Sex Cord-Gonadal Stromal TumorsGastrointestinal Stromal TumorsFibrous Dysplasia, MonostoticGranulosa Cell TumorUterine NeoplasmsOvarian NeoplasmsSertoli Cell TumorCalbindin 2ThecomaNeprilysinStromal CellsProto-Oncogene Proteins c-kitSpinal CordGastrointestinal NeoplasmsBenzamidesPiperazinesPyrimidinesSpinal Cord InjuriesReceptor, Platelet-Derived Growth Factor alphaS100 Calcium Binding Protein GMART-1 AntigenVimentinOvariectomyProgesteroneSex FactorsSex CharacteristicsUmbilical CordTumor Markers, BiologicalImmunohistochemistry