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4141“…Therefore, a EUS was performed observing an anechoic path that communicates the duodenal wall with a right subhepatic collection that was in contact with the proximal bile duct, thickening its walls. …”
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4142por Chanda, Metha, Klinphayom, Chaiya, Sungsuwan, Thanasak, Senarat, Wittaya, Thongkham, Ekkalak, Kamlangdee, Attapon, Senarat, Napaporn“…Although radiography revealed no abnormal findings in the carpal bones, ultrasonography depicted anechoic fluid and synovial cell proliferation within the common digital extensor tendon sheath. …”
Publicado 2021
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4143“…To this end, we thoroughly investigate all 18 available 3D antenna radiation patterns of the antenna measured in an anechoic chamber with respect to radiation coverage in the horizontal and vertical direction and propose a generalization of the power-pattern cross-correlation (PPCC) algorithm involving a high number of multiple calibration planes (MCP) as well as specific combinations of radiation pattern sets. …”
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4144por Tai, Hao-Chih, Chen, Kuen-Yuan, Wu, Ming-Hsun, Chang, King-Jen, Chen, Chiung-Nien, Chen, Argon“…Five computerized features, including anechoic area, hyperechoic foci, hypoechoic pattern, heterogeneous texture, and indistinct margin, were tested, with AUCs ranging from 0.888~0.946, 0.825~0.913, 0.812~0.847, 0.627~0.77, and 0.676~0.766, respectively. …”
Publicado 2022
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4145por Fonseca, Nelson J. G.“…The on-axis XPD, measured in an anechoic chamber, is better than 30 dB over the nominal bandwidth, which is also in line with simulations. …”
Publicado 2023
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4146“…For a loop-type propeller, an experimental investigation was conducted in association with its aerodynamic and acoustic characteristics via a hover stand test in an anechoic chamber; the psychoacoustic performance was then examined with psychoacoustic annoyance models to evaluate five psychoacoustic metrics comprising loudness, fluctuation strength, roughness, sharpness, and tonality. …”
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4147por Hollfelder, Daniela, Prein, Lukas, Jürgens, Tim, Leichtle, Anke, Bruchhage, Karl-Ludwig“…MATERIAL AND METHODS: A total of 15 patients using a VSB were measured using the adaptive categorical listening effort scaling (ACALES) method in a ring of loudspeakers placed in an anechoic room. Different background noises from different directions and simultaneously presented sentences from the Oldenburg sentence test were combined in four different realistic acoustic scenes. …”
Publicado 2022
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4148por Koch, Michael, Mantsopoulos, Konstantinos, Leibl, Victoria, Müller, Sarina, Iro, Heinrich, Sievert, Matti“…The ranulas were all in close anatomical relationship to the sublingual gland (SLG) and mylohyoid muscle (MM). The echo texture was hypoechoic to anechoic in 97.6% of the lesions. …”
Publicado 2022
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4149“…MCP may arise as a result of anechoic cystic fluid filling the loose tissue gap.…”
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4150por Valdez, Carolina Melendez, Altmayer, Stephan Philip Leonhardt, Faria, Adyr Eduardo Virmond, Weiss, Aline, Telles, Jorge Alberto Bianchi, Fell, Paulo Renato Krall, Targa, Luciano Vieira, Zen, Paulo Ricardo Gazzola, Rosa, Rafael Fabiano Machado“…CASE REPORT: A 17-year-old pregnant woman in her second gestation, at 23 weeks of pregnancy, presented an ultrasound with evidence of a cystic anechoic image in the fet al left hemithorax. A morphological ultrasound examination performed at the hospital found that this cystic image measured 3.7 cm x 2.1 cm x 1.6 cm. …”
Publicado 2014
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4151“…Moreover, fibrous tissue formation was diagnosed. In the left leg, anechoic fluid in the calcaneous bursa was seen. Evaluation of diagnostic imaging findings enables veterinarians to diagnose the site and extent of the lesions, choosing the appropriate therapeutic approach in addition to clinical symptoms.…”
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4152“…With the rabbit placed in an anechoic chamber, we made acoustic measurements with miniature microphones placed deep in each ear canal to a sound source at different positions (10–160 cm distance, ±150° azimuth). …”
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4153“…Peritendinous oedema was observed at day 7, but intratendinous lesions were visible only at day 21 as a focal hypo to anechoic area. At day 84, two tendons still presented visible lesions. …”
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4154por Ribeiro, Rejane G, Costa, Ana Paula A, Bragato, Nathália, Fonseca, Angela M, Duque, Juan CM, Prado, Tales D, Silva, Andrea CR, Borges, Naida C“…The gallbladder, rounded and filled with anechoic content was visualized in all coatis, to the right of the midline. …”
Publicado 2013
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4155por Li, Wei, Zhuang, Bo-wen, Wang, Zhu, Liao, Bing, Hong, Ling-yao, Xu, Ming, Lin, Xiao-na, Xie, Xiao-yan, Lu, Ming-de, Chen, Li-da, Wang, Wei“…Most PHNETs occurred in middle-aged patients, and the most common clinical manifestation was right upper quadrant palpable mass and abdominal pain. Multiple small anechoic intralesional cavities occurred frequently in PHNET. …”
Publicado 2016
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4156por Abe, Takahiro, Kato, Masayuki, Kohno, Shuzo, Hamatani, Sigeharu, Kawahara, Yosuke, Isshi, Kimio, Matsuda, Koji, Sumiyama, Kazuki“…Endoscopic ultrasonography using a miniature probe system (20 MHz) revealed a hypoechoic mass with multiple anechoic lesions (16-mm diameter) located in the mucosal layer. …”
Publicado 2016
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4157“…Ultrasonographically, distended urinary bladder with distal acoustic enhancement revealed obstructive urolithiasis with intact bladder while anechoic fluid in abdominal cavity indicates uroperitoneum. …”
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4158“…Acoustic analyses confirmed the expected changes in stimulus features that are thought to underlie radial and angular source movements under anechoic conditions and suggested a special role of monaural spectral changes under reverberant conditions. …”
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4159“…EUS was scheduled and it demonstrated an anechoic homogeneous lesion arising between muscularis mucosae layer (second layer) and submucosa layer (third layer) on the anterior wall of the antrum (size: 8.3 mm × 4.7 mm). …”
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4160por Cuevas-Rodríguez, María, Picinali, Lorenzo, González-Toledo, Daniel, Garre, Carlos, de la Rubia-Cuestas, Ernesto, Molina-Tanco, Luis, Reyes-Lecuona, Arcadio“…The 3DTI Toolkit renders the anechoic signal path by convolving sound sources with Head Related Impulse Responses (HRIRs), obtained by interpolating those extracted from a set that can be loaded from any file in a standard audio format. …”
Publicado 2019
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