Abstract:
PURPOSE:The authors' goal was to determine whether the prevalence of pulmonary embolism in patients with matching ventilation-perfusion (V-Q) defects and chest radiographic opacities differs depending on the degree of perfusion deficit (absent versus decreased). METHODS:The authors performed a retrospective analysis of the data obtained from the Prospective Investigation of Pulmonary Embolism Diagnosis (PIOPED) study. In 233 patients, angiograms were of diagnostic quality for 275 lung zones that showed matching V-Q defects and chest radiographic opacities (triple matches). Of these, V-Q scans and chest radiographs from 217 patients with triple matches in 255 lung zones were retrieved and reviewed. Areas corresponding to chest radiographic opacities were scored as having either decreased perfusion or absent perfusion by consensus. Information regarding the presence or absence of pulmonary embolism in corresponding lung zones was obtained from the PIOPED database. RESULTS:The overall prevalence of pulmonary embolism in all lung zones with triple matches was 27% (69 of 255). Of the 255 areas of triple matches, the perfusion was decreased in 153 (60%) and absent in 102 (40%). The prevalence of pulmonary embolism in areas of triple matches with decreased perfusion and triple matches with absent perfusion was 13% (20 of 153) and 48% (49 of 102), respectively (P = 0.0001 by the chi-square test). When these were divided further by lung zones, triple matches with decreased perfusion and triple matches with absent perfusion in the upper-middle lung zone were associated with a prevalence of 0% (O of 44), and 25% (9 of 36), respectively. The prevalence of pulmonary embolism in areas of triple matches with decreased perfusion and triple matches with absent perfusion in the lower lung zone was 18% (20 of 109), and 61% (40 of 66), respectively. CONCLUSIONS:A V-Q/chest radiographic match is less likely to represent pulmonary embolism if perfusion is decreased rather than absent. The overall prevalence of pulmonary embolism associated with all triple matches in all lung zones varied from very low (0% in this series) to upper intermediate (61 %), depending on whether perfusion was decreased or absent and also on the location of the triple match.
journal_name
Clin Nucl Medjournal_title
Clinical nuclear medicineauthors
Kim CK,Worsley DF,Alavi Adoi
10.1097/00003072-200009000-00002keywords:
subject
Has Abstractpub_date
2000-09-01 00:00:00pages
665-9issue
9eissn
0363-9762issn
1536-0229journal_volume
25pub_type
杂志文章abstract::A 32-year-old woman with a history of Graves' disease had an episode of thyrotoxicosis 2.5 months after her first childbirth. Because of low thyroidal uptake of Tc-99m pertechnetate, a diagnosis of postpartum painless thyroiditis was made and the patient was observed without medication. After the normalization of seru...
journal_title:Clinical nuclear medicine
pub_type: 杂志文章
doi:10.1097/00003072-199606000-00005
更新日期:1996-06-01 00:00:00
abstract:PURPOSE:Metabolic changes occur in the right ventricle (RV) under increased afterload in pulmonary arterial hypertension. FDG PET imaging has potential to assess RV function. In this study, we aimed to determine the prognostic value of metabolic changes of RV using FDG PET imaging in idiopathic pulmonary arterial hyper...
journal_title:Clinical nuclear medicine
pub_type: 杂志文章
doi:10.1097/RLU.0000000000000956
更新日期:2015-11-01 00:00:00
abstract:BACKGROUND:Mammographic screening has led to the identification of more women with nonpalpable breast cancer, many of them to be treated with breast-preserving surgery. To accomplish radical tumor excision, adequate localization techniques such as radioactive seed localization (RSL) are required. For RSL, a radioactive...
journal_title:Clinical nuclear medicine
pub_type: 杂志文章
doi:10.1097/RLU.0000000000001081
更新日期:2016-05-01 00:00:00
abstract::A 19-year-old male military recruit presented with 3 weeks of persistent left hip and groin pain after abnormally twisting his hip during a hike. Initial radiographs were interpreted as negative. He subsequently underwent a bone scan which revealed linear left sacral uptake along or paralleling the sacroiliac joint. D...
