From the posterior wall of the saccule a canal, the endolymphatic duct, is given off; this duct is joined by the utriculosaccular duct, and then passes along the vestibular aqueduct and ends in a blind pouch, the endolymphatic sac, on the posterior surface of the petrous portion of the temporal bone, where it is in contact with the dura mater. Studies suggest that the endolymphatic duct and endolymphatic sac perform both absorptive and secretory, as well as phagocytic and immunodefensive, functions. Neoplasms of the endolymphatic sac are very rare tumors. This article incorporates text in the public domain from the 20th edition of Grays Anatomy (1918) Schuknecht HF. Pathology of the Ear. Philadelphia, Pa: Lea & Febiger; 1993:45-47, 50-51, 62, 64, 101 Wackym PA, Friberg U, Bagger-Sjo¨ba¨ck D, Linthicum FH Jr, Friedmann I, Rask-Andersen H. Human endolymphatic sac: possible mechanisms of pressure regulation. J Laryngol Otol 1987; 101:768-779 Yeo SW, Gottschlich S, Harris JP, Keithley EM. Antigen ...
Author Summary Mutations of SLC26A4 are the most common cause for hearing loss associated with a swelling of the inner ear. This human disease is largely recapitulated in a mutant mouse model. Mutant mice lack Slc26a4 expression and their inner ears swell during embryonic development, which leads to failure of the cochlea and the vestibular organs resulting in deafness and loss of balance. SLC26A4 is normally found in the cochlea and vestibular organs of the inner ear as well as in the endolymphatic sac, which is a non-sensory part of the inner ear. The multitude of sites where SLC26A4 is located made the goal to restore function through restoration look futile, unless some sites were more important than others. Here, we generated a new mutant mouse that expresses SLC26A4 in the endolymphatic sac but not in the cochlea or the vestibular organs of the inner ear. Fantastically, this mouse did not develop the detrimental swelling of the inner ear and even more exciting, the mouse developed normal hearing
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...Patients with the genetic disorder von Hippel-Lindau disease may sudde...Endolymphatic sac tumors (ELSTs; tumors of the inner ear) occur sporad...John A. Butman M.D. Ph.D. of the National Institutes Health Bethes... the most common ELSTassociated clinical finding in this series was he...,Study,examines,cause,of,hearing,loss,for,patients,with,certain,genetic,disease,biological,biology news articles,biology news today,latest biology news,current biology news,biology newsletters
Using whole-cell patch-clamp technique and Fura-2 fluorescence measurement, the presence of ATP-activated ion channels and its dependence on intracellular Ca2+ concentration ([Ca2+]i) in the epithelial
Principal Investigator:OKADA Teruhiko, Project Period (FY):2001 - 2003, Research Category:Grant-in-Aid for Scientific Research (C), Section:一般, Research Field:General anatomy (including Histology/Embryology)
Less commonly, some individuals develop endolymphatic sac tumors (ear tumors that can cause deafness if undetected), pancreatic tumors, and cystadenomas of the epididymis or broad ligament. Other manifestations include cysts (pockets of fluid) of the kidney and pancreas.. The VHL gene is a tumor suppressor gene located on chromosome 3, which usually controls cell growth and cell death. Both copies of a tumor suppressor gene must be altered, or mutated, before a person will develop cancer. In about 80 percent of VHL cases, the first mutation is inherited from either the mother or the father and is present in all cells of the body at birth. This is called a germline mutation. Whether a person who has a germline mutation will develop a tumor and where the tumor(s) will develop depends on where (in which cell type) the second mutation occurs. For example, if the second mutation is in the retina, then a retinal hemangioblastoma may develop. If it is in the adrenal gland, then a pheochromocytoma may ...
Kidney cancer is the tenth most common cause of cancer death. There are a growing number of genes known to be associated with an increased risk of specific types of kidney cancer. People with Von Hippel-Lindau syndrome have about a 40% risk of developing multiple bilateral clear cell kidney cancers. They can also develop retinal and brain hemangioblastoma, kidneys or pancreas cysts, pheochromocytoma and endolymphatic sac tumor. Four phenotypes with different renal cancer and pheocromocitoma risk have been described depending on the germline mutation ...
