نتایج جستجو برای: 30 gauge needle
تعداد نتایج: 599569 فیلتر نتایج به سال:
This study aimed to evaluate the diagnostic utility of Fine Needle Aspiration Cytology (FNAC) in evaluation neoplastic cutaneous nodular skin lesions and provide insights from a tertiary care institute. A total 150 patients with were included study, FNAC was performed using 23-gauge needle attached 10-ml syringe. The found that is valuable tool for lesions. It had sensitivity 88% specificity 10...
BACKGROUND AND STUDY AIMS A new 25-gauge (G) endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) device (EchoTip ProCore; Cook Medical, Bloomington, Indiana, USA) has been developed, which features a hollowed-out reverse bevel to trap core samples. However, data on the differences between the diagnostic yield of the 25G EchoTip ProCore and that of a 22G standard needle are limited. ...
OBJECTIVES/HYPOTHESIS There are numerous techniques for awake laryngeal injection, each with its limitations and technical challenges. We demonstrate a modification to the thyrohyoid approach for injection that stabilizes needle introduction and allows for consistent placement in a wide variety of larynges. STUDY DESIGN Retrospective review at a tertiary care institution. METHODS A retrospe...
This paper investigated the influence of needle gauge (19G and 27G), injection rate (0.85ml·min(-1), 3ml·min(-1)) and temperature (room temperature (RT) and body temperature (BT)) on the mean diameter, concentration, acoustic attenuation, contrast to tissue ratio (CTR) and normalised subharmonic intensity (NSI) of three ultrasound contrast agents (UCAs): Definity, SonoVue and MicroMarker (untar...
Piezoelectric vibrating needle and catheter for enhancing ultrasound-guided peripheral nerve blocks.
Ultrasound imaging has been used for performing single-injection peripheral nerve blocks and continuous catheters. One limitation with current technology is the inability to confirm the location of the needle or catheter tip. We describe a new needle and catheter design that permits distal tip visualization using color flow Doppler. An 18-gauge 100-mm insulated Tuohy needle and a 20-gauge 50-mm...
Solitary uniloculated pancreatic cysts pose a major diagnostic dilemma. Cystic fluid carcinoembryonic antigen (CEA) concentration and cytology have low sensitivity in distinguishing mucinous from non-mucinous cysts [1], leading to frequent misdiagnoses and unnecessary surgical interventions [2]. Recently evaluated molecular markers seem very accurate, but they are not widely available in clinic...
Common causes of hiccups are over-distension of the stomach, a sudden change in gastrointestinal temperature, excessive alcohol and tobacco ingestion, and sudden excitement or emotional changes. Common presenting symptoms of sarcoidosis include cough, dyspnea, and chest pain. It is very rare for a sarcoidosis patient to present with hiccups. A 48-year-old man presented with hiccups of 2 weeks' ...
Tissue arrays can evaluate molecular targets in high numbers of samples in parallel. Array construction presents technical difficulties and tissue arrayers are expensive, particularly for small and medium sized laboratories. This report describes a method for the construction of 36 sample arrays using widely available materials. A blunted 16 gauge needle for bone marrow aspiration was used to e...
Endoscopic ultrasound (EUS) enables a gastroenterologist to sample the masses of the middle and inferior mediastinum, which are adjacent to the esophagus; cystic or solid lesions of the pancreas, which are adjacent to the stomach and duodenum; and perirectal lesions. Needles used for EUS sampling include aspiration (19, 20, and 22 Gauge) or core biopsy needles (ProCore and Trucut) (19, 20, and ...
BACKGROUND Despite remarkable advances in technology and laboratory automation, results of laboratory testing still suffer from a high degree of preanalytical variability. Although there is no definitive evidence, the use of small-gauge needles for venipuncture is usually discouraged to reduce the chance of producing unsuitable specimens. METHODS The purpose of this investigation was to asses...
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