ライフサイエンスコーパス: chest CT

1 The system was evaluated by using 105 chest CT scans of patients admitted to the hospital with

2 At year 25, chest CT was performed to assess bronchiectasis and was

3 Of the 2633 chest CT scans that were evaluated, interstitial lung ab

4 We also reviewed 311 chest CT scans belonging to a control group of patients

5 examinations were chest radiography (n=431), chest CT (n=410), abdominal CT (n=214), and abdominal ul

6 A total of 3,446 chest CT examinations were performed, with 334 patients

7 than 200,000 adult members underwent 415,581 chest CT examinations.

8 k dataset of 49 clinical data types, 163,725 chest CT series, and 17 tasks involved in LCS, we develo

9 ion of CT technologists, following which 795 chest CT were reviewed.

10 We reviewed 826 chest CT to establish the baseline frequency.

11 three dimensions, based on a dataset of 9749 chest CT volumes.

12 ngth), a full pulmonary function test, and a chest CT scan which was used to analyze skeletal muscle

13 After four cycles of chemotherapy, a chest CT showed ongoing response (Fig 2D).

14 studies that included a recommendation for a chest CT imaging.

15 critical illness, and 64 of 141 (46%) had a chest CT a median (interquartile range) 66 days (42-82 d

16 queried for these patients to determine if a chest CT examination was obtained within 1 year of the i

17 es throughout the bilateral lung fields in a chest CT scan, and mixed ventilatory impairment in a spi

18 1 of 1057 [95% CI: 62.4%, 68.2%) underwent a chest CT examination within the year after the index che

19 Also, the patients with an abnormal chest CT scan comprised 37 (68.5%).

20 andemic several centers have routinely added chest CT to abdominal CT to detect possible COVID-19 in

21 The yield of adding chest CT to abdominal CT to detect COVID-19 in patients

22 All patients with COPD underwent additional chest CT.

23 ell-aerated lung (WAL) obtained at admission chest CT to determine prognosis in patients with COVID-1

24 4 focus per cell+/-0.04 in one patient after chest CT corresponded to a mean radiation dose of 6.3 mG

25 ung cancer were prospectively selected after chest CT.

26 were sampled at biopsy within 3 weeks after chest CT (January 1999 to September 2003) in 41 young pa

27 ients with laboratory-confirmed COVID-19 and chest CT imaging, admitted to four centers between Janua

28 nderwent standardized combined abdominal and chest CT between March 15, 2020 and April 30, 2020.

29 underwent a complete clinical assessment and chest CT scan, and were followed up from hospitalization

30 s, 43.1% had a single CXR, 42.0% had CXR and chest CT, 6.7% had CXR and abdominal CT (without chest C

31 Esophagography and chest CT showed polypoid, nonobstructing esophageal mass

32 pleural nodule seen on plain chest films and chest CT.

33 liant retrospective review of mammograms and chest CT scans from 206 women obtained within 1 year of

34 hest x-ray + head and neck MRI (CXR/MRI) and chest CT + head and neck MRI (CHCT/MRI) with (18)F-FDG P

35 All patients underwent RT-PCR and chest CT.

36 c carcinoma underwent whole-body FDG PET and chest CT.

37 underwent ultrasound by a pulmonologist and chest CT and in 11 of them also ultrasound by a radiolog

38 y ultrasound, portable chest radiograph, and chest CT performed within 24 hours of intubation.

39 Purpose To evaluate chest radiographic and chest CT findings of EVALI in the pediatric population.

40 Clinical records, laboratory results, and chest CT scans were retrospectively reviewed for nine pr

41 d is the best laboratory screening test, and chest CT has become the most widespread imaging test.

42 ified from results of pulmonary angiography, chest CT, lower extremity Doppler ultrasound and venogra

43 For annual chest CT screening of 50-year-old females with no follow

44 n high-risk individuals who underwent annual chest CT screening for 5 years and to evaluate the histo

45 during diagnostic x-ray procedures, such as chest CT, leads to a clear increase in the level of radi

46 ventilation, have residual abnormalities at chest CT 1 year after presentation.

47 e findings of COVID-19 typical appearance at chest CT.

48 o develop quantifiable imaging biomarkers at chest CT, such as for osteoporosis, chronic obstructive

49 companies are focused on nodule detection at chest CT and two-dimensional mammography.

