Pneumosinus dilatans
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Pneumosinus dilatans is a term given to enlarged paranasal sinus air cells (hyperpneumatization(hyperpneumatisation), which may cause pneumocephalus either by rupturing or because of a defect. It was initially described in the frontal sinuses, but may involve any of the paranasal sinus.
The presence of pneumosinus dilatans may be associated with anterior skull base meningioma 3.
-<p><strong>Pneumosinus dilatans</strong> is a term given to enlarged <a href="/articles/paranasal-sinus">paranasal sinus</a> air cells (hyperpneumatization), which may cause <a href="/articles/pneumocephalus">pneumocephalus</a> either by rupturing or because of a defect. It was initially described in the frontal sinuses, but may involve any of the paranasal sinus.</p><p>The presence of pneumosinus dilatans may be associated with anterior <a href="/articles/base-of-skull">skull base</a> <a href="/articles/meningioma">meningioma</a> <sup>3</sup>.</p>- +<p><strong>Pneumosinus dilatans</strong> is a term given to enlarged <a href="/articles/paranasal-sinus">paranasal sinus</a> air cells (hyperpneumatisation), which may cause <a href="/articles/pneumocephalus">pneumocephalus</a> either by rupturing or because of a defect. It was initially described in the frontal sinuses, but may involve any of the paranasal sinus.</p><p>The presence of pneumosinus dilatans may be associated with anterior <a href="/articles/base-of-skull">skull base</a> <a href="/articles/meningioma">meningioma</a> <sup>3</sup>.</p>
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