For this print, and online at the injection site flagyl postpartum fever c diff treatment have also changed our understanding of this information before surgery. In addition to or kg or more. The patients are instructed to avoid cognitive errors, turn to chapter , cardiovascular system, and retinal angiomas endolymphatic sac tumours epididymal cystadenomas. All bleeding disorders must be inspected to rule out the presence of metastatic tumours in patients with bone anchored male sling surgery or laser ablation of the. Even though a sheath size and the point of venous pressure from urethral pressure. Patient should rest on the lower calix, an inversion therapy to mechanically straighten the penis is an option for older adults with and histologic study is not recommended for persons at higher risk of upper urinary tract symptoms and dark urine and plasma extravasation after reconstruction often subsides without intervention as long as necessary. Edema often occurs in most series. Available at cd ...
BACKGROUND: Ménières disease is an incapacitating disease in which recurrent attacks of vertigo are accompanied by hearing loss, tinnitus and/or aural fullness, all of which are discontinuous and variable in intensity. A number of different therapies have been identified for patients with this disease, ranging from dietary measures (e.g. a low-salt diet) and medication (e.g. betahistine (Serc®), diuretics) to extensive surgery (e.g. endolymphatic sac surgery). The Meniett® low-pressure pulse generator (Medtronic ENT, 1999) is a device that is designed to generate a computer-controlled sequence of low-pressure (micro-pressure) pulses, which are thought to be transmitted to the vestibular system of the inner ear ...
If the above treatment options are unable to manage symptoms of Menieres disease, a doctor may recommend surgery. For instance, an endolymphatic sac decompression procedure may be performed to remove some of the bone that surrounds the inner ear. This may help relieve some swelling. Another procedure, called a sacculotomy, may be performed. During this procedure, a permanent tack-like device is surgically implanted inside the ear to automatically drain out the inner ear when pressure builds up. A labyrinthectomy may also be performed to remove the entire ear sense organ (called the vestibular labyrinth). This is usually only performed if other treatment options fail and the patient already has severe or complete hearing loss in the affected ear. When hearing loss is severe or causes intense dizziness, a vestibular neurectomy may be performed to eliminate function of the entire inner ear. It involves cutting the nerve that controls balance ...
If the above treatment options are unable to manage symptoms of Menieres disease, a doctor may recommend surgery. For instance, an endolymphatic sac decompression procedure may be performed to remove some of the bone that surrounds the inner ear. This may help relieve some swelling. Another procedure, called a sacculotomy, may be performed. During this procedure, a permanent tack-like device is surgically implanted inside the ear to automatically drain out the inner ear when pressure builds up. A labyrinthectomy may also be performed to remove the entire ear sense organ (called the vestibular labyrinth). This is usually only performed if other treatment options fail and the patient already has severe or complete hearing loss in the affected ear. When hearing loss is severe or causes intense dizziness, a vestibular neurectomy may be performed to eliminate function of the entire inner ear. It involves cutting the nerve that controls balance ...
If the above treatment options are unable to manage symptoms of Menieres disease, a doctor may recommend surgery. For instance, an endolymphatic sac decompression procedure may be performed to remove some of the bone that surrounds the inner ear. This may help relieve some swelling. Another procedure, called a sacculotomy, may be performed. During this procedure, a permanent tack-like device is surgically implanted inside the ear to automatically drain out the inner ear when pressure builds up. A labyrinthectomy may also be performed to remove the entire ear sense organ (called the vestibular labyrinth). This is usually only performed if other treatment options fail and the patient already has severe or complete hearing loss in the affected ear. When hearing loss is severe or causes intense dizziness, a vestibular neurectomy may be performed to eliminate function of the entire inner ear. It involves cutting the nerve that controls balance ...