50 tion of the Fleischner grade of emphysema at chest CT is associated with clinical measures of pulmona

51 BackgroundPattern of emphysema at chest CT, scored visually by using the Fleischner Societ

52 arcinomas manifesting as subsolid nodules at chest CT is accurately represented by an exponential mod

53 the malignancy risk of pulmonary nodules at chest CT is crucial for optimizing management in lung ca

54 arcinomas manifesting as subsolid nodules at chest CT was best represented by an exponential model co

55 Conclusion Airway lumen sizes quantified at chest CT were smaller in women than in men after account

56 ay wall thickening is commonly quantified at chest CT with Pi10, the square root of the wall area of

57 Baseline chest CT scans were analyzed to extract 429 radiomic fea

58 erstanding of temporal relationships between chest CT and labs may provide a reference for disease se

59 polymerase chain reaction (RT-PCR) test, but chest CT may play a complimentary role in the early dete

60 24 were screened by CT and RT-PCR and 869 by chest CT only.

61 Coronary calcium was assessed by chest CT.

62 duction when clinically stable) confirmed by chest CT and two or more chest infections in the precedi

63 h antenatal ultrasonography and confirmed by chest CT angiography in the first few months of life.

64 ng portable head CT scans (97%), followed by chest CT (88%), abdominal CT (78%), and pelvic CT (34%)

65 In many patients with lung cancer, chest CT that includes the neck base followed by US-guid

66 Twenty-five clinical chest CT studies were obtained with a standardized PE pr

67 COVID-19 at non-chest CT but not concurrent chest CT, and underwent COVID-19 testing in the ED.

68 he equations were applied to contemporaneous chest CT images obtained in patients with stage I lung c

69 ced CTPA superior over non-contrast_enhanced chest-CT in patients with suspected IPA.

70 posed method takes as input a non-contrasted chest CT and segments the lesions, lungs, and lobes in t

71 Conventional chest CT has not proven to be of significant value.

72 ference, the previous available conventional chest CT scan was used.

73 le thoracic vertebral BMD using conventional chest CT determined distinct BMD patterns from whole tho

74 examination and that met inclusion criteria, chest CT images were reviewed to determine if there was

75 tients with CF cystic fibrosis , a dedicated chest CT protocol can replace the two yearly follow-up c

76 formance of radiologist emergency department chest CT interpretation for diagnosing COVID-19 during t

77 dose savings to the breast during diagnostic chest CT.

78 otentially radically treatable on diagnostic chest CT (defined as stage IIIb or less).

79 sed 10 410 patients who underwent diagnostic chest CT for noncardiovascular indications.

80 Radiomics differentiated chest CT in outpatient versus inpatient with an AUC of 0

81 ll as to compare doses delivered in low dose chest CT with chest X-ray doses.

82 -19 infection were studied by using low-dose chest CT and real-time reverse transcription polymerase

83 COVID-19 patients were studied with low-dose chest CT at admission.

84 of image compression technology in low-dose chest CT can be recommended.

85 eural network trained with (a) 1181 low-dose chest CT examinations (baseline), (b) a small set of exa

86 Low-dose chest CT for the diagnosis of COVID-19.

87 lung involvement on submillisievert low-dose chest CT outperformed conventional visual analysis in pr

88 (TP) ratio being calculated; and a low-dose chest CT, with scans being scored for the degree of abno

89 rs reduced image noise on low-radiation-dose chest CT images, with some compromise in image sharpness

90 pare the performance of lower-radiation-dose chest CT with that of routine dose in the detection of i

91 udy, CT projection data from 83 routine-dose chest CT examinations performed in 83 patients (120 kV,

92 Each chest CT scan was evaluated using RSNA guidelines by 9 r

93 surgical patients for COVID-19 using either chest CT, RT-PCR or both, due to the risk for worsened s

94 teroposterior chest radiography and enhanced chest CT were also performed at admission (Figs 1-3).[Fi

95 teroposterior chest radiography and enhanced chest CT were also performed at admission.

96 ion criteria were contrast material-enhanced chest CT performed for vascular indications, patients wh

97 cs) were detected from 304 times of enhanced chest CT.

98 inal enlargement; for this purpose, enhanced chest CT scan was performed using a 64-rows scanner (Tos

99 collapse and air trapping at end-expiration chest CT.

100 ubjects underwent inspiratory and expiratory chest CT and spirometry at baseline and 5-year follow-up

101 (IRR, 0.78; 95% CI, .71-.86), and had fewer chest CT scans (IRR, 0.73; 95% CI, .60-.88).

