[Clinical experience with the hygienic reprocessing of rigid endoscopes lacking a working channel with reference to practicability in clinical routine].

abstract：:Solid tumors show an altered metabolism with respect to glycolysis in comparison to normal tissue. Recently, the determination of different glycolytic metabolites for tumor diagnosis and therapeutic decision-making became the focus of interest for various research groups. In particular an increased lactate concentrati...

journal_title：HNO

authors： Ziebart T,Walenta S,Sattler U,Kunkel M,Wagner W,Müller-Klieser W

更新日期：2010-01-01 00:00:00

abstract：:We report two cases of chemodectoma of the larynx. A 70-year-old man underwent a laryngectomy in April 1984 for a tumor diagnosed as a squamous cell carcinoma but which postoperatively proved to be a chemodectoma. Ipsilateral cervical metastases appeared 2 years later and were removed by local excision. Shortly therea...

journal_title：HNO

authors： Bootz F,Helliwell TR,Gärtner HV

更新日期：1988-04-01 00:00:00

abstract：:Although many studies are available concerning the treatment of sudden deafness using hyperbaric oxygenation, only a few of these deal with tinnitus. The aim of the present study was to evaluate the therapeutic use of hyperbaric oxygenation in cases of tinnitus. A total of 193 patients, having undergone primary intrav...

journal_title：HNO

authors： Delb W,Muth CM,Hoppe U,Iro H

更新日期：1999-12-01 00:00:00

abstract：:The skull base was perforated and extensive wounds occurred in the brain during the passage of a nasogastric tube on a 48 year old woman, under general anaesthetic. The patient was treated by artificial respiration but died on the 14th day. The site of entry was the sphenoid sinus. False passage of the tube was favour...

journal_title：HNO

authors： Krauland W,Schneider S

更新日期：1983-07-01 00:00:00

abstract：INTRODUCTION:According to our audiological data, 90% of tinnitus patients have deficits in inner ear function as a generator of tinnitus, mainly in the outer hair cells (OHC). This can be verified by registration of distortion products of otoacoustic emissions (DPOAE). Thus, the main origin of tinnitus is peripheral, a...

journal_title：HNO

authors： Hesse G,Andres R,Schaaf H,Laubert A

更新日期：2008-07-01 00:00:00

abstract：INTRODUCTION:The aim of the present study is to identify clinical factors that influence the incidence and the prognosis of local and regional recurrences. PATIENTS AND METHODS:The data of 1,426 patients with newly diagnosed squamous cell carcinoma of the upper aerodigestive tract who were treated by curative laser mi...

journal_title：HNO

authors： Jäckel MC,Martin A,Steiner W

更新日期：2007-12-01 00:00:00

abstract：:In cystic fibrosis (CF) mucociliary clearance of the entire respiratory system is impaired. This allows pathogens, such as Pseudomonas aeruginosa to persist and proliferate, which by progressive pulmonary destruction causes 90 % of premature deaths due to this inherited disease. The dramatic improvement in life expect...

journal_title：HNO

authors： Mainz JG,Gerber A,Arnold C,Baumann J,Baumann I,Koitschev A

更新日期：2015-11-01 00:00:00

abstract：:Due to late diagnosis and poor treatment response, advanced head and neck squamous cell carcinoma (HNSCC) belongs to the tumor diseases with highest mortality worldwide. Although many biomarkers have been investigated over the past years, none have yet become established in clinical practice. There is thus an urgent n...

journal_title：HNO

authors： Theodoraki MN,Ludwig S

更新日期：2020-02-01 00:00:00

abstract：:In a prospective study 16 patients with cervical lymph node metastases from an occult tumor were analyzed by (18F)FDG positron emission tomography (PET). The aim of this study was to locate the primary tumor. In 7 patients a localized increase in activity was seen on PET, with this site of activity histologically prov...

journal_title：HNO

authors： Schipper JH,Schrader M,Arweiler D,Müller S,Sciuk J

更新日期：1996-05-01 00:00:00

abstract：:Autologous transplantation is regarded as the gold standard in the treatment of congenital or acquired deformities. However, the availability of autologous tissue for transplantation is often limited. Regenerative medicine aims to activate individuals' own intrinsic regenerative mechanisms and embraces tissue engineer...

