- Meningioma and schwannoma management
- Ear Surgery and Otitis Media
- Facial Nerve Paralysis Treatment and Research
- Head and Neck Surgical Oncology
- Neurofibromatosis and Schwannoma Cases
- Ear and Head Tumors
- Vestibular and auditory disorders
- Hearing Loss and Rehabilitation
- Hearing, Cochlea, Tinnitus, Genetics
- Vascular Malformations Diagnosis and Treatment
- Tracheal and airway disorders
- Smoking Behavior and Cessation
- Medical Malpractice and Liability Issues
- Congenital Ear and Nasal Anomalies
- Cerebral Venous Sinus Thrombosis
- Head and Neck Anomalies
- Bone Tumor Diagnosis and Treatments
- Voice and Speech Disorders
- Adrenal and Paraganglionic Tumors
- Pituitary Gland Disorders and Treatments
- Ophthalmology and Eye Disorders
- Diversity and Career in Medicine
- Healthcare cost, quality, practices
- History of Medical Practice
- Glioma Diagnosis and Treatment
Stanford University
2015-2024
Stanford Health Care
2018-2024
Impact Technology Development (United States)
2024
Impact
2024
Stanford Medicine
2006-2020
Mayo Clinic in Florida
2020
University of Virginia
2020
University of Massachusetts Chan Medical School
2020
Ear Consultants of Georgia
2020
The University of Western Australia
2018
Approximately 20% of patients with congenital sensorineural hearing loss have radiographic abnormalities the inner ear. A broad spectrum anomalous patterns been described, most which lumped together under term "Mondini's dysplasia." We feel that this grouping many dissimilar entities a single umbrella is unwarranted. Based on review 63 98 congenitally malformed ears, we able to recognize number distinct anatomic from their appearance. remarkable similarity between these morphologies and...
The lack of an adequate standardized method for reporting level hearing function in clinical trials has hampered the ability investigators to draw comparisons across studies. Variability data reported and presentation format inhibits meta-analysis makes it impossible accumulate large patient cohorts needed statistically significant inference. Recognizing its importance field after a widely inclusive discussion, Hearing Committee American Academy Otolaryngology-Head Neck Surgery endorsed new...
Abstract It has long been known that abnormally large vestibular aqueducts may accompany congenital malformations of the cochlea and semicircular canals. Recently, enlargement as sole radiographically detectable inner ear anomaly recognized a distinct pattern malformation. Patho‐genesis aqueduct syndrome probably stems from an early derangement in embryogenesis endolymphatic duct. This appears to be relatively common children with sensorineural hearing loss is significantly underdiagnosed....
Objective Until recently, purveyors of vaping products marketed e-liquids in the 1%–3% range nicotine concentration with those at 3% described as ‘super high’ intended for two packs/day smokers. The goal this study is to evaluate degree which JUUL, its 5% and 75% US market share, has spurred other e-liquid vendors raise levels their products. Methods Online search identify brands offering exceptionally high (≥5%) catalogue appearance devices emulate JUUL. Results JUUL compatible pods (14)...
To estimate the prevalence of "incidental" acoustic neuromas (ANs) in population at large.An intracranial magnetic resonance imaging (MRI) database 46 414 patients presenting to University California, San Francisco (UCSF), without known audiovestibular complaints was searched retrospectively from July 1995 February 2003. Seventy percent these MRIs included gadolinium, and none specifically targeted through internal auditory canal. A medical chart review 688 with UCSF between 1980 1999 for...
Patients with large vestibular schwannomas are at high risk of poor facial nerve (cranial VII [CNVII]) function after surgery. Subtotal resection potentially offers better outcome, but may lead to higher tumor regrowth.To assess long-term CNVII and regrowth in patients schwannomas.Prospective multicenter nonrandomized cohort study schwannoma ≥2.5 cm who received gross total resection, near or subtotal resection. radiation if remnant showed signs regrowth.Seventy-three had adequate follow-up...
Background Some consumers wish to use vapour devices discreetly so that family members, teachers and coworkers do not recognise their of nicotine or t etrahydrocannabinol (THC) laden vapour. Methods Stealthy devices, as well low-odour low-vapour e-juices, were identified via a comprehensive online search between March June 2018. Results As evidence popularity, for ‘stealth vaping’ on YouTube found 18 200 videos. A variety cleverly designed disguised USB sticks, pens, remote controls, car...
Objective Lack of ergonomic training and poor habits during the operation leads to musculoskeletal pain affects surgeon’s life outside work. The objective study was evaluate severity hazards in surgical profession across a wide range subspecialties. We conducted intraoperative observations using Rapid Entire Body Assessment (REBA) score system identify hazards. Additionally, each ten subspecialty departments were sent an optional 14 question survey which evaluated practice, environmental...