102 e attention to normal D-dimer results, fewer chest CT scans and lung scans will be required, and impr

103 For chest CT examinations obtained within 1 year of the inde

104 For chest CT, there was 52.6% (9.1 vs 19.2 mGy) to 85.4% (2.

105 5914) and 0.05% (three of 5914, P < .01) for chest CT and 1.9% (219 of 11 291) and 0.1% (six of 11 29

106 idual yields were 0.7% (95% CI: 0.2-1.1) for chest CT and 1.1% (95% CI: 0.6-1.7) for RT-PCR; the incr

107 NR at 100 kVp of 8% (15.3/14.2; P = .41) for chest CT and 13% (7.8/6.8; P = .40) for abdominopelvic C

108 easured in the descending thoracic aorta for chest CT and in the liver for abdominal CT.

109 was fixed at 0 degrees and 180 degrees ; for chest CT, a spiral trajectory with TCM was used.

110 There was no significant difference for chest CT efficacy among the 26 geographically separate s

111 Sensitivity and specificity were highest for chest CT.

112 dose reduction of 46.4% (3.7 vs 6.9 mGy) for chest CT and 38.2% (5.0 vs 8.1 mGy) for abdominal CT (P

113 dulation provides acceptable image noise for chest CT, with an 18% and 26% reduction in tube current-

114 Acceptable image quality can be obtained for chest CT images acquired at 40 mAs by using ASIR without

115 of this paper is to present our protocol for chest CT imaging in the youngest age group, together wit

116 inations that contained a recommendation for chest CT examination, and increasing patient age (P < .0

117 increased likelihood of a recommendation for chest CT examination.

118 A radiologist recommendation for chest CT to evaluate an abnormal finding on an outpatien

119 ion, the average relative dose reduction for chest CT was 39% (2.7/4.4 mGy), with a maximum reduction

120 eduction greater for CT angiography than for chest CT (P < .001).

121 5% CI: 0.2%, 2.7%) were lower than those for chest CT (2.8%; 95% CI: 1.5%, 5.4%) and abdominal CT (2.

122 ation indications were cancer and trauma for chest CT and abdominal pain, trauma, and cancer for abdo

123 projection resulted in higher TCM values for chest CT (P < .001) owing to the higher attenuation (P <

124 -PCR)-confirmed COVID-19 in each of the four chest CT categories (typical, indeterminate, atypical, a

125 of post-bronchodilator FVC and TLC(CT) from chest CT (FVC/TLC(CT)) among current and former smokers

126 nding aorta diameter (ratio PA) derived from chest CT are commonly reported in clinical practice.

127 EV)) (myocardium and chamber) estimated from chest CT images in participants with COPD and then to de

128 MLN measurements were obtained from chest CT scans of patients with ILD at baseline evaluati

129 e (AI) could enable fSAD quantification from chest CT scans at total lung capacity (TLC) alone (fSAD(

130 % had multiple CXRs without CT, and 2.6% had chest CT alone in the emergency department.

131 Breath-hold chest CT detected an additional 125 parenchymal lung nod

132 chniques and central review are essential if chest CT is to be used for staging in cooperative studie

133 tocols in the early stage of implementation (chest CT, 58.9%; abdominal CT, 65.2%) was lower than in

134 ening centers that have staff experienced in chest CT.

135 eticular, and presence of nodule findings in chest CT scan of COVID-19 pneumonia patients were respec

136 n artifacts and expiratory phase scanning in chest CT was 35% (292/826).

137 n artifacts and expiratory phase scanning in chest CT.

138 n artifacts and expiratory phase scanning in chest CT.

139 Follow-up included chest CT in 16 patients and surgical resection in nine.

140 OVID-19 pneumonia who underwent both initial chest CT and at least one RT-PCR test within 48 hours we

141 lunt trauma and found to have PNM on initial chest CT scanning.

142 ostbronchodilator spirometry and inspiratory chest CT to quantify percent emphysema.

143 al intelligence (AI) algorithms to integrate chest CT findings with clinical symptoms, exposure histo

144 ss-sectional analysis examining interstitial chest CT findings in PWH (n = 754) and uninfected contro

145 ggest that fetal irradiation during maternal chest CT can be reduced substantially with barium shield

146 ically suspected CAP underwent multidetector chest CT scan within 4 hours.

