Hydroa vacciniforme

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 Inclusion criteria:

  • All six of the following:
    • Photosensitivity
    • Papulovesicular eruption
    • Typical varioliform scarring
    • Significantly elevated Epstein-Barr viral load in the blood
    • Positive phototest responses to UVA
    • Clinical diagnosis must be made by an experienced photodermatologist able to differentiate this from other photodermatoses clinically

 Exclusion criteria:

  • No evidence of Epstein-Barr viral infection

Prior genetic testing guidance

  • Results should have been reviewed for all genetic tests undertaken, including disease-relevant genes in exome sequencing data. The patient is not eligible if they have a molecular diagnosis for their condition.
  • Genetic testing should continue according to routine local practice for this phenotype regardless of recruitment to the project; results of these tests must be submitted via the ‘Genetic investigations’ section of the data capture tool to allow comparison of WGS with current standard testing.

PLEASE NOTE: The sensitivity of WGS compared to current diagnostic genetic testing has not yet been established. It is therefore important that tests which are clinically indicated under local standard practice continue to be carried out.

Closing statement

These requirements will be kept under continual review during the main programme and may be subject to change.

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