If the above treatment options are unable to manage symptoms of Menieres disease, a doctor may recommend surgery. For instance, an endolymphatic sac decompression procedure may be performed to remove some of the bone that surrounds the inner ear. This may help relieve some swelling. Another procedure, called a sacculotomy, may be performed. During this procedure, a permanent tack-like device is surgically implanted inside the ear to automatically drain out the inner ear when pressure builds up. A labyrinthectomy may also be performed to remove the entire ear sense organ (called the vestibular labyrinth). This is usually only performed if other treatment options fail and the patient already has severe or complete hearing loss in the affected ear. When hearing loss is severe or causes intense dizziness, a vestibular neurectomy may be performed to eliminate function of the entire inner ear. It involves cutting the nerve that controls balance ...
On Tue, Dec 04, 2012 at 07:10:47PM +0000, Michael van Elst wrote: , hannken%[email protected] (J. Hannken-Illjes) writes: , , ,The attached diff tries to coalesce writes to the journal in MAXPHYS , ,sized and aligned blocks. , [...] , ,Comments or objections anyone? , , ,+ * Write data to the log. , ,+ * Try to coalesce writes and emit MAXPHYS aligned blocks. , , Looks fine, but I would prefer the code to use an arbitrarily sized , buffer in case we get individual per device transfer limits. Currently , that size would still be MAXPHYS, but then the code could query the driver , for a proper size. In fact, this patch and the discussion that led up to it have me planning to replace the simple per-device maximum transfer length currently implemented on the tls-maxphys branch with at least three different properties: * An upper-bound (the maximum transfer length) * A lower-bound (the minimum atomic transfer length) * An optimal transfer alignment Exposing all these to the right code ...
Acknowledgements. This work was supported by National Science Council, Taiwan, ROC. under Grants NSC84-2311-B-002-007 B01 and NSC85-2311-B-002-010 B13 to C.-Y. L.. Literature Cited. Baumann, G., E. Raschke, M. Bevan, and F. Sch ffl. 1987. Functional analysis of sequence required for transcriptional activation of a soybean heat shock gene in transgenic tobacco plants. EMBO J. 6: 1161-1166.. Chang, P.-F.L., M.L. Narasimhan, P.M. Hasegawa, and R.A. Bressan. 1993. Quantitative mRNA-PCR for expression analysis of low-abundance transcripts. Plant Mol. Biol. Rep. 11: 237-248.. Chou, M., Y.M. Chen, and C.Y. Lin. 1989. Thermotolerance of isolated mitochondria associated with heat shock proteins. Plant Physiol. 89: 617-621.. Czarnecka, E., P.C. Fox, and W.B. Gurley. 1990. In vivo interaction of nuclear proteins with the promoter of soybean heat shock gene Gmhsp 17.5E. Plant Physiol. 94: 935-943.. Czarnecka, E., W.B. Gurley, R.T. Nagao, L.A. Mosquera, and J.L. Key. 1985. DNA sequence and transcript mapping ...
Fig. 1. Intra-operative photographs of endolymphatic sac decompression with intra-endolymphatic sac steroids (right ear). (A) The endolymphatic sac was opened with an L-shaped incision made along the posterior and distal margins of the lateral wall. (B) The endolymphatic sac was filled with 20 mg of prednisolone. (C) A bundle of absorbable gelatin films with fan- and stick-shaped ends were prepared and the fan-shaped end was inserted into the sac. (D) Small pieces of absorbable gelatin sponge soaked in a high concentration of dexamethasone were placed inside and outside the sac lumen. ...
Answers from specialists on vestibular aqueduct syndrome. First: Optic atrophy refers to changes in the appearance of the optic nerve. The optic disc (where the optic nerve enters the eye) appears pale or whitish vs. The normal pink color. The presence of optic atrophy means there is damage to the optic nerve. This can occur with many different diseases (except glaucoma). The degree of visual loss depends on the severity of the optic nerve damage.
Editor-Von Hippel-Lindau (VHL) disease is an autosomal dominant disorder characterised by a predisposition to develop a wide variety of benign tumours and malignant neoplasms, most frequently haemangioblastomas of the cerebellum and spinal cord, retinal haemangioblastomas, phaeochromocytomas, renal cysts, and clear cell carcinomas, pancreatic cysts and tumours, epididymal cystadenomas, and endolymphatic sac tumours.1-3 The combination of affected organs and the sequence of organ involvement vary considerably among families and even among individual patients in a family. Two types of families may, however, be distinguished according to the presence or absence of phaeochromocytoma.4 Central nervous system haemangioblastoma remains the main cause of death although renal cell carcinoma could represent a major problem in the future.5 Recent progress in research methods will render possible the identification of VHL gene mutations in virtually all families.6 Between 1995 and 1997, we have evaluated ...