147 Multiphase chest CT examinations performed at 20% of sites (11 of 5

148 rus 2 at nasal-pharyngeal swabbing, negative chest CT findings, and incomplete clinical data were exc

149 In group 1, non-chest CT findings provided the initial evidence of COVID

150 ymal findings suspicious for COVID-19 at non-chest CT but not concurrent chest CT, and underwent COVI

151 ered as the pandemic unfolds, leading to non-chest CT scans that may uncover unsuspected pulmonary di

152 ry nonrespiratory symptoms who underwent non-chest CT, CT provided evidence of coronavirus disease 20

153 ely interpreted and quantified on noncardiac chest CT scans with similar prognostic value.

154 Radiomics from noncontrast chest CT were superior to radiologists' assessment of ex

155 COVID-19 pneumonia who underwent noncontrast chest CT.

156 ients had nongated (contrast or noncontrast) chest CT imaging performed within 1 year before surgery.

157 ncluded patients who underwent a nonenhanced chest CT examination because of clinical suspicion of CO

158 gated CT imaging, but will have had nongated chest CT studies performed for a variety of noncardiac i

159 bles opportunistic CAC screening of nongated chest CT scans.

160 imuli were 80 single sections from 13 normal chest CT studies.

161 18 months after surgery, he had a normal chest CT scan and ventilation-perfusion scan and had gro

162 deviation]) follow-up, 7.1% (575 of 8057) of chest CT patients and 3.9% (546 of 13 888) of abdominal

163 ncremental yield of standardized addition of chest CT to abdominal CT to detect COVID-19 in patients

164 On the basis of chest CT findings, bronchoscopy with bronchoalveolar lav

165 On the basis of chest CT findings, the patient was transferred from an o

166 ve yield of screening using a combination of chest CT and RT-PCR was 1.5% [95% confidence interval (C

167 The annual frequency of chest CT imaging increased from 1.3 to 1.9% for all adul

168 The variability in interpretation of chest CT scans in patients with Wilms' tumor limits the

169 ng cancer who underwent at least one pair of chest CT examinations 25 or more days apart before treat

170 is of patient characteristics, percentage of chest CT scans obtained at follow-up, years of experienc

171 data regarding the diagnostic performance of chest CT for COVID-19 pneumonia.

172 duction surgery suggests that performance of chest CT in candidates for lung volume reduction surgery

173 Background The role and performance of chest CT in the diagnosis of the coronavirus disease 201

174 The annual rate of chest CT increased from 15.4 to 20.7 per 1,000 person-ye

175 We calculated rates of chest CT imaging, nodule identification, and receipt of

176 nkage detection from elastic registration of chest CT scans in patients with systemic sclerosis (SSc)

177 Reports of chest CT performed during 6 months were reviewed to find

178 ence using chest CT for COVID-19, results of chest CT and reverse transcription polymerase chain reac

179 Although the role of chest CT for diagnosing coronavirus disease 2019 (COVID-

180 , determined from Monte Carlo simulations of chest CT by using single-section scanners and previous t

181 9+ patients has accuracy approaching that of chest CT.

182 Background The use of chest CT for coronavirus disease 2019 (COVID-19) diagnos

183 Conclusion Use of chest CT for the initial diagnosis and triage of patient

184 cessibility and less invasive nature, use of chest CT scan is more rational and is recommended in the

185 This implies that with use of chest CT there are a large number of false-positive resu

186 tive value, and positive predictive value of chest CT in the diagnosis of COVID-19 were 2319 of 2564

187 The added value of chest CT was limited.

188 Purpose To investigate the value of chest CT with CO-RADS classification to screen for asymp

189 exists between positive predictive values of chest CT versus those of reverse transcriptase polymeras

190 .6-1.7) for RT-PCR; the incremental yield of chest CT was 0.4%.

191 kelihood and extent of pulmonary COVID-19 on chest CT scans using the COVID-19 Reporting and Data Sys

192 lymphocytopenia and an extent of GGO >50% on chest CT were independent risk factors for nonpositive Q

193 prevalence of alternative diagnoses based on chest CT in patients without COVID-19 infection was 17.6

194 Based on chest CT, the median maximum PII of lungs was 30.0% (ran

195 gh COVID-19 suspicion (CO-RADS 4-5) based on chest CT.

196 e awareness of this potential "black box" on chest CT.