To propose a new hypothesis that attempts to explain the pathogenesis of petrous apex cholesterol granuloma (PA CG). CLASSIC OBSTRUCTION-VACUUM HYPOTHESIS: PA CGs form when mucosal swelling blocks circuitous pneumatic pathways apical air cells. Trapped gas resorption results in vacuum triggers bleeding, and CG forms through anaerobic breakdown blood products. PROBLEMS WITH THE (OBSTRUCTION-VACUUM) Impaired ventilation mucosa-lined tracts middle ear, mastoid, paranasal sinuses, lung are very...
The application of magnetic resonance imaging (MRI) scanning in the diagnosis acoustic neuroma (AN) has increased relative incidence smaller tumors and impacted on typical clinical presentation AN patients. charts 126 patients treated at University California, San Francisco for newly diagnosed from 1986 to 1990 were reviewed. Twenty-four percent fell into smallest size category (< 1 cm); this was a substantial improvement over earlier series. However, 16% remained undiagnosed until they...
OBJECTIVES We sought to determine the recurrence rate after near‐total and subtotal resection of acoustic neuroma. STUDY DESIGN, SETTING, AND PATIENTS conducted a retrospective chart review total 79 patients: 50 with resections (remnant ≤ 25 mm 2 thick) 29 (any larger remnant). Surgical approach included 5 middle fossa, 17 retrosigmoid, 57 translabyrinthine. MAIN OUTCOME MEASURES Recurrence was defined as documented tumor growth by serial imaging or recommendation for further treatment...
The introduction of intraoperative cranial nerve monitoring in posterior fossa surgery has greatly aided the surgeon identification and anatomic preservation nerves. As a result, long-term function facial continues to improve after removal acoustic neuroma. Herein, we report our (1 year or greater) outcome 129 patients who underwent surgical their neuromas with aid neurophysiologic between 1986 1990. was anatomically preserved 99.2% patients, 90% all had grade 1 2 surgery. Long-term...
Object. The goal of this retrospective study was to evaluate hearing preservation after surgery for vestibular schwannoma in which the middle fossa (MF) or retrosigmoid (RS) approaches were used. Hearing can be achieved by using either MR RS approach. Comparative outcome data between these are lacking, and, as a result, selection has generally been determined surgeon's preference. Methods. authors have compared removal small schwannomas via MF and with regard facial nerve function. group...
Abstract Forty‐two patients with chronic otitis media underwent preoperative CT scanning followed by surgical exploration of the middle ear and mastoid. The finding abnormal soft tissue density associated bone erosion was highly correlated cholesteatoma. By contrast, total absence on essentially excluded However, 50% all had scan not accompanied erosion. In this largest group it possible to diagnose or exclude cholesteatoma basis findings alone. Also, occasionally gave erroneous impression...
Many guidelines for reporting hearing results use the threshold at 3 kilohertz (kHz), a frequency not measured routinely. This study assessed validity of estimating missing 3‐kHz by averaging thresholds 2 and 4 kHz. The estimated was compared to kHz individually when used in pure‐tone average (PTA) 0.5, 1, 2, audiometric data from 2170 patients. difference between within ±5 dB 72% audiograms, ±10 91%, ±20 99% (correlation coefficient r = 0.965). PTA using with audiograms ( 0.997). accurately...
<h3>Background</h3> Facebook has a comprehensive set of policies intended to inhibit promotion and sales tobacco products. Their effectiveness yet be studied. <h3>Methods</h3> Leading brands (388) were identified via Nielsen Ranker databases 108 found maintain brand-sponsored pages. Key indicators alignment with policy evaluated. <h3>Results</h3> Purchase links (eg, 'shop now' button) on pages for hookah tobaccos (41%), e-cigarettes (74%), smokeless (50%) cigars (31%). Sales promotions...
Objectives/Hypothesis To evaluate the presence of postural‐related strain and musculoskeletal discomfort, along with level ergonomics training availability ergonomic equipment among otolaryngology surgeons. Study Design Intraoperative observations survey study. Methods Using Rapid Entire Body Assessment score system to identify hazards, we conducted intraoperative assessing operating room personnel during different otolaryngological subspecialty procedures. Based on these findings, surgeons...
Abstract Mammalian inner ear hair cell loss leads to permanent hearing and balance dysfunction. In contrast the cochlea, vestibular cells of murine utricle have some regenerative capacity. Whether human utricular regenerate in vivo remains unknown. Here we procured live, mature utricles from organ donors schwannoma patients, present a validated single-cell transcriptomic atlas at unprecedented resolution. We describe markers 13 sensory non-sensory types, with partial overlap correlation...
Objective To determine whether the choice of surgical approach affects rate postoperative cerebrospinal fluid leakage in patients who have undergone resection acoustic neuroma. Study Design Retrospective chart review. Setting Tertiary referral center. Patients Three hundred underwent surgery for neuromas were selected by consecutive medical record number until 100 resections via each (translabyrinthine, middle fossa, and retrosigmoid) had been gathered. Main Outcome Measures Surgical used,...