Mast CellsLeukemia, Basophilic, AcuteMastocytomaMast-Cell SarcomaDog DiseasesReceptors, IgEMastocytosisMastocytosis, CutaneousMastocytoma, SkinDogsProto-Oncogene Proteins c-kitHistiocytoma, Benign FibrousSkin NeoplasmsGranulosa Cell TumorVenereal Tumors, VeterinaryGiant Cell Tumor of BoneCell DegranulationGiant Cell TumorsHistamine ReleasePathology, VeterinaryCat DiseasesNeoplasms, Germ Cell and EmbryonalGranular Cell TumorHistiocytic Disorders, MalignantTesticular NeoplasmsTryptasesSertoli Cell TumorChymasesp-Methoxy-N-methylphenethylamineLeydig Cell TumorImmunohistochemistryNucleolus Organizer RegionGerminomaImmunoglobulin EHistocytochemistrySeminomaCromolyn SodiumTumor Markers, BiologicalTumor Necrosis Factor-alphaHistamineAnaphylaxisDNA, NeoplasmSertoli-Leydig Cell TumorMastocytosis, SystemicSerine EndopeptidasesStem Cell FactorCell Line, TumorEndodermal Sinus TumorAdenoma, Islet CellPeritoneal CavityCells, CulturedRetrospective StudiesLeukemia, Mast-CellPassive Cutaneous AnaphylaxisMice, Inbred C57BLTumor BurdenPrognosisbeta-N-AcetylhexosaminidasesCell CountMice, Inbred BALB CCytoplasmic GranulesBasophilsCarboxypeptidases AKetotifenNeoplasms, ExperimentalSkinRNA, MessengerThioxanthenesTeratomaOvarian NeoplasmsWilms TumorSignal TransductionBone NeoplasmsMediastinal NeoplasmsGenes, Tumor SuppressorTolonium ChlorideCell LineRetroperitoneal NeoplasmsDesmoplastic Small Round Cell TumorHypersensitivityCarcinoid TumorMice, KnockoutCell DivisionTumor Suppressor Protein p53Urticaria PigmentosaBrain NeoplasmsCytokinesAnti-Allergic AgentsReverse Transcriptase Polymerase Chain ReactionNeuroendocrine TumorsConnective Tissue CellsTime FactorsCell ProliferationMice, Mutant StrainsTumor Suppressor ProteinsNeovascularization, PathologicBone Marrow CellsProstaglandin D2Interleukin-3Sex Cord-Gonadal Stromal Tumors