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Multisystem Involvement in a Patient with a PTCH1 Mutation: Clinical and Imaging Findings.

ABSTRACT: In this article, we report on a Brazilian female patient born to consanguineous parents and presenting with alobar holoprosencephaly, severe eye involvement, and unusual skin hyperpigmented lesions. She was found to have a mutation (c.2240T?>?C; p.Val751Gly) in exon 15 of the PTCH1 gene. Mutations in this gene are associated with the nevoid basal cell carcinoma syndrome (NBCCS, OMIM 109400) and, in other instances, with holoprosencephaly (holoprosencephaly-7, OMIM 610828). Severe eye involvement ranging from orbital coloboma to microphthalmia has been seldom reported in patients with NBCCS with PTCH1 mutations. To our knowledge, this is the first report of an individual with central nervous system, skin, and eye manifestations due to a PTCH1 mutation. Mechanisms involved in these multisystem manifestations are discussed.

SUBMITTER: Richieri-Costa A

PROVIDER: S-EPMC5423795 | biostudies-literature | 2017 Jun

REPOSITORIES: biostudies-literature

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Multisystem Involvement in a Patient with a <i>PTCH1</i> Mutation: Clinical and Imaging Findings.

Richieri-Costa Antonio A Vendramini-Pittoli Siulan S Kokitsu-Nakata Nancy Mizue NM Zechi-Ceide Roseli Maria RM Alvarez Camila Wenceslau CW Ribeiro-Bicudo Lucilene Arilho LA

Journal of pediatric genetics 20160914 2

In this article, we report on a Brazilian female patient born to consanguineous parents and presenting with alobar holoprosencephaly, severe eye involvement, and unusual skin hyperpigmented lesions. She was found to have a mutation (c.2240T > C; p.Val751Gly) in exon 15 of the <i>PTCH1</i> gene. Mutations in this gene are associated with the nevoid basal cell carcinoma syndrome (NBCCS, OMIM 109400) and, in other instances, with holoprosencephaly (holoprosencephaly-7, OMIM 610828). Severe eye invo ...[more]

PMID: 28496998

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Project description:BackgroundA hyperinflammatory immune-mediated shock syndrome has been recognised in children exposed to the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the virus that causes coronavirus disease 2019 (COVID-19).ObjectiveTo describe typical imaging findings in children with multisystem inflammatory syndrome associated with COVID-19.Materials and methodsDuring the first wave of the COVID-19 pandemic, imaging studies and clinical data from children treated for multisystem inflammatory syndrome were collected from multiple centres. Standardised case templates including demographic, biochemical and imaging information were completed by participating centres and reviewed by paediatric radiologists and paediatricians.ResultsWe included 37 children (21 boys; median age 8.0 years). Polymerase chain reaction (PCR) testing was positive for SARS-CoV-2 in 15/37 (41%) children and immunoglobulins in 13/19 children (68%). Common clinical presentations were fever (100%), abdominal pain (68%), rash (54%), conjunctivitis (38%) and cough (32%). Thirty-three children (89%) showed laboratory or imaging findings of cardiac involvement. Thirty of the 37 children (81%) required admission to the intensive care unit, with good recovery in all cases. Chest radiographs demonstrated cardiomegaly in 54% and signs of pulmonary venous hypertension/congestion in 73%. The most common chest CT abnormalities were ground-glass and interstitial opacities (83%), airspace consolidation (58%), pleural effusion (58%) and bronchial wall thickening (42%). Echocardiography revealed impaired cardiac function in half of cases (51%) and coronary artery abnormalities in 14%. Cardiac MRI showed myocardial oedema in 58%, pericardial effusion in 42% and decreased left ventricular function in 25%. Twenty children required imaging for abdominal symptoms, the commonest abnormalities being free fluid (71%) and terminal ileum wall thickening (57%). Twelve children underwent brain imaging, showing abnormalities in two cases.ConclusionChildren with multisystem inflammatory syndrome showed pulmonary, cardiac, abdominal and brain imaging findings, reflecting the multisystem inflammatory disease. Awareness of the imaging features of this disease is important for early diagnosis and treatment.

Dataset Information

Multisystem Involvement in a Patient with a PTCH1 Mutation: Clinical and Imaging Findings.

Publications

Multisystem Involvement in a Patient with a <i>PTCH1</i> Mutation: Clinical and Imaging Findings.

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