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A rare genetic disease with characteristics of facial dysmorphism with malar hypoplasia and high forehead, immunodeficiency resulting in recurrent infections, impaired growth (with normal growth hormone production and response) resulting in short stature, and livedo affecting face and extremities. Immunological analyses show low memory B-cell and naive T cell counts, decreased T cell proliferation, and reduced IgM, IgG2 and IgG4. Patients do not exhibit increased susceptibility to cancer. There is evidence the disease is caused by homozygous mutation in the POLE gene on chromosome 12q24.
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