February 2019
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35 Reads
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1 Citation
Haemophilia
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February 2019
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35 Reads
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1 Citation
Haemophilia
September 2018
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85 Reads
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2 Citations
BMC Medical Genetics
Background: Hemophagocytic lymfohistiocytosis (HLH) is a rare, life-threatening hyperinflammation, characterized by immune system over-activation resulting in hemophagocytosis. HLH could appear as a primary disease caused by mutations of immune-regulatory genes, or develop as a result of viral or bacterial infections, or malignancy. Congenital factor VII (FVII) deficiency is a rare autosomal recessive disorder characterized by prolonged prothrombin time (PT) and low FVII, which may increase bleeding risk. Case presentation: A 50-year-old woman was admitted for a fever persisted for 20 days, presenting with cytopenia, high hyperferritinemia, low activity of NK cells. Bone marrow aspiration showed hemophagocytosis. CT scanning found pulmonary infection. EBV and CMV were not detected. Genetic scanning did not find pathogenic mutation of a HLH NGS panel including 26 genes. This patient was treated as recommended by the HLH 2004 Guidelines. Coagulation tests identified FVII deficiency. Genetic analysis of F7 gene in the patient and her family members identified recurrent compound heterozygous F7 c.64 + 5G > A and c.1224 T > G (p.His408Gln) mutations in this patient and her brother who showed postoperative hemorrhage after surgical resection of renal cell carcinoma. Heterozygotes in this family were asymptomatic. Conclusions: To our knowledge, this is the first report of HLH in combination with congenital FVII deficiency in Chinese population.
... CNKI, WanFang, and PubMed databases were searched for relevant articles published nearly five years using the keywords of "compound heterozygous mutation; FVII deficiency" in Chinese and English, respectively. There were 3 Chinese articles [8][9][10] and 5 English articles [11][12][13][14][15] concerning hereditary FVII deficiency on case report. Complete clinical data from 11 cases of hereditary FVII deficiency were analyzed, including 3 males and 8 females. ...
September 2018
BMC Medical Genetics