Pheochromocytoma Masked by Mutation in the TH Gene.

1 Département des Laboratoires, Laboratoire des Catécholamines et Peptides, University Hospital of Lausanne, Lausanne, Switzerland; 2 Laboratoire de Diagnostic Moléculaire, Service de Génétique Médicale, University Hospital of Lausanne, Lausanne, Switzerland; 3 Service d’Endocrinologie et Diabétologie de l’Hôpital Cantonal de Fribourg, Villars-sur-Glȃne, Switzerland; 4 Institute of Pathology, University Hospital of Lausanne, Lausanne, Switzerland; 5 Pathologie, Promed Laboratoire Médical SA, Fribourg, Switzerland; 6 Service de Génétique Médicale, University Hospital of Lausanne, Lausanne, Switzerland; 7 Division of Endocrinology, Diabetes and Metabolism, University Hospital of Zurich, Zurich, Switzerland. † Karim Abid and Katayoun Afshar contributed equally to this article and Zahurul A. Bhuiyan and Eric Grouzmann shared senior authorship.