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This paper presents a parameter for objectively evaluating singing voice quality. Power spectrum of vowel sound /a/ was analyzed by Fast Fourier Transform. The greatest harmonics peak between 2 and 4 kHz and the greatest harmonics peak between 0 and 2 kHz were identified. Power ratio of these peaks, termed singing power ratio (SPR), was calculated in 37(More)
OBJECTIVES The advantages of binaural hearing are well established and universally accepted. However, a tendency remains to withhold the benefits of binaural hearing to adults and children with one normal ear. The purpose of this study is to demonstrate the benefit of the bone-anchored hearing aid (BAHA) in a group of patients with unilateral conductive or(More)
OBJECT Surgery on the pituitary gland is increasingly being performed through an endoscopic approach. However, there is little published data on its safety and relative advantages over traditional microscope-based approaches. Published reports are limited by small sample size and nonrandomized study design. A meta-analysis allows for a description of the(More)
BACKGROUND The aim of this study was to report and show the technique, results, and complications of combined endoscopic and intraoperative magnetic resonance imaging (IMRI) surgical treatment of pituitary disease from both a technical and a surgical perspective. METHODS We performed a retrospective chart review of 10 endoscopic, endonasal resections of(More)
The authors describe a prospective pilot study designed to investigate the use of topical nasal antifungal spray in addition to systemic steroids and itraconazole in the treatment of allergic fungal sinusitis. Sixteen patients with a history of allergic fungal sinusitis were given fluconazole nasal spray and followed for 3 months. Stabilization or(More)
OBJECTIVES The objective of the present study was to review the technique of endoscopic laser-assisted esophagodiverticulostomy (ELAED) for the treatment of Zenker's diverticulum. METHODS We reviewed 83 cases of ELAED performed for the treatment of Zenker's diverticuli during the past decade. RESULTS ELAED-treated patients had a reduced hospital stay(More)
Multifocal angiosarcoma of the scalp is uncommon. Its risk factors include a history of radiotherapy and possibly sun exposure. Angiosarcoma is an aggressive tumor with a high propensity for both local recurrence and distant metastasis. Overall, the prognosis is poor. The size of the lesion is an important prognostic factor. Treatment modalities include(More)
OBJECTIVE Anomalies of the fourth branchial arch complex are exceedingly rare, with approximately forty cases reported in the literature since 1972. The authors report experience with six fourth arch anomalies. METHODS Retrospective chart review of six consecutive patients presenting to the pediatric otolaryngology service at a tertiary care center with(More)
OBJECT The endoscopic endonasal approach has become the preferred technique for CSF leak and encephalocele repair of the anterior skull base. The purpose of this study is to identify patient characteristics; review adjunctive perioperative treatments, reconstruction techniques, and outcomes; and identify risk factors for failure in patients undergoing(More)
Solid ectopic cervical thymus is an extremely uncommon etiology of a neck mass in an infant. It occurs in the line of descent of the thymus from the angle of the mandible to the superior mediastinum. Nine cases of ectopic cervical thymus in infants have been reported in the literature. Only two of nine cases were solid, the remaining seven were thymic(More)