journal_title:Clinical nuclear medicine
pub_type: 杂志文章
doi:10.1097/RLU.0000000000001666
更新日期:2017-06-01 00:00:00
abstract::An unusual posterior extension of the right lobe of the liver mimicked a retroperitoneal mass on CT scanning. Tc-99m SC SPECT imaging documented normal liver uptake within the suspected mass, proving that it was an anomalous extension of the right lobe of the liver rather than a pathologic lesion. This unusual liver v...
journal_title:Clinical nuclear medicine
pub_type: 杂志文章
doi:10.1097/00003072-199008000-00008
更新日期:1990-08-01 00:00:00
abstract::Metastasis of colorectal adenocarcinoma to the larynx is a very rare condition. Here, we report a 72-year-old woman with a history of rectal adenocarcinoma. She was referred for whole-body FDG PET/CT scanning because of an elevating serum level of carcinoembryonic antigen. PET images showed focally increased FDG accum...
journal_title:Clinical nuclear medicine
pub_type: 杂志文章
doi:10.1097/RLU.0b013e3182443b98
更新日期:2012-07-01 00:00:00
abstract::A 61-year-old woman diagnosed with a metastatic well-differentiated neuroendocrine tumor of the cecum was referred for radioisotope therapy. Although her metastatic neuroendocrine tumor was positive on both (123)I-MIBG and (111)In-octreotide, there was a left parotid mass that was octreotide avid but MIBG negative. Fu...
journal_title:Clinical nuclear medicine
pub_type: 杂志文章
doi:10.1097/RLU.0000000000000716
更新日期:2015-08-01 00:00:00
abstract::A case of right ventricular aneurysm due to coronary artery disease in a 69-year-old male with no prior history of surgery or chest trauma is reported. The presence of the aneurysm was diagnosed by gated radionuclide angiography and confirmed by contrast angiography. This is the first description of an isolated right ...
journal_title:Clinical nuclear medicine
pub_type: 杂志文章
doi:10.1097/00003072-198702000-00003
更新日期:1987-02-01 00:00:00
abstract::Bone scintigraphy is very sensitive in detecting metastases in an early stage, when changes in osteoblast function precede morphologic changes. In many oncologic situations, however, osteoarticular abnormal changes seen on the bone scan are not caused by tumor infiltration. They may be due to tumor associated conditio...
journal_title:Clinical nuclear medicine
pub_type: 杂志文章,评审
doi:10.1097/00003072-199310000-00001
更新日期:1993-10-01 00:00:00
abstract::Psoriasis is a chronic inflammatory skin condition characterized by well-circumscribed erythematous plaques with thick silvery scale. Infiltration of inflammatory cells such as lymphocytes, neutrophils, and macrophages and epidermal cell proliferation within psoriatic lesions may result in selective FDG accumulation. ...
journal_title:Clinical nuclear medicine
pub_type: 杂志文章
doi:10.1097/RLU.0000000000000851
更新日期:2015-09-01 00:00:00
abstract::The goal of bleeding scintigraphy is to localize the site of origin of a hemorrhage to within general regions of the large or small bowel. Activity is typically seen to extravasate from the blood pool into the lumen, and the collection of activity then moves on sequential images, as a result of the cathartic action of...
journal_title:Clinical nuclear medicine
pub_type: 杂志文章
doi:10.1097/00003072-200201000-00006
更新日期:2002-01-01 00:00:00
abstract::Echocardiography, gated scintigraphy and contrast angiography were used to measure left ventricular ejection fractions in 20 patients with varying degrees of aortic insufficiency. There was good correlation between the radionuclide and the angiographic ejection fractions. Echocardiographic ejection fraction correlated...
