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INTRODUCTION Adequate imaging of the middle ear and its surrounding structures is an essential preoperative part in ear surgery. In the past, the main disadvantage of computed tomography (CT) scanners was the decreased diagnostic quality due to metallic artifacts. Furthermore, these scanners showed mostly an inferior image quality compared to digital volume(More)
Digital volume tomography (DVT) is a kind of cone beam computed tomography and enables high quality 3D images of osseous structures. It is a well-established diagnostic tool in dentistry. High detail resolution is reached with a reduced exposition of radiation dose in comparison to conventional computed tomography. The data volume can be analysed in three(More)
This article describes a new surgical method for total ossicular reconstruction in a case of a broken stapes footplate. We developed the technique of the "cartilage shoe sandwich," which consists of two surgical steps. First, the closure of the oval window is achieved by a cartilage shoe without a central perforation. During this surgical intervention, the(More)
OBJECTIVES Radiological evaluation of the position of cochlear implant (CI) devices is an upcoming method for quality control after CI surgery. First, results of imaging of the middle and inner ear with digital volume tomography (DVT) show considerable advantages such as exceptional image quality, thin slice thickness, and low radiation dose. The aim of(More)
CONCLUSION A cone beam tomography (CBT) examination of the olfactory area with its different variants allows development of an individual anatomical-radiological risk profile of the ethmoid and the identification of so-called 'dangerous ethmoids.' OBJECTIVE Preoperative imaging performed with high-resolution CBT is imperative for analysis of the risk of(More)
CONCLUSION Preoperative imaging is important, because of the small size of the cribriform plate, different anatomical variants of the olfactory fossa in varied patients and unequal width of the cribriform plate in the anterior and posterior third. OBJECTIVE Digital volume tomography (DVT) is a rather new imaging technique for the diagnosis of diseases of(More)
CONCLUSION Because of high resolution and the relatively lower costs in comparison with modern helical CT scanners, digital volume tomography (DVT) can be recommended in the diagnosis of the nasal cavity and paranasal sinuses. OBJECTIVES DVT is an advancement of panoramic tomography and is based on the principles of rotational tomography. It enables high(More)
BACKGROUND Definitive chemoradiation is a well-established option in the treatment of locally advanced squamous cell carcinoma of the head and neck. The intention of this study was to evaluate its efficacy on cervical lymph node metastases in a prospective study after a standardized protocol for chemoradiation (CRT) and histopathological evaluation,(More)
CONCLUSION Salivary stones in the parotid gland that are not amenable to endoscopic extraction can safely be removed by a combined, endoscopic-external approach. OBJECTIVE Limitations for endoscopic removability of salivary stones from the parotid gland are immobile stones in the deeper salivary duct system. A combined endoscopic and transcutaneous(More)