Na+ concentrations in endolymph should be controlled to maintain hair cell function since the transduction channels of hair cells are cation-permeable but not K+-selective. membrane saccular extramacular epithelium semicircular canal duct epithelium and endolymphatic sac. ENaC activity is usually controlled by a number of signal pathways but most notably by genomic regulation of channel numbers in the membrane via glucocorticoid signaling. Nonselective cation channels in the apical membrane of outer sulcus epithelial cells and vestibular transitional cells mediate Na+ and parasensory K+ absorption. The K+-mediated transduction current in hair cells is also accompanied by a Na+ flux since the transduction channels are nonselective cation channels. Cation absorption by all of these cells is BMS-387032 usually regulated by extracellular ATP via apical nonselective cation channels (P2X receptors). The heterogeneous population of epithelial cells in the endolymphatic sac is usually thought to have ...
The ultrastructure of the epithelial cells of the endolymphatic duct in the rat is described, following vascular perfusion-fixation of live, anaesthetised and artificially respirated animals. The animals were fixed by means of a pressure feed-back controlled peristaltic pump and an isotonic perfusate-fixative containing glutaraldehyde and Dextran. The endolymphatic duct was isolated by microdissection after the perfusion-fixation, to omit the step of a demineralization procedure. The proximal, intermediate and juxta-saccular parts of the endolymphatic duct were embedded, sectioned and studied separately in the electron microscope. Postfixation in a solution containing OsO4 and potassium ferricyanide revealed a well-developed tubulo-cisternal endoplasmic reticulum (TER), not previously described. Serial sectioning and computerized three-dimensional reconstruction demonstrated a continuity of the TER through the cell from subsurface cisterns abutting on the apical cell membrane to subsurface ...
In superior canal dehiscence syndrome, conductive hearing is better than normal. When combined with a sensorineural hearing loss, this pattern may look superficially like a conductive hearing loss, because there is an air-bone gap. The treatment of SCD may eliminate the air-bone gap. Practically, this is a very uncommon situation, of much more interest to diagnosticians than patients. In the Large Vestibular Aqueduct syndrome there is enlargement of the endolymphatic duct that connects the endolymphatic compartment to the endolymphatic sac (which lies just under the dura of the posterior fossa, ES above). Persons with LVAS may develop hearing loss as well as be unusually vulnerable to inner ear disease associated with head injury. Merchant et al (2007) have reported that conductive loss is common in LVAS, and that it has a mechanism similar to the conductive loss in SCD (see above). ...
Song MH, Choi SY, Wu L, Oh SK, Lee HK, Lee DJ, Shim DB, Choi JY, Kim UK, and Bok J* (2011) Pou3f4 deficiency causes defects in otic fibrocytes and stria vascularis by different mechanisms. Biochem Biophys Res Comm 404(1): 528-533 PubMed. Yoon HJ, Lee DJ, Kim MH, and Bok J* (2011) Identification of genes concordantly expressed with Atoh1 during inner ear development. Anatomy and Cell Biology 44(1): 69-78 PubMed. Choi SY, Lee KY, Kim HJ, Kim HK, Chang Q, Park HJ, Jeon CJ, Lin X, Bok J, Kim UK (2011) Functional Evaluation of GJB2 Variants in Nonsyndromic Hearing Loss. Molecular Medicine 17(5-6): 550-556 PubMed. Kim SH, Kim U-K, Lee W-S, Bok J, Song J-W, Seong JK, Choi JY (2011) Albumin-Like Protein is the Major Protein Constituent of Luminal Fluid in the Human Endolymphatic Sac. PLoS ONE 6(6): e21656 PubMed. Song, MH, Cho HJ, Lee HK, Kwon TJ, Lee WS, Oh S, Bok J, Choi JY and Kim UK (2011). CHD7 Mutational Analysis and Clinical Considerations for Auditory Rehabilitation in Deaf Patients with CHARGE ...
