Show CT and MR features of arrested pneumatization of the sphenoid sinus Pointthe main diagnostic elements List principalpathologies in differential diagnosis
Arrested pneumatization of the sphenoid sinus represents a rare benign variant of skull base development.
In most cases it’s asymptomatic and an occasional finding during CT or MR examinations performed for other reasons,
most frequently neurologic or ENT symptoms.
in some patients it can cause headache and obstructive symptoms due to alteration of normal mucosal drainage in the paranasal sinuses .The physiological process of the pneumatization of the sphenoid sinus begins after...
Findings and procedure details
Main imaging diagnostic features of arrested pneumatization of the sphenoid sinus are showed (figure 2-6). CT is the best imaging modality for diagnosis (Welker's criteria) : a non-expansile solid lesion; sclerotic margins without cortical breach; internal curvilinear calcifications; foci of fat with variable degrees of loss of bone trabecolae. MRI features that allow to distinguish arrested pneumatization from other middle skull base pathologies are: increased T1-w and T2-w signal...
CT is the best technique for the diagnosis of arrested pneumatization of the sphenoid sinus.
If not recognized,
this entity can be mistakenly interpreted for an expansive or infectious pathological process of the middle skull base,
with further not necessary investigations,
procedures and treatments for the patients.
Michele Pietragalla (1) , MD. Phone number:+39 055 7947189Fax number: +39 055 431970e-mail: firstname.lastname@example.org Maurizio Bartolucci (2) ,MD. e-mail: email@example.com Federico Giuntoli (1) ,MD. Phone number:+39 0572 75667 e-mail:firstname.lastname@example.org Giovanni Battista Verrone (1) ,MD. e-mail: email@example.com Cosimo Nardi (1) ,MD,
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