Bosshart, M. The Sphenoid Sinus Septum Sign - an observation that may help in the diagnosis of pituitary microadenoma. 2010, Universität Bern, Institut für diagnostische und interventionelle Neuroradiologie des Inselspitals Bern, Faculty of Medicine.
Full text not available from this repository.
Purpose: To establish whether the clinical finding of pituitary adenomas´ localization above sphenoid sinus septa is an anecdotal observation or a regular occurence. – – Material and Methods: – Sphenoid sinus septum anatomy was initially studied in 100 consecutive CT exams of the paranasal sinuses. The highly variable anatomy of the septa was classified in three groups: No septum (type I), one medial septum (type II), multiple septa (type III). Next, in pre-operative MR studies of 43 patients with histologically confirmed pituitary microadenoma (? 10 mm), the position of the adenoma relative to the sphenoid sinus septa was analyzed. – – Results: – In 33 of the 43 cases (77%), the adenoma was localized directly above the insertion of a sphenoid sinus septum in the floor of the sella. Type III septum anatomy was by far most common. – – Discussion: – Sphenoid sinus septum anatomy is highly variable. The fact that pituitary microadenomas are located above the insertion of a septum in nearly four fifths of our cases makes this occurence so typical that we named it ´´sphenoid sinus septum sign´´. – Neither anatomy, histology of the pituitary gland and pituitary adenomas, or embryologic development of the sellar region can offer an explanation for this finding.
|Other titles:||The Sphenoid Sinus Septum Sign ¿ an observation that may help in the diagnosis of pituitary microadenoma|
|Communities & Collections:||04 Faculty of Medicine > University Hospital Zurich > Institute of Anesthesiology|
|DDC:||610 Medicine & health|
|Deposited On:||03 Jan 2011 14:13|
|Last Modified:||04 Apr 2012 13:33|
|Related URLs:||http://studmed.unibe.ch/dissdb/index.php?a=n&t=0&v=2010&b=2010&s=Bosshart&o=suchen&f=&k=0 (Organisation)|
Users (please log in): suggest update or correction for this item
Repository Staff Only: item control page