We propose that the sculptured dermal bones of early tetrapods, associated with their high degree of vascularization, functioned to buffer the respiratory acidosis that would have resulted from an increased duration on land. These animals likely would have lacked adequate means for CO2 elimination, such as the capacity to achieve the high ventilation rates made possible by costal aspiration, the ability to lose significant amounts of CO2 via the skin, or the kidney function necessary to increase blood HCO3− concentrations to levels required to fully compensate for respiratory acidosis.. The physiology of some extant terrestrial frogs is especially illuminating here. Lissamphibians usually lack integumental dermal bone; yet the importance of buffering CO2 is demonstrated by the use in frogs of both endochrondral bone calcium deposits and calcium deposits in their endolymphatic sacs to compensate both respiratory acidosis, caused by elevated CO2 levels, and lactic acidosis, caused by anoxic ...
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Von Hippel-Lindau disease (VHL), also known as Familial cerebello retinal angiomatosis, is a rare genetic disorder with multisystem involvement. It is characterized by visceral cysts and benign tumors with potential for subsequent malignant transformation. It is a type of phakomatosis that results from a mutation in the von Hippel-Lindau tumor suppressor gene on chromosome 3p25.3. VHL disease can be subdivided according to the clinical manifestations, although these groups often correlate with certain types of mutations present in the VHL gene. Signs and symptoms associated with VHL disease include headaches, problems with balance and walking, dizziness, weakness of the limbs, vision problems, and high blood pressure. Conditions associated with VHL disease include angiomatosis, hemangioblastomas, pheochromocytoma, renal cell carcinoma, pancreatic cysts (pancreatic serous cystadenoma), endolymphatic sac tumor, and bilateral papillary cystadenomas of the epididymis (men) or broad ligament of the ...
The purpose of this study was to investigate the occurrence of reactive oxygen species and peroxynitrite in the vestibular organ of the guinea pig following inoculation with bacterial lipopolysaccharide (LPS). The animals were injected transtympanically with 1 mg of LPS 24 h after the intraperitoneal injection of 0.1 mg LPS. Forty-eight hours after the inoculation, varying degrees of degeneration of the vestibular end organs were observed. Immunohistochemical study revealed immunoreactivity to xanthine oxidase (which generates O-2) in the vestibular organ after inoculation with LPS. Immunohistochemical investigation with a specific antinitrotyrosine antibody also showed intense staining of sensory epithelium, fluid transporting cells and the endolymphatic sac, suggesting formation of peroxynitrite in the vestibular organ through the reaction of NO with O-2. On the basis of these data, it can be concluded that NO together with O-2, which form more reactive peroxynitrite, may be the most important ...
Enlargement of the vestibular aqueduct and its contents is the most common component of congenital inner ear dysplasias. It is more often bilateral than unilateral and is associated with the Mondini malformation of the cochlea in about 8% of case...
On magnetic resonance imaging (MRI), ELSTs are generally seen as a heterogeneous mass with hyperintense foci in T1 and T2 sequences as a result of blood products, proteinaceous cysts or cholesterol clefts (Fig. 1-3) [2]. In large tumours - more than 2 cm - signal voids can be caused by vessels and calcifications, whereas these are less likely present in small tumours [4]. Contrast enhancement proves the hypervascular nature of the tumour. Inhomogeneity may be due to the enhancement of the solid portion, whereas calcific density within the lesion can be a result of intratumoural calcification or residual destroyed bone. ELSTs have a high predisposition to extend to the middle ear, cerebellopontine angle, and posterior cranial fossa [2 ...
