Any Fanconi anemia in which the cause of the disease is a mutation in the ERCC4 gene. The disease is Monarch Disease Ontology entry MONDO_0014108 (Fanconi anemia complementation group Q). Also known as: ERCC4 Fanconi anaemia, ERCC4 Fanconi anemia, FANCQ, Fanconi Anemia, complementation group type Q, Fanconi anaemia caused by mutation in ERCC4, Fanconi anaemia complementation group type Q, Fanconi anemia caused by mutation in ERCC4, Fanconi anemia complementation group type Q.