journal_title:Clinical nuclear medicine
pub_type: 杂志文章
doi:10.1097/00003072-197907000-00004
更新日期:1979-07-01 00:00:00
abstract::A 21-year-old woman was admitted to our hospital after incidental detection of a left renal lesion on ultrasound scan. Abdominal contrast-enhanced CT scan revealed a moderately enhanced lesion in the left kidney and a round mass with slight enhancement in the retroperitoneum. FDG PET/CT imaging was performed for whole...
journal_title:Clinical nuclear medicine
pub_type: 杂志文章
doi:10.1097/RLU.0b013e31825b2218
更新日期:2013-02-01 00:00:00
abstract::Acute suppurative thyroiditis is an uncommon condition. Most patients have preexisting oropharyngeal fistulae. Penetrating oropharyngeal injuries resulting from swallowed foreign bodies provide an acquired channel of infection spreading into the relatively resistant thyroid gland. The authors describe a patient with i...
journal_title:Clinical nuclear medicine
pub_type: 杂志文章
doi:10.1097/00003072-200004000-00001
更新日期:2000-04-01 00:00:00
abstract::A 59-year-old man with a pacemaker who was admitted for evaluation of fever was found to have a redundant loop of the ventricular lead and a vegetation attached to it. An FDG PET/CT revealed a focus of FDG uptake at the ventricular lead loop. Surgical extraction of the pacemaker device confirmed a Propionibacterium ac...
journal_title:Clinical nuclear medicine
pub_type: 杂志文章
doi:10.1097/RLU.0000000000002686
更新日期:2020-01-01 00:00:00
abstract:PURPOSE:Residual liver uptake at 15 minutes (RLU15), a new index for predicting residual liver function after excision of hepatocellular carcinoma, was evaluated using dynamic liver images and SPECT by Tc-99m DTPA galactosyl human serum albumin. MATERIALS AND METHODS:In 13 cases of hepatectomy, RLU15 was compared with...
journal_title:Clinical nuclear medicine
pub_type: 杂志文章
doi:10.1097/00003072-199906000-00011
更新日期:1999-06-01 00:00:00
abstract::An intrasplenic pancreatic pseudocyst may mimic a subcapsular splenic hematoma. Misdiagnosis of this entity may have serious consequences. Particular care should be taken when a patient presents with a cystic mass in the region of the spleen and a history of chronic alcohol abuse, regardless of the presence or absence...
journal_title:Clinical nuclear medicine
pub_type: 杂志文章
doi:10.1097/00003072-198406000-00009
更新日期:1984-06-01 00:00:00
abstract::A 52-year-old man with metastatic poorly differentiated bronchogenic carcinoma and serum calcium levels as high as 14.6 had intense Tc-99m MDP uptake found throughout the stomach wall on SPECT imaging. FDG uptake assessed by PET imaging was not elevated in the stomach, whereas multiple hyper-metabolic tumor foci could...
journal_title:Clinical nuclear medicine
pub_type: 杂志文章
doi:10.1097/00003072-199509000-00002
更新日期:1995-09-01 00:00:00
abstract::We presented a promising result of radionuclide therapy using Lu-PSMA and Lu-DOTATATE in a patient with prostatic adenocarcinoma and neuroendocrine differentiation. Functional imaging of somatostatin receptors in patients with metastatic castration-resistant prostate cancer may pave the way toward implementation of no...
journal_title:Clinical nuclear medicine
pub_type: 杂志文章
doi:10.1097/RLU.0000000000002824
更新日期:2019-12-01 00:00:00
abstract::Gallium-67 citrate imaging for the staging of lymphomas was performed in three patients receiving Corynebacterium parvum (C. parvum) immunotherapy. Unexpected uptake at the site of C. parvum injections was identified and although the mechanism of localization is not determined by this study, similarities between C. pa...