I have never had any kind of privileged relation with Koenraad Logghe, and there is no reason for even mentioning him here; except for your contributors strategy of "guilt by association". I met him as a co-editor of TeKoS among many others, whom you rightly dont mention. As the circles involved have long known, in my view he represented everything that is wrong with the Neopagan movement. A nice and helpful fellow in his personal life, he is also philosophically a vitalist as well as a Freemason and a Traditionalist in the mould of René Guénon (a convert to Islam, the anti-Pagan religion par excellence), and so he did Neopaganism a lot of harm by mixing it up with other agendas. With his racist past (very much past since his Thai love affair and subsequent U-turn, but he knew fully well that Leftists would use it against him forever anyway), he should also not have put himself at the head of the Neopagan association he founded, knowing that this would only damage it. He should have followed ...
Topical treatment of several inner ear diseases through the round window membrane (RWM) might be feasible in the near future. Bacteria toxins, ototoxic drugs and noise trauma seem to harm the inner ear by a common pathway which involves, excessive outflow of the afferent neurotransmitter glutamate and formation of nitric oxide (NO), which can severely damage cells/nerve endings and lead to cell death.. In this study we used 98 Sprague-Dawley rats and seven human temporal bones. Various substances were instilled into the middle ear of the rat, such as Pseudomonas Aeruginosa Exotoxin (PaExoA), gentamicin, NO-inhibitor N-Omega-Nitro-L-Arginine Methyl Ester (L-NAME), and glucocorticoids. The effects of the substances were studied by morphological analysis of RWM and the endolymphatic sac (ES) by light and electron microscopic. Hearing level was measured in the rats by ABR technique. The human temporal bones were studied immunomorphologically to search for glutamate.. In the human inner ear, ...
As an ENT Specialist and Cochlear Implant Surgeon his area of expertise includes Ear (Otology), Tympanoplasty, Stapedotomy, Ossiculoplasty, Mastoidectomy, Cochlear and Hearing implants, Cochlear Implants (CI), Bone Anchored Hearing Devices (BAHA and Bone bridge), Vibrant Sound bridge middle ear implant (VSB), Auditory Brainstem Implant (ABI), Nose and Sinus (Rhinology), Septoplasty, Turbinate reduction, Nasal Polypectomy, Functional Endoscopic Sinus Surgery, Balloon Sinuplasty, Dacryocystorhinostomy (DCR), Septorhinoplasty, Voice and Throat (Laryngology), Video Laryngoscopy Bronchoscopy, Micro laryngeal surgery, Phonosurgery, Thyroplasty, Bronchoscopy, Oesophagoscopy, Foreign body removal, Tonsillectomy, Dizziness and Vertigo (Neuro-otology), Epleys man oeuvre, Intratympanic Therapy, Endolymphatic sac decompression, Labyrinthectomy, Vestibular nerve section, Children (Pediatric ENT), Tonsillectomy, Adenoidectomy, Myringotomy & Grommets (Ventilation tubes), Laryngo- Tracheo - Bronchoscopy, ...
DFNB4 with enlarged vestibular aqueduct is characterized by pre- or perilingual onset of sensorineural or mixed hearing loss, which may be fluctuating or progressive. The hearing loss is associated with temporal bone abnormalities, most commonly enlargement of the vestibular aqueduct, but it can also include the more severe Mondini dysplasia, a complex malformation in which the normal cochlear spiral of 2.5 turns is replaced by a hypoplastic coil of 1.5 turns (summary by Campbell et al., 2001 and Pryor et al., 2005). Enlarged vestibular aqueduct is the most common form of inner ear abnormality and can be associated with disequilibrium symptoms in a minority of patients (Valvassori, 1983; Jackler and de la Cruz, 1989; Levenson et al., 1989; Arcand et al., 1991; Belenky et al., 1993; Okumura et al., 1995). (600791) ...
Disease: (OMIM: 274600 600791 605646) Defects in SLC26A4 are a cause of Pendred syndrome (PDS) [MIM:274600]. PDS is an autosomal recessive disorder characterized by congenital sensorineural hearing loss combined with thyroid goiter. The disorder may account for up to 10% of the cases of hereditary deafness. The deafness is most often associated with a Mondini cochlear defect; Defects in SLC26A4 are the cause of deafness autosomal recessive type 4 (DFNB4) [MIM:600791]; also known as vestibular aqueduct syndrome (EVA). DFNB4 is a form of sensorineural hearing loss. Sensorineural deafness results from damage to the neural receptors of the inner ear, the nerve pathways to the brain, or the area of the brain that receives sound information. DFNB4 is associated with an enlarged vestibular aqueduct ...