journal_title：HNO

authors： Riedel F,Goessler UR,Stern-Straeter J,Riedel K,Hörmann K

更新日期：2008-03-01 00:00:00

abstract：BACKGROUND:In the present study we investigated the culturing of fibroblasts on fibrin glue embedded suture nets, to analyse the possibility of using these components in a suture application technique for the closure of a CSF-fistula. RESULTS:Placement of centrally perforated dura pieces on fibrin glue coated surfaces...

journal_title：HNO

authors： Wolf G,Plinkert PK,Schick B

更新日期：2005-05-01 00:00:00

abstract：:A fully implantable hearing aid consists of a sound receptor (microphone), an electronic amplifier including active audio-signal processing, an electromechanical transducer (actuator) for stimulating the ear by vibration, and an energy source. The energy source may be either a primary cell or a rechargeable (secondary...

journal_title：HNO

authors： Baumann JW,Leysieffer H

更新日期：1998-02-01 00:00:00

abstract：:Papillomas are rare tumors that originate from the mucosa. They may appear in the nose, paranasal sinuses, oral cavity, larynx, trachea, or the skin. Papillomas are mainly asymptomatic and are therefore mostly diagnosed coincidentally. In contrast, laryngeal papillomatosis may cause stridor, dyspnoea, and hoarseness. ...

journal_title：HNO

authors： Andratschke M,Betz C,Leunig A

更新日期：2008-12-01 00:00:00

abstract：:Guinea pig cochleae were prepared for scanning electron microscopy (SEM). The lateral surface of the outer hair cells was studied first with secondary electrons. It was possible to find a network of tubular cisterns and long mitochondria stained by osmium immediately under the plasma membrane detected by backscattered...

journal_title：HNO

authors： Reiss G

更新日期：1988-03-01 00:00:00

abstract：:There is increasing evidence of an association between occupational factors and head and neck cancer. The present paper reviews the most relevant epidemiological studies published within the last 30 years. Generally these studies indicate an increased cancer risk for "blue collar workers" exposed to dust or inhaled or...

journal_title：HNO

authors： Maier H,de Vries N,Weidauer H

更新日期：1990-08-01 00:00:00

abstract：:Calcium pyrophosphate dihydrate deposition disease (CPPD) of the temporomandibular joint is rare. The disorder is characterized by the presence of crystal deposits within the affected joint. The deposition of crystals in adjacent soft tissue may lead to the formation of pseudotumors. This form of the disease is called...

journal_title：HNO

authors： Koitschev C,Kaiserling E,Koitschev A

更新日期：2003-08-01 00:00:00

abstract：:The development of a middle ear cholesteatoma is usually associated with chronic inflammation and displacement of the mucosa present by the invading squamous epithelium. To analyze the clinically different behaviors of both epithelia, we used immunohistochemical methods to study the distribution and expression of inte...

journal_title：HNO

authors： Sudhoff H,Borkowski G,Bujia J,Hildmann H,Fisseler-Eckhoff A

更新日期：1997-08-01 00:00:00

abstract：:Telemedicine includes all medical activities involved in diagnosis, therapeutics or social medicine undertaken by an electronic transfer medium. This technique requires the transmission of visual and acoustic information over long distances and does not require the specialist to be personally present at the requested ...

journal_title：HNO

authors： Plinkert PK,Plinkert B,Zenner HP

更新日期：2000-09-01 00:00:00

abstract：:The occurrence, morphology, and ultrastructural changes in intercellular desmosomes in squamous cell carcinoma of the larynx was examined by electron miscroscopy. The number of desmosomes in laryngeal carcinomas was decreased as compared to normal epithelia. Structural alterations in the desmosomal components were als...

journal_title：HNO

authors： Schenk P

更新日期：1980-06-01 00:00:00

abstract：:We investigated 15 patients with unilateral facial paralysis using gadolinium(Gd)-DTPA (diethylenetriamine pentaacetic acid) enhanced (magnetic resonance imaging (MRI). Eleven were idiopathic and 1 each was due to basal skill trauma, Lyme's disease, Foville's syndrome and herpes zoster oticus. Ten of 11 Bell's palsies...

