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. Author manuscript; available in PMC: 2014 Aug 14.
Published in final edited form as: J Neurosurg. 2011 Jan 14;114(5):1319–1330. doi: 10.3171/2010.11.JNS10768

Fig. 5.

Fig. 5

Examples of MR images obtained in patients with sellar masses and a flat sellar type (10% of tumor patients). In general, the floor of the sella associated with this morphological type is more difficult to identify intraoperatively and has a tendency to be thicker. A–C: Images demonstrating a flat sella in association with a presellar sinus. D: Image demonstrating a flat sellar face with no presellar sphenoid sinus. Without careful consideration, the sellar-clival angle could be mistaken for the tuberculum sellae in such a situation.