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Endoscopic view of sphenoid sinusitis adjacent to an intracranial aneurysm

July 5, 2012  |  Dewey A. Christmas, MD; Joseph P. Mirante, MD, FACS; Eiji Yanagisawa, MD, FACS

Cases of isolated sphenoid sinusitis unresponsive to medical therapy can be treated endoscopically using sinus balloon dilation.

Endoscopic view of an asymmetric roof of the ethmoid sinus

May 1, 2012  |  Dewey A. Christmas, MD; Joseph P. Mirante, MD, FACS; Eiji Yanagisawa, MD, FACS

It is important to study the anatomy of the roof of the ethmoid sinus both preoperatively and intraopereatively, especially to determine whether there are differences in the height and thickness of the left and right sides.

Endoscopic view of the ostium of the posterior ethmoid sinus

April 1, 2012  |  Eiji Yanagisawa, MD, FACS, Dewey A. Christmas, MD, and Joseph P. Mirante, MD, FACS

The anterior cells of the ehtmoid sinus, located anterior to the basal lamella, vary in number and size and always drain into the middle meatus. The posterior ethmoid cells, located posterior to the basal lamella, drain into the superior meatus.The drainage pathway of the posterior ethmoid...

Endoscopic view of a frontal recess obstruction causing frontal sinusitis

February 18, 2012  |  Dewey A. Christmas, MD, Joseph P. Mirante, MD, FACS, and Eiji Yanagisawa, MD, FACS

Primary sclerosing fibroinflammatory pseudotumor of the maxillary sinus

December 15, 2011  |  Richard J. Vivero, MD, Pooja H. Doshi, MD, Jean Anderson Eloy, MD, Carmen Gomez-Fernandez, MD, and Roy R. Casiano, MD


Inflammatory pseudotumor is a well known but poorly understood pathologic entity. It is associated with an unusual growth of fibrotic tissue admixed with varying amounts of inflammation that displaces and compresses normal anatomic structures, resulting in dysfunction....

Changes in intramaxillary sinus pressure following antrostomy, draining tubes, and YAMIK procedures in 25 patients treated for chronic paranasal sinusitis

August 16, 2011  |  Masato Miwa, MD, PhD, Mayumi Miwa, MD, PhD, and Kensuke Watanabe, MD, PhD


When conservative therapies are not effective in treating sinus infections, alternate steps can be taken to improve paranasal cavity ventilation. These measures may include surgical procedures such as intranasal endoscopic or maxillary sinus fenestration, and other procedures...

Bilateral sphenoid fungal sinusitis

July 14, 2011  |  Jae Hoon Lee, MD

Nasal septal abscess

April 1, 2011  |  Jordan Cain, MD and Soham Roy, MD, FACS, FAAP

Allergic fungal sinusitis

March 1, 2011  |  Lester D.R. Thompson, MD

Endoscopic views of bilateral dacryocystorhinostomies

February 1, 2010  |  Joseph P. Mirante, MD, FACS, Dewey A. Christmas, MD, and Eiji Yanagisawa, MD, FACS

Isolated sphenoid sinusitis presenting as blindness

January 1, 2010  |  Simon Wright, MBChB and Naeem Khan, MBChB, MRCS

An acute ischemic stroke secondary to sphenoid sinusitis

November 1, 2009  |  Christian Adrien Righini, MD, PhD, Fabrice Bing, MD, Pierre Bessou, MD, Kamel Boubagra, MD, and Emile Reyt, MD


Acute isolated sphenoid sinusitis is a relatively uncommon entity. Because its symptoms and clinical findings are nonspecific, it can be easily misdiagnosed. Left unrecognized and untreated, it can lead to several well-known and severe complications, including meningitis,...


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