journal_title:Clinical nuclear medicine
pub_type: 杂志文章
doi:10.1097/00003072-197809000-00009
更新日期:1978-09-01 00:00:00
abstract::Chylous reflux is described as the backflow of chyle through the varicose lymphatics with incompetent lymph valves and leakage of the lymph. The valves in the dilated, varicose, tortuous lymph vessels become incompetent, and as a result, the lymph blended with chyle, reflux into the lower limbs or the genitalia. Reflu...
journal_title:Clinical nuclear medicine
pub_type: 杂志文章
doi:10.1097/RLU.0000000000000418
更新日期:2014-05-01 00:00:00
abstract::A 50-year-old man with recently diagnosed prostate cancer was referred for Ga-prostate-specific membrane antigen (PSMA) PET/CT with elevated prostate-specific antigen. PET/CT demonstrated increased PSMA uptake in an undisplaced transverse fracture of the L1 vertebral body. This case illustrates that PSMA uptake can oc...
journal_title:Clinical nuclear medicine
pub_type: 杂志文章
doi:10.1097/RLU.0000000000001599
更新日期:2017-06-01 00:00:00
abstract::Focal nodular fat sparing of the liver may show, on PET/CT imaging, prominent tracer uptake over a background of less metabolic features of steatosis. This finding, already reported with F-FDG, may mimic primary or secondary neoplasms of the liver. The authors present an additional case of nodular fat-sparing hepatic ...
journal_title:Clinical nuclear medicine
pub_type: 杂志文章
doi:10.1097/RLU.0000000000002898
更新日期:2020-03-01 00:00:00
abstract::A case of a large plasma-cell granuloma of the left upper lobe in a 5-year-old girl is presented. Uptake of Tc-99m MDP by the soft tissue mass was demonstrated with bone imaging. Plasma cell granuloma should be included in the gamut of extraosseous uptake of bone-seeking radionuclide in the pediatric chest. ...
journal_title:Clinical nuclear medicine
pub_type: 杂志文章
doi:10.1097/00003072-198607000-00022
更新日期:1986-07-01 00:00:00
abstract::Single-photon emission computed tomography has been proven to detect more abnormalities than planar bone scintigraphy in patients with low back pain (LBP). Both 180 degrees and 360 degrees acquisitions were performed in 24 patients with LBP to determine whether the shorter 180 degrees posterior SPECT is as accurate fo...
journal_title:Clinical nuclear medicine
pub_type: 杂志文章
doi:10.1097/00003072-199306000-00004
更新日期:1993-06-01 00:00:00
abstract:PURPOSE:Dynamic PET studies with a ⁶⁸Ga-Bombesin analog, the ⁶⁸Ga-BZH₃, were performed in patients with highly suspected recurrent gliomas to investigate the effect of the receptor scintigraphy on tumor grading. Furthermore, dynamic F-18 Fluorodeoxyglucose (FDG) studies were performed for comparison. METHODS:The study...
journal_title:Clinical nuclear medicine
pub_type: 杂志文章
doi:10.1097/RLU.0b013e318203bb24
更新日期:2011-02-01 00:00:00
abstract::Leaders of private practice groups face many challenges. Establishing proper governance, having a good mission statement and business plan, having good participation by the members in administrative practice activities, and establishing proper channels of communication are some important steps. Once that is done, effi...
journal_title:Clinical nuclear medicine
pub_type: 杂志文章
doi:10.1097/RLU.0b013e318223f3cc
更新日期:2011-09-01 00:00:00
abstract:: A 50-year-old-man with abdominal pain, who had undergone aortic aneurysm reconstructive surgery (aortic graft) 3 years before, was admitted to the hospital. A CT scan showed findings suggestive of perigraft infection. Scintigraphy with 99mTc-hexamethylpropylene amine oxime (HMPAO)-labeled leukocytes confirmed the dia...
journal_title:Clinical nuclear medicine
pub_type: 杂志文章
doi:10.1097/RLU.0b013