We describe an 11-month-old boy who presented with recurrent respiratory infections from 6 months of age. His elder sister died at 10 months with severe septicemia and meningitis. The boy had a mild motor delay. Investigations revealed T cell deficiency and very low serum uric acid suggestive of purine nucleoside phosphorylase (PNP) deficiency - a rare variant of severe combined immunodeficiency disease. A novel homozygous missense mutation of c.597C>G(p.S199R) of exon 5 on PNP gene confirmed the diagnosis. We suggest that uric acid should be a part of investigation profile for unidentified motor delay, as recurrent infections can be late presentation.
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King Faisal Specialist Hosp & Res Ctr, Dept Pediat, Sect Allergy & Immunol, Riyadh 11211, Saudi ArabiaKing Faisal Specialist Hosp & Res Ctr, Dept Pediat, Sect Allergy & Immunol, Riyadh 11211, Saudi Arabia
Al-Saud, B.
Alsmadi, O.
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King Faisal Specialist Hosp & Res Ctr, Res Ctr, Arabian Diagnost Lab, Riyadh 11211, Saudi ArabiaKing Faisal Specialist Hosp & Res Ctr, Dept Pediat, Sect Allergy & Immunol, Riyadh 11211, Saudi Arabia
Alsmadi, O.
Al-Muhsen, S.
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King Faisal Specialist Hosp & Res Ctr, Dept Pediat, Sect Allergy & Immunol, Riyadh 11211, Saudi Arabia
King Saud Univ, Dept Pediat, Riyadh, Saudi ArabiaKing Faisal Specialist Hosp & Res Ctr, Dept Pediat, Sect Allergy & Immunol, Riyadh 11211, Saudi Arabia
Al-Muhsen, S.
Al-Ghonaium, A.
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King Faisal Specialist Hosp & Res Ctr, Dept Pediat, Sect Allergy & Immunol, Riyadh 11211, Saudi ArabiaKing Faisal Specialist Hosp & Res Ctr, Dept Pediat, Sect Allergy & Immunol, Riyadh 11211, Saudi Arabia
Al-Ghonaium, A.
Al-Dhekri, H.
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King Faisal Specialist Hosp & Res Ctr, Dept Pediat, Sect Allergy & Immunol, Riyadh 11211, Saudi ArabiaKing Faisal Specialist Hosp & Res Ctr, Dept Pediat, Sect Allergy & Immunol, Riyadh 11211, Saudi Arabia
Al-Dhekri, H.
Arnaout, R.
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King Faisal Specialist Hosp & Res Ctr, Dept Pediat, Sect Allergy & Immunol, Riyadh 11211, Saudi ArabiaKing Faisal Specialist Hosp & Res Ctr, Dept Pediat, Sect Allergy & Immunol, Riyadh 11211, Saudi Arabia
Arnaout, R.
Hershfield, M. S.
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Duke Univ, Med Ctr, Dept Med, Durham, NC 27710 USAKing Faisal Specialist Hosp & Res Ctr, Dept Pediat, Sect Allergy & Immunol, Riyadh 11211, Saudi Arabia
Hershfield, M. S.
Al-Mousa, H.
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King Faisal Specialist Hosp & Res Ctr, Dept Pediat, Sect Allergy & Immunol, Riyadh 11211, Saudi ArabiaKing Faisal Specialist Hosp & Res Ctr, Dept Pediat, Sect Allergy & Immunol, Riyadh 11211, Saudi Arabia
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King Faisal Specialist Hosp & Res Ctr, Dept Pediat, Sect Allergy & Immunol, Riyadh 11211, Saudi ArabiaKing Faisal Specialist Hosp & Res Ctr, Dept Pediat, Sect Allergy & Immunol, Riyadh 11211, Saudi Arabia
Al-Saud, B.
Alsmadi, O.
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King Faisal Specialist Hosp & Res Ctr, Res Ctr, Arabian Diagnost Lab, Riyadh 11211, Saudi ArabiaKing Faisal Specialist Hosp & Res Ctr, Dept Pediat, Sect Allergy & Immunol, Riyadh 11211, Saudi Arabia
Alsmadi, O.
Al-Muhsen, S.
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King Faisal Specialist Hosp & Res Ctr, Dept Pediat, Sect Allergy & Immunol, Riyadh 11211, Saudi Arabia
King Saud Univ, Dept Pediat, Riyadh, Saudi ArabiaKing Faisal Specialist Hosp & Res Ctr, Dept Pediat, Sect Allergy & Immunol, Riyadh 11211, Saudi Arabia
Al-Muhsen, S.
Al-Ghonaium, A.
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King Faisal Specialist Hosp & Res Ctr, Dept Pediat, Sect Allergy & Immunol, Riyadh 11211, Saudi ArabiaKing Faisal Specialist Hosp & Res Ctr, Dept Pediat, Sect Allergy & Immunol, Riyadh 11211, Saudi Arabia
Al-Ghonaium, A.
Al-Dhekri, H.
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King Faisal Specialist Hosp & Res Ctr, Dept Pediat, Sect Allergy & Immunol, Riyadh 11211, Saudi ArabiaKing Faisal Specialist Hosp & Res Ctr, Dept Pediat, Sect Allergy & Immunol, Riyadh 11211, Saudi Arabia
Al-Dhekri, H.
Arnaout, R.
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h-index: 0
机构:
King Faisal Specialist Hosp & Res Ctr, Dept Pediat, Sect Allergy & Immunol, Riyadh 11211, Saudi ArabiaKing Faisal Specialist Hosp & Res Ctr, Dept Pediat, Sect Allergy & Immunol, Riyadh 11211, Saudi Arabia
Arnaout, R.
Hershfield, M. S.
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h-index: 0
机构:
Duke Univ, Med Ctr, Dept Med, Durham, NC 27710 USAKing Faisal Specialist Hosp & Res Ctr, Dept Pediat, Sect Allergy & Immunol, Riyadh 11211, Saudi Arabia
Hershfield, M. S.
Al-Mousa, H.
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h-index: 0
机构:
King Faisal Specialist Hosp & Res Ctr, Dept Pediat, Sect Allergy & Immunol, Riyadh 11211, Saudi ArabiaKing Faisal Specialist Hosp & Res Ctr, Dept Pediat, Sect Allergy & Immunol, Riyadh 11211, Saudi Arabia