journal_title：HNO

authors： Doringer E,Albegger K,Sinzinger G,Schmoller HJ

更新日期：1991-09-01 00:00:00

abstract：BACKGROUND:The prognostic potential of click-evoked early acoustic evoked potentials (EAEP) for vestibular schwannoma (VS) diagnostics is considered insufficient for tumors small than approximately <1.5 cm in diameter. However, up until now, the derivations at higher sound pressure levels have mainly been used for EAEP...

journal_title：HNO

authors： Baljić I,Börner-Lünser E,Eßer D,Guntinas-Lichius O

更新日期：2017-09-01 00:00:00

abstract：:Malignancies of the nose, paranasal sinuses and anterior skull base are characterized by their hidden locations and late clinical manifestation. This explains why most of the patients at the University of Tübingen were diagnosed in an advanced tumor stage (15 T1/T2; 33 T3/T4). Surgical treatment was possible in 35 cas...

journal_title：HNO

authors： Plinkert PK,Zenner HP

更新日期：1996-04-01 00:00:00

abstract：:Sudden deafness is not a disease in itself. Unilateral impairment of inner ear function of acute onset is a symptom of unknown origin. Recent results of basic science and clinical research favour an alteration of physiological properties and/or a variety of different diseases as a cause of this inner ear dysfunction. ...

journal_title：HNO

authors： Steinert R

更新日期：1986-11-01 00:00:00

abstract：:Sound overexposure is known to cause damage to cochlear structures and can induce permanent or temporary hearing loss and tinnitus. Perhaps the most sensitive of these structures to sound overexposure are the tip links. In this paper the electrophysiological effects of pharmacological destruction of the tip links of o...

journal_title：HNO

authors： Meyer J,Gummer AW

更新日期：2000-05-01 00:00:00

abstract：:Despite recent advances in radiochemotherapy, treatment of locally advanced head and neck squamous cell carcinoma is still challenging, and survival rates have improved only slightly. This is due to the high frequency of metastases and local and/or regional tumor recurrences that have acquired radio- or chemoresistanc...

journal_title：HNO

authors： Heß AK,Weichert W,Budach V,Tinhofer I

更新日期：2016-05-01 00:00:00

abstract：:A microphone constructed for implantation in the posterior wall of the auditory canal and a piezoelectric transducer serving as the main components of an implantable hearing aid were temporally implanted in five patients during middle ear surgery under local anesthesia. The microphone was positioned beneath the skin o...

journal_title：HNO

authors： Zenner HP,Maassen MM,Lehner RL,Baumann JW,Leysieffer H

更新日期：1997-10-01 00:00:00

abstract：BACKGROUND:Counselling is a basic psychological intervention for chronic tinnitus the effectiveness of which has not yet been evaluated. SCIENTIFIC QUESTION:The therapeutic effect of counselling was compared to that of a self-help manual. Outcome was analysed for tinnitus disability, tendency to become chronic, and ac...

journal_title：HNO

authors： Konzag TA,Rübler D,Bloching M,Bandemer-Greulich U,Fikentscher E,Frommer J

更新日期：2006-08-01 00:00:00

abstract：BACKGROUND:The question of the "true" function of the maxillary sinus and the paranasal sinuses (PS) has been a controversial issue in the literature for decades, leading to many discussions and speculations. OBJECTIVE:This review briefly summarizes various theories on the possible physiology and functions of the maxi...

journal_title：HNO

authors： Sieron HL,Sommer F,Hoffmann TK,Grossi AS,Scheithauer MO,Stupp F,Lindemann J

更新日期：2020-08-01 00:00:00

abstract：BACKGROUND:The A1555G mutation in mitochondrial DNA is the cause of hearing impairment in about 50% of all carriers. The severity and onset of this impairment is predominantly affected by the use of aminoglycosides. PATIENTS AND METHODS:A total of 391 patients displaying sporadic, non-syndromic, mild to severe hearing...

journal_title：HNO

authors： Kupka S,Bodden-Kamps B,Baur M,Zenner HP,Pfister M

更新日期：2004-11-01 00:00:00

abstract：:The squamous epithelium and the granulating chronically inflamed mucosa of the middle ear are responsible for the development of a cholesteatoma. Squamous epithelium is stimulated to grow if it borders on granulation tissue, as in wound healing. Thus if granulation tissue forms in the tympanic membrane the basal membr...

journal_title：HNO

authors： Schwarz M

更新日期：1985-04-01 00:00:00