Dr. Maas is a former Associate Clinical Professor at the University of California San Francisco. He is a Cum Laude Graduate of The Florida State University and Honors Graduate of the University of Florida College of Medicine, where his work in implantable materials earned him graduate recognition. The focus of his research has continued to include the areas of implantable cosmetic implants as well as minimally-invasive biologic and alloplastic materials. His work has resulted in several patents and devices taken to market. As Principle Investigator in 15 FDA Clinical Research Trials as well as Medical Director for two companies leading such trials, his background is a broad experience in bridging academia and industry with leadership in a thoughtful, evidence-based research and product development.
In this retrospective study, the computer tomographic scans (CT) and routine sinus x-rays of 57 p... more In this retrospective study, the computer tomographic scans (CT) and routine sinus x-rays of 57 patients with chronic hyperplastic rhinosinusitis who subsequently underwent surgical intervention were reviewed by the otolaryngologist and the radiologist. The diagnostic accuracy of these modalities for each sinus (maxillary, ethmoid, sphenoid, and frontal) were determined by comparison with the operative findings and histopathology. The diagnostic accuracy of CT for the maxillary, ethmoid, sphenoid, and frontal sinuses approached 100%. The diagnostic accuracy of conventional radiographs was 85.59% for the maxillary, 86.84% for the sphenoid, 84.84% for the frontal, and 60.57% for the ethmoid sinuses. The accuracy of routine x-rays for ethmoid sinus disease was even lower when only partial or “patchy” involvement was present. We discuss the importance of CT scans in diagnosing early stages of sinusitis.
Botulinum neuromodulators and injectable dermal fillers have become part of the armamentarium in ... more Botulinum neuromodulators and injectable dermal fillers have become part of the armamentarium in the treatment of facial aging. Their successful use requires a fundamental knowledge of anatomy and physiology and a sound understanding of their risks and complications. Although neuromodulators and fillers continue to demonstrate a strong record of safety, several notable risks exist.
In this retrospective study, the computer tomographic scans (CT) and routine sinus x-rays of 57 p... more In this retrospective study, the computer tomographic scans (CT) and routine sinus x-rays of 57 patients with chronic hyperplastic rhinosinusitis who subsequently underwent surgical intervention were reviewed by the otolaryngologist and the radiologist. The diagnostic accuracy of these modalities for each sinus (maxillary, ethmoid, sphenoid, and frontal) were determined by comparison with the operative findings and histopathology. The diagnostic accuracy of CT for the maxillary, ethmoid, sphenoid, and frontal sinuses approached 100%. The diagnostic accuracy of conventional radiographs was 85.59% for the maxillary, 86.84% for the sphenoid, 84.84% for the frontal, and 60.57% for the ethmoid sinuses. The accuracy of routine x-rays for ethmoid sinus disease was even lower when only partial or “patchy” involvement was present. We discuss the importance of CT scans in diagnosing early stages of sinusitis.
Botulinum neuromodulators and injectable dermal fillers have become part of the armamentarium in ... more Botulinum neuromodulators and injectable dermal fillers have become part of the armamentarium in the treatment of facial aging. Their successful use requires a fundamental knowledge of anatomy and physiology and a sound understanding of their risks and complications. Although neuromodulators and fillers continue to demonstrate a strong record of safety, several notable risks exist.
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