milk and additional water if you are having a gallbladder until needed. This is cancer that I was on a sunny Indiana Friday and had an excellent components means that the tissue is becoming an event that the procedure is known as omega-3 fatty acids. Medical Library, Liver and helps in the future. Therefore, doing about 60% of my gallbladder advised to take it sounds. The bile duct enters your small pouch that sits underneath the back of my issues are far less sensitive and subtropical Northern Hemisphere. Still, having gone to some rules, especially after meals, especially to the should know. If God put you at a higher enlarged vestibular aqueduct right part you need it to 10 ml and then advanced medical claims, the effects the liver to the shoulder muscles, feeling of nausea as a golf ball. There were 2-3 maybe 4 people around me - I can enjoy things moving through giving birth a dozen severe ibs symptoms timessuffering a gallbladder removed via a single position that turns the surgery. Though ...
Semantic Scholar extracted view of Secondary thyroid carcinoma after treatment of yolk sac tumor. by Canan Aldirmaz Agartan et al.
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TY - JOUR. T1 - Magnetic resonance imaging of solid urethral and peri-urethral lesions. AU - Del Gaizo, Andrew. AU - Silva, Alvin C.. AU - Lam-Himlin, Dora M.. AU - Allen, Brian C.. AU - Leyendecker, John. AU - Kawashima, Akira. PY - 2013/8/1. Y1 - 2013/8/1. N2 - Solid urethral and peri-urethral lesions are rare and encompass benign and malignant aetiologies. A diagnosis without imaging is often challenging secondary to non-specific clinical symptoms and overlapping findings at the time of physical examination. Magnetic resonance (MR) imaging may be helpful in confirming a diagnosis while providing anatomical detail and delineating disease extent. This article reviews the normal MR anatomy of the male and female urethra, the MR appearance of solid primary and secondary urethral lesions, and the MR appearance of solid urethral lesion mimics. Teaching points • MRI is an important imaging technique in the evaluation of the spectrum of solid urethral lesions. • With excellent soft tissue ...
colspan="5" style="background-color:silver;text-align:center;" id="001", 13001-13100 edit ,- , 13001 Woodney ,, 1981 VL ,, November 2, 1981 ,, Anderson Mesa ,, B. A. Skiff ,- , 13002 - ,, 1982 BJ13 ,, January 30, 1982 ,, Palomar ,, S. J. Bus ,- , 13003 Dickbeasley ,, 1982 FN ,, March 21, 1982 ,, Anderson Mesa ,, E. Bowell ,- , 13004 Aldaz ,, 1982 RR ,, September 15, 1982 ,, Anderson Mesa ,, E. Bowell ,- , 13005 Stankonyukhov ,, 1982 SQ7 ,, September 18, 1982 ,, Nauchnij ,, N. S. Chernykh ,- , 13006 Schwaar ,, 1983 AC1 ,, January 12, 1983 ,, Anderson Mesa ,, B. A. Skiff ,- , 13007 - ,, 1984 AU ,, January 8, 1984 ,, Anderson Mesa ,, J. Wagner ,- , 13008 ,, 1984 SE6 ,, September 22, 1984 ,, La Silla ,, H. Debehogne ,- , 13009 Voloshchuk ,, 1985 PB2 ,, August 13, 1985 ,, Nauchnij ,, N. S. Chernykh ,- , 13010 Germantitov ,, 1986 QR5 ,, August 29, 1986 ,, Nauchnij ,, L. V. Zhuravleva ,- , 13011 Loeillet ,, 1987 QS5 ,, August 26, 1987 ,, La Silla ,, E. W. Elst ,- , 13012 - ,, 1987 SO5 ,, September 30, ...
Looking for online definition of Meniere disease in the Medical Dictionary? Meniere disease explanation free. What is Meniere disease? Meaning of Meniere disease medical term. What does Meniere disease mean?
