ConceptDataWrap
ContourThing
ContourWorkspace
ContourWrap_ViewControl
ExecutableCommand
ICommandsUser
ImageSectionThing
ImageSourceThing
InstantMembersNameList
interfCalibrationPanel
interfConfigurationPanel
interfDeleteMenu
interfEditMenu
interfImageToolsMenu
interfInformationPanel
interfIOMenu
interfMainPanel
interfMenuBar
interfMirrorPanel
interfNewContourMenu
interfSegmentationMenu
interfSegmentationPanelITK
interfSegmentationPanelVTK
interfSpreadPanel
interfTestPanel
interfToolsMenu
interfToolsSpreadPanel
KernelManagerContour
KeyThing
NameWrapper
OsirixParser
OsirixParserErrorHandler
OutlineGroup
OutlineModelBuilder
OutlineModelManager
PanelBullEyeOptions
PerformingOperation
PrefixMaxKeyGenerator
wxConceptControl
wxContour_ActionCommandsID
wxContour_AutomaticFormsToolsPanel
wxContour_ButtonsBar
wxContour_ControlPanel
wxContour_DrawToolsPanel
wxContour_EdtionToolsPanel
wxContour_Grid
wxContour_ListViewPanel
wxContour_MenuBar
wxContour_OperationsToolsPanel
wxContour_StandardToolsPanel
wxContourMainFrame
wxContourMainPanel
wxContourViewPanel
wxInstantChooserPanel
wxVtkBaseView_SceneManager