HamartomaHamartoma Syndrome, MultipleProto-Oncogene Proteins c-retTuberous SclerosisSyndromeHypothalamic DiseasesPTEN PhosphohydrolaseTumor Suppressor ProteinsPhosphoric Monoester HydrolasesCell Transformation, NeoplasticBrunner GlandsNeoplasmsLaughterPeutz-Jeghers SyndromeCell ProliferationMutationGene Expression Regulation, NeoplasticBreast NeoplasmsCell Line, TumorTumor Suppressor Protein p53DNA Sequence, UnstableOrofaciodigital SyndromesSignal TransductionUltraviolet RaysLipomaBreast DiseasesMamillary BodiesApoptosisNeurofibromatosis 1Ultrasonography, MammaryReceptors, Wnt