Recommendations for the detection and diagnosis of Niemann-Pick disease type C: An update
Marc C Patterson1, Peter Clayton1, Paul Gissen1
1Mayo Clinic (MCP), Rochester, MN; UCL Great Ormond Street Institute of Child Health (PC, PG), London, UK; Great Ormond Street Hospital (PG), London, UK; Département de Neurologie (MA), Hôpital de Hautepierre, CHU de Strasbourg; Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC) (MA), INSERM-U964/CNRS-UMR7104/Université de Strasbourg, Illkirch; Fédération de Médecine Translationnelle de Strasbourg (FMTS) (MA), Université de Strasbourg, France; Institute of Medical Genetics and Applied Genomics (PB), University Hospital of Tübingen; Centogene AG (PB), Rostock, Germany; Universitaire de Psychiatrie de l'Enfant et de l'Adolescent (OB), CHU de Nantes, France; Regional Coordinator Centre for Rare Diseases (AD), University Hospital Santa Maria della Misericordia, Udine, Italy; Division of Metabolism, Bambino Gesù Children's Hospital (CD-V), Rome, Italy; Klinik und Poliklinik für Psychiatrie, Psychosomatik und Psychotherapie der Universität Regensburg am Bezirksklinikum (H-HK), Regensburg, Germany; Hospices Civils de Lyon-Centre de Biologie et Pathologie Est (PL), Bron, France; University of São Paulo (HCFMRP-USP) (CML), Ribeirão Preto, SP, Brazil; Department of Medicine (DSO), Washington University, St Louis, MO; Child Development Centre (AP), Addenbrooke's Hospital, Cambridge, UK; University of Zaragoza (MP), IIS Aragon, Spain; Department of Neurology and German Center for Vertigo and Balance Disorders (MS), University Hospital Munich, Germany; Laboratoire Gillet-Mérieux (MTV), Centre de Biologie et Pathologie Est, Hospices Civils de Lyon, Bron, France; Department of Neuropsychiatry (MW), Royal Melbourne Hospital & University of Melbourne, Australia; and Universitätsklinikum Münster (TM), Germany.
Purpose Of Review:
Niemann-Pick disease type C (NP-C) is a neurovisceral disorder that may be more prevalent than earlier estimates. Diagnosis of NP-C is often delayed; a key aim for clinical practice is to reduce this delay. Recently, substantial progress has been made in the field of NP-C screening and diagnosis, justifying an update to the existing recommendations for clinical practice.
Recent Findings:
New biomarker profiling and genetic analysis technologies are included as first-line diagnostic tests for NP-C. Most diagnoses can now be confirmed by combination of biomarker and genetic analyses. Filipin staining may facilitate diagnosis in uncertain cases. Recommendations are provided for psychiatrists, neuro-ophthalmologists, and radiologists, and on screening within specific at-risk patient cohorts. The NP-C diagnostic algorithm has been updated and simplified.
Summary:
This publication provides expert recommendations for clinicians who may see patients presenting with the signs and symptoms of NP-C, including general practitioners, pediatricians, neurologists, and psychiatrists.
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