Cyclic neutropenia

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A rare primary immunodeficiency characterized by regular oscillations in blood neutrophil counts from normal or subnormal levels to severe neutropenia usually with a cycle length of about 21 days. Symptoms during the neutropenic phase include fever mouth ulcers but also pneumonia and peritonitis among others. Mode of inheritance is autosomal dominant.

Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview. Reference: Access aggregated data from Orphanet at Orphadata. Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http://www.orphadata.org. Data version July 2024

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Cyclic neutropenia?

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