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Cerebral venous sinus thrombosis due to hyperhomocysteinemia with cystathionine-?-synthase (CBS) gene mutation: A case report.

ABSTRACT:

Rationale

Risk factors of cerebral venous sinus thrombosis (CVST) are usually divided into acquired risks (e.g., trauma and pregnancy) and genetic risks (inherited thrombophilia). It is essential but not easy to identify the exact one for each patient.

Patient concerns

A 14-year-old male patient was admitted in our hospital because of progressively exacerbated severe headache and vomiting for 3 days, accompanied by transient weakness once in his right leg.

Diagnosis

CVST due to hyperhomocysteinemia with cystathionine-?-synthase (CBS) gene mutation.

Interventions

Persistent oral anticoagulant therapy.

Outcomes

Follow-ups at 4 months and 1 year showed that the patient's symptoms alleviated and did not recur, accompanied with improved MRV image; however, the cranial MRV image did not display as a completely normal one.

Lessons

We recommend that in case of thrombophilic state, serum homocysteine (Hcy), folic acid, and vitamin B12 levels should be routinely screened; when serum Hcy level is extremely high, congenital diseases caused by gene mutations should be considered. We firstly discovered a new mutation of CBS c.949A>G which had not been reported before.

SUBMITTER: Shang K

PROVIDER: S-EPMC6380785 | biostudies-literature |

REPOSITORIES: biostudies-literature

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