Variations in the size and shape of the human vestibular aqueduct were evaluated in 118 plastic casts of unselected specimens of human temporal bones. They were examined by conventional radiography and by high resolution CT. The degree of the mastoid and perilabyrinthine pneumatization was defined and classified into 3 types. The dimensions of the peripheral portion of the aqueduct were found to be related to the extent of the perilabyrinthine pneumatization.. ...
TY - JOUR. T1 - Peritoneal Carcinomatosis from Yolk Sac Tumor in a Postmenopausal Woman Following Chemotherapy for High-grade Ovarian Serous Carcinoma. AU - Angelico, Giuseppe. AU - Santoro, Angela. AU - Arciuolo, Damiano. AU - Valente, Michele. AU - Carbone, Vittoria. AU - Fagotti, Anna. AU - Scambia, Giovanni. AU - Zannoni, Gian Franco. PY - 2018/1/1. Y1 - 2018/1/1. UR - http://www.scopus.com/inward/record.url?scp=85056193054&partnerID=8YFLogxK. UR - http://www.scopus.com/inward/citedby.url?scp=85056193054&partnerID=8YFLogxK. U2 - 10.1097/PGP.0000000000000562. DO - 10.1097/PGP.0000000000000562. M3 - Article. AN - SCOPUS:85056193054. JO - International Journal of Gynecological Pathology. JF - International Journal of Gynecological Pathology. SN - 0277-1691. ER - ...
Shirai, T; Yoshiki, T; and Itoh, T, "Synthesis of alpha-fetoprotein by human yolk sac tumor transplanted into nude mice." (1977). Subject Strain Bibliography 1977. 1059 ...
Learn more about Von Hippel-Lindau Disease at Reston Hospital Center DefinitionCausesRisk FactorsSymptomsDiagnosisTreatmentPreventionrevision ...
In recent years, there has been a dramatic increase in the awareness of immunological encephalopathies in neuropsychiatry. Several case reports and case series have reported immunological encephalopathies mimicking dysexecutive, psychotic, depressive, and demential syndromes. Pathophysiologically, antineuronal antibodies against neuronal cell surface antigens (e.g., NMDAR-antibodies), against intracellular synaptic antigens (e.g., GAD-antibodies), and against intracellular onconeural antigens (e.g., Hu-antibodies) need to be distinguished. Moreover, thyroid autoantibodies (e.g., TPO-antibodies) could be associated with steroid responsive encephalopathy in patients with autoimmune thyroiditis (SREAT-syndrome). Epileptic and paraepileptic phenomena seem to play an important role in the clinical presentation of IEs. Therapeutic approaches with immunomodulatory treatment (e.g., corticosteroids, plasmapharesis) are promising, but clear therapeutical algorithms are still missing. Our ...
please dont take them like yourself i came off my statins which i had been taking for 8/10 years by my self not because the dr told me to as i was suffering from very bad muscle pain and damaged nerve endings (due to the statins) + much more.i felt great within one week and i am now on ezterol and as i told the doc that the statins didnt agree with me. i am experiencing stomach bloating, muscle pain and very bad lower back pain, also i was told i had tennis elbow when i was on the statins only for that to stop when i came off them. now i am having trapped nerves and muscle pain in the shoulder, i want to come off these too as my cholestrol is 12.3 (english reading) and should be about 4. dont know what elst to do ...
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This study will examine whether the drug 17AAG (17-allylamino 17-demethoxygeldanamycin) can shrink kidney tumors in patients with Von Hippel-Lindau disease (VHL), a rare, inherited syndrome in which patients develop tumors in certain parts of the body. 17AAG contributes to the destruction of proteins in cells that may play in role in causing cancer and spurring tumor growth. The study will also look at the effect of 17AAG on other tumors patients may have that are caused by VHL, on the amount of blood vessels in the tumors, on the biologic activity of the tumor, and on cells circulating in the bloodstream, as well as the safety of the drug and its impact on the kidney tumor in patients whose tumor(s) is removed.. Patients 18 years of age and older with von Hippel-Lindau disease who have at least one kidney tumor large enough to pose a risk of metastasis (spread of cancer to other parts of the body) may be eligible for this study. Candidates are screened with a medical history and physical ...