197 acities along the bronchovascular bundles on chest CT scan.

198 Body composition on chest CT scans encompasses a set of important imaging bi

199 apulmonary findings are commonly detected on chest CT scans and can be clinically important.

200 Right ventricular (RV) enlargement on chest CT has previously been shown to correlate with an

201 imed to determine whether MLN enlargement on chest CT predicts clinical outcomes and circulating cyto

202 les are common, often incidental findings on chest CT scans.

203 antitative burden of consolidation or GGO on chest CT independently predict clinical deterioration or

204 Lung involvement on chest CT could be used as a reliable metric in future cl

205 or rates for detecting small lung nodules on chest CT scans remain high at 50%, despite advances in i

206 aic air trapping or centrilobular nodules on chest CT.

207 ricardial calcification has been observed on chest CT scans in patients with cystic fibrosis (CF), it

208 Opacity patterns on chest CT scans in COVID-19 are different based on sex an

209 corresponding abnormalities were present on chest CT images in 41.4% (286 of 691 [95% CI: 37.7%, 45.

210 dicated extrapulmonary structures at risk on chest CT scans and predicted ACM with explanations.

211 hancement within the pancreatic tail seen on chest CT images.

212 4.8 million Americans underwent at least one chest CT scan and 1.57 million had a nodule identified,

213 d be undergoing chest-abdominal-pelvic CT or chest CT only were recruited.

214 COVID-19+ patients with at least one CXR or chest CT were compared with 254 age- and gender-matched

215 chest x-ray (CXR) plus head and neck MRI or chest CT (CCT) plus head and neck MRI.

216 st x-ray plus head and neck MRI (CXR/MRI) or chest CT plus head and neck MRI (CCT/MRI).

217 In 10 patients, chest CT images were obtained at full inspiration and ex

218 itial human experience with dose-reduced PCD chest CT demonstrated lower image noise compared with co

219 ide the design and optimization of pediatric chest CT protocols.

220 Given the high number of performed chest CT examinations, this contributes to a significant

221 Respiratory motion and expiratory phase chest CT with the second intervention decreased (8%, 20/

222 se length product compared with single-phase chest CT examinations performed in 80% of sites (43 of 5

223 As part of clinical practice, chest CT scans were obtained for primary work-up and sco

224 Preoperative chest CT was performed in 148 patients (84 men, 64 women

225 llow up (6 [50%]) had resolution of previous chest CT findings and normal spirometry.

226 Background Prior chest CT provides valuable temporal information (eg, cha

227 nge, respiratory mechanics, and quantitative chest CT scans were measured.

228 tional small airways disease on quantitative chest CT.

229 r vascular indications, patients who refused chest CT or hospitalization, and severe CT motion artifa

230 NA consensus guidelines for COVID-19-related chest CT are widely used but, to the knowledge of the au

231 l pneumonia to be present on high-resolution chest CT (HRCT) or surgical lung biopsy.

232 High-resolution chest CT demonstrated bilateral, diffuse, interstitial i

233 High-resolution chest CT revealed small centrilobular nodules in the rig

234 A routine chest CT was performed to assess the severity of pneumon

235 Although routine chest CT findings increased stage of disease in some pat

236 lementation of radiomics in clinical routine chest CT scans.

237 ectors (Art Phantom Canberra) during routine chest CT examinations (64 MDCT TK LIGHT SPEED GE Medical

238 lyze the actual dose distribution in routine chest CT examination protocols using an antropomorphic p

239 DCT) of the chest in comparison with routine chest CT examinations as well as to compare doses delive

240 25 men, 28 women) underwent 16-detector row chest CT with z-axis modulation and noise indexes of 10.

241 ventricular enlargement on multidetector-row chest CT in acute pulmonary embolism (PE).

242 with acute PE confirmed by multidetector-row chest CT.

243 a 5th-year radiology resident using the RSNA chest CT classification system for reporting COVID-19 pn

244 The RSNA chest CT classification system for reporting COVID-19 pn

245 e segmented by 2 readers on non-thin section chest CT with a lung nodule analysis software followed b

246 urate pattern classification at thin-section chest CT is a key step in multidisciplinary discussions,

247 After lung segmentation, chest CT scans from center 1 (training cohort, 162 patie

248 alitatively compared on admission and serial chest CT scans were semi-quantitively evaluated between

249 Moreover, serial chest CT imaging with different time intervals is also e

250 We evaluated several chest CT findings that may have predictive value.

251 econstructed from contrast-enhanced spectral chest CT.

