J Korean Neurosurg Soc.  2013 Jul;54(1):47-49. 10.3340/jkns.2013.54.1.47.

Isolated Lateral Sinus Thrombosis Presenting as Cerebellar Infarction in a Patient with Iron Deficiency Anemia

• Lee JH
• Park KJ
• Chung YG
• Kang SH

• KMID: 2190858
• DOI: http://doi.org/10.3340/jkns.2013.54.1.47

Abstract

As a rare cerebrovascular disease, cerebral venous thrombosis (CVT) is caused by various conditions including trauma, infection, oral contraceptive, cancer and hematologic disorders. However, iron deficiency anemia is not a common cause for CVT in adult. Posterior fossa infarction following CVT is not well demonstrated because posterior fossa has abundant collateral vessels. Here, we report a case of a 55-year-old man who was admitted with complaints of headache, nausea, and mild dizziness. The patient was diagnosed with isolated lateral sinus thrombosis presenting as cerebellar infarction. Laboratory findings revealed normocytic normochromic anemia due to iron deficiency, and the patient's symptoms were improved after iron supplementation.

Keyword

Cerebellar infarction; Lateral sinus; Thrombosis; Iron deficiency anemia

MeSH Terms

Adult
Anemia
Anemia, Iron-Deficiency
Dizziness
Headache
Humans
Infarction
Iron
Lateral Sinus Thrombosis
Middle Aged
Nausea
Thrombosis
Transverse Sinuses
Venous Thrombosis
Iron

Figure

• 

  Fig. 1 Axial T2-weighted (A) and FLAIR (B) magnetic resonance imaging scan reveal high signal intensity in the right cerebellar hemisphere compressing the fourth ventricle. In addition, there is high signal intensity at the junction of the right transverse sinus and proximal sigmoid sinus, probably due to a thrombus (arrow). Gadolinium-enhanced T1 weighted image demonstrates petechial hemorrhage and irregular enhancement (C).

• 

  Fig. 2 A : Right vertebral angiography does not reveal abnormal findings. B : In the venous phase, however, there are multiple filling defects of the right transverse sinus and proximal sigmoid sinus.

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  Fig. 3 On computed tomography at 11 days after admission, cerebellar edema compressing the fourth ventricle is resolved, and low density is still remained.

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