(1) With the administration of approximately 37 MBq (26-44 MBq) 201Tl, 5 min acquisition time was possible for SPET imaging, which provided good image quality in all patients.
(2) The cerebral perfusion as visualized from SPET was compared to cerebral angiographies, which showed unilateral filling of intracranial vessels in seven patients.
(3) For planar scanning and SPET without scatter correction there was an overestimate of activity in the source of 290% and 40% respectively.
(4) Single photon emission tomography (SPET) of the calves was also performed in five controls and five patients with PVD.
(5) This technique is easy to apply as an adjunct to SPET and may be helpful in the quantitative evaluation of brain perfusion in routine clinical studies.
(6) The SPET studies with 123I-Iomazenil were carried out 5 min and 2 h after injection.
(7) In 4 out of 6 patients with electroencephalogram (EEG) abnormalities on admittance, SPET revealed at least 2 focal lesions.
(8) Thus, SPET assessment of 99mTc-MIBI uptake tends to underestimate the perfusion contrast between areas with normal and areas with low coronary vasodilatory reserve when compared to PET.
(9) A series of 30 consecutive exercise and redistribution 201Tl SPET studies were centered and reoriented by two operators twice with this method, and twice manually.
(10) In an attempt to improve detection of macroscopically invisible tumour spread, intraoperative scintimetry (IOSM) with a hand-held gamma-probe was performed in addition to SPET 24-30 and 41-48 h after injection of the technetium-99m carcinoembryonic antigen (CEA MoA) on 12 patients with colorectal carcinoma and 3 patients with different neoplastic and inflammatory diseases.
(11) It may be a useful agent for assessment of myocardial viability by single photon emission tomography (SPET) imaging.
(12) The three techniques allowing the noninvasive study of cardiac metabolism, namely magnetic resonance spectroscopy (MRS), positron emission tomography (PET) and single photon emission computed tomography (SPET), all use external detection with stable or radioactive isotopes.
(13) It is hoped that once the scientific basis of a physiopathological study is established using PET, diagnostic information might be provided by the more readily available SPET technology.
(14) Two SPET studies (early and late) were carried out within 45 min after intravenous administration of 200 MBq 123I-IPPA at peak sub-maximal exercise.
(15) The patients were injected with approximately 925 MBq (25 mCi) of 99mTc-LL2 Fab' (1 mg), and planar and single photon emission tomography (SPET) studies were performed at 3-4 h post injection and at 24 h. There was no evidence of thyroid or stomach activity up to 24 h. Uniform splenic uptake was seen in all patients.
(16) SPET improvement demonstrated myocardial salvage earlier than wall motion studies.
(17) Sensitivity of CT compared with SPET became increasingly better in patients with older infarcts (1-18 days).
(18) A metabolic marker for SPET studies is still missing.
(19) Ten patients had focal flow abnormalities with 99mTc-HMPAO SPET.
(20) The activity and the volume of the spheres were calculated from the SPET images and compared with known activities.
Spot
Definition:
(n.) A mark on a substance or body made by foreign matter; a blot; a place discolored.
(n.) A stain on character or reputation; something that soils purity; disgrace; reproach; fault; blemish.
(n.) A small part of a different color from the main part, or from the ground upon which it is; as, the spots of a leopard; the spots on a playing card.
(n.) A small extent of space; a place; any particular place.
(n.) A variety of the common domestic pigeon, so called from a spot on its head just above its beak.
(n.) A sciaenoid food fish (Liostomus xanthurus) of the Atlantic coast of the United States. It has a black spot behind the shoulders and fifteen oblique dark bars on the sides. Called also goody, Lafayette, masooka, and old wife.
(n.) The southern redfish, or red horse, which has a spot on each side at the base of the tail. See Redfish.
(n.) Commodities, as merchandise and cotton, sold for immediate delivery.
(v. t.) To make visible marks upon with some foreign matter; to discolor in or with spots; to stain; to cover with spots or figures; as, to spot a garnment; to spot paper.
(v. t.) To mark or note so as to insure recognition; to recognize; to detect; as, to spot a criminal.
(v. t.) To stain; to blemish; to taint; to disgrace; to tarnish, as reputation; to asperse.
(v. i.) To become stained with spots.
Example Sentences:
(1) O'Connell first spotted 14-year-old David Rudisha in 2004, running the 200m sprint at a provincial schools race.
(2) These lanes encourage cyclists to 'ride in the gutter' which in itself is a very dangerous riding position – especially on busy congested roads as it places the cyclist right in a motorist's blind spot.
(3) The effect of the mutation for white belly spot controlled by the dominant gene W on spermatogenesis in mice was examined by experimental cryptorchidism and its surgical reversal.
(4) Moments later, explosive charges blasted free two tungsten blocks, to shift the balance of the probe so it could fly itself to a prearranged landing spot .
(5) Our findings: (1) both forms, LC1 and LC3, migrate in the two species with rather similar electrophoretic constants (both in terms of pI and Mr); (2) the LC2 forms of rabbit and humans exhibit the same Mr but quite different pI values, the rabbit forms being more acidic; (3) the chain LC2Sb is resolved into two spots in both rabbit and humans.
(6) You just have to be the first person to spot a coach.
(7) The overall effect achieved with LTS was less than that with LTP, but it is possible to reduce IOP by selecting more reasonable parameters, e.g., a laser setting of 200mW, a 50 microns spot size and a 0.5 to 1-sec duration.
(8) The average repetitive yields and initial coupling of proteins spotted or blotted into PVDF membranes ranged between 84-98% and 30-108% respectively, and were comparable with the yields measured for proteins spotted onto Polybrene-coated glass fiber discs.
(9) In north-west Copenhagen, among the quiet, graffiti-tagged streets of red-brick blocks and low-rise social housing bordering the multi-ethnic Nørrebro district, police continued to cordon off roads and search a flat near the spot where officers killed a man believed to be behind Denmark’s bloodiest attacks in over a decade.
(10) Detection limits were then calculated for the different sizes of cold spots.
(11) These complications were believed to be caused by the use of a small spot size with high energy.
(12) In the brownish skin and in the black spots of the dorsal region all types of chromatophores are found.
(13) I can always spot something for my sisters Gretchen and Amy.
(14) Debeaking had no effect on the incidence of blood-spotting in the eggs.
(15) Six abnormal colonoscopic appearances were documented, namely mucosal edema, ulcers, friability, punctate spots, erythematous areas and luminal exudate.
(16) The town's Castle Hill is the perfect climb for travellers with energy to burn off: at the top is a picnic spot with far-reaching views, and there is a small children's play area at its foot.
(17) This appears to be a newly described entity, although it resembles a Becker's nevus without hypertrichosis or an typical café au lait spot.
(18) A £100,000 bronze statue of an ordinary family, the Joneses, will be unveiled in a prime spot outside the city’s library which opened last year.
(19) When delta phi was enlarged, first saccades were either directed near the green or the red spot (bistable response mode).
(20) Join us for a spot of future gazing as we discuss: The challenges and opportunities colleges and training providers will face over the next five years International expansion The role of FE in higher education New ways to diversify New technology – the possibilities and risks.