252 uracy of endobronchial ultrasound and spiral chest CT scan in the prediction of infiltrating and non-

253 eparate cohort of 29 LVRS candidates, spiral chest CT studies were performed both without and with sp

254 d same-day repeat routine inspiratory spiral chest CT studies were performed in 29 LVRS candidates (g

255 T, 65.2%) was lower than in the later stage (chest CT, 88%; abdominal CT, 82%) (P < .001).

256 romatic dual-energy images and with standard chest CT images that were used as controls.

257 Clinical data and structured chest CT reports, including semiquantitative diagnostic

258 Low-dose submillisievert chest CT allows for rapid, accurate, and reproducible as

259 mpared with RT-PCR, low-dose submillisievert chest CT demonstrated excellent sensitivity, specificity

260 reduced reference tube current at subsequent chest CT.

261 ensity increase beyond typical on subsequent chest CT scans were associated with all-cause mortality

262 Subsequently, chest CT scanning was performed as part of routine 6-mon

263 tients with RT-PCR-confirmed COVID-19 in the chest CT categories typical, indeterminate, atypical, an

264 s based on the analysis of all slices of the chest CT scan.

265 The most common abnormal findings on the chest CT scan were pulmonary nodules (n = 14), followed

266 hown to 245 adult patients just before their chest CT.

267 The number of patients assigned to chest CT categories typical, indeterminate, atypical, an

268 Chest computed tomography (chest CT) is usually used.

269 accination were associated with less typical chest CT manifestations of COVID-19 and lesser extent of

270 iagnosis of isolated PEX referred to undergo chest CT and stress echocardiography to evaluate surgica

271 ing history might well be advised to undergo chest CT scanning in an aggressive search for occult lun

272 ggested that one out of 250 women undergoing chest CT will show a malignant incidental breast lesion.

273 ts with COVID-19 infection who had undergone chest CT were enrolled in this retrospective study.

274 tched patients without TSC who had undergone chest CT were evaluated.

275 igarette smoking and must not have undergone chest CT during the previous 3 years.

276 for pneumonia, 702 patients (95%) underwent chest CT.

277 d, 3327 patients with blunt trauma underwent chest CT.

278 e range, 3 months to 19 years) who underwent chest CT during a 20-month period were evaluated for che

279 median 40.5 years, SD 14.02), who underwent chest CT examination by means of a 16-slice scanner.

280 All patients who underwent chest CT for the trauma screening and whose race was cat

281 February 17 and March 10, 2020 who underwent chest CT were retrospectively analyzed.

282 monary involvement of COVID-19 at unenhanced chest CT that performs very well in predicting COVID-19

283 monary involvement of COVID-19 on unenhanced chest CT images and to report its initial interobserver

284 one, receiving SDCT-examinations (unenhanced-chest CT [TNC], CT-angiography of chest and abdomen [CTA

285 icial femoral and popliteal veins; follow-up chest CT angiogram shows no evidence of pulmonary emboli

286 ive patients who were referred for follow-up chest CT angiography underwent reduced-dose CT (hereafte

287 20 and February 2021 who underwent follow-up chest CT imaging.

288 of nivolumab treatment, the first follow-up chest CT scan was performed and showed new findings in t

289 ts with CF referred for unenhanced follow-up chest CT were evaluated in two different centers between

290 ons suspected to be caused by COVID-19 using chest CT may be of assistance when results from definiti

291 ctly identified patients with COVID-19 using chest CT scans and assigned standardized CO-RADS and CT

292 Malformation indexes were evaluated using chest CT.

293 valuate the French national experience using chest CT for COVID-19, results of chest CT and reverse t

294 s who underwent preoperative screening using chest CT and RT-PCR before elective or emergency surgery

295 91 years; mean, 64 years) were examined with chest CT (multi-detector row scanner, four detector rows

296 .85 mGy with whole-body CT and 5.16 mGy with chest CT.

297 rasound showing deep vein thrombosis or with chest CT showing pulmonary embolism.

298 protocol and portable chest radiograph with chest CT for localization of pathology to the correct lu

299 radiation dose levels that can be used with chest CT in order to detect indeterminate pulmonary nodu

300 t CT, 6.7% had CXR and abdominal CT (without chest CT), 5.5% had multiple CXRs without CT, and 2.6% h