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  • Title: Two cases of persistent falcine and occipital sinuses.
    Author: Inui T, Shibuya M, Miyabayashi T, Sato R, Okubo Y, Endo W, Togashi N, Shimanuki Y, Mori H, Haginoya K.
    Journal: Brain Dev; 2021 Jan; 43(1):170-173. PubMed ID: 32762957.
    Abstract:
    BACKGROUND: The coexistence of falcine and occipital sinuses is rare and its natural course has not been reported. CASE REPORTS: Two patients with persistent falcine and occipital sinuses are described. Both patients had straight sinuses. In one, both the transverse and sigmoid sinuses were hypoplastic and the patient had an acquired Chiari I malformation. The other patient had no other venous anomalies and had a normal posterior cranial fossa. CONCLUSION: The coexistence of falcine and occipital sinuses can lead to an acquired Chiari I malformation. These cases suggest the importance of checking other venous and brain anomalies in this situation.
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