Genital Neoplasms, MaleGastrointestinal Stromal TumorsSex Cord-Gonadal Stromal TumorsStromal CellsProto-Oncogene Proteins c-kitGastrointestinal NeoplasmsBenzamidesPiperazinesPyrimidinesGranulosa Cell TumorSertoli Cell TumorReceptor, Platelet-Derived Growth Factor alphaThecomaTumor Markers, BiologicalAdolescent BehaviorOvarian NeoplasmsEndometrial Stromal TumorsImmunohistochemistryMesenchymomaAntineoplastic AgentsSpinal CordCalbindin 2Sarcoma, Endometrial StromalNephroma, MesoblasticTumor BurdenCell Line, TumorAdolescent PsychologyDuodenal NeoplasmsFibrous Dysplasia, MonostoticMitotic IndexNeoplasms, Connective TissuePyrrolesUterine NeoplasmsNeoplasms, Multiple PrimaryJejunal NeoplasmsEpithelioid CellsTumor Necrosis Factor-alphaLeiomyosarcomaMutationStomach NeoplasmsIleal NeoplasmsTomography, X-Ray ComputedVimentinNeprilysinIntestinal NeoplasmsTreatment OutcomeSpinal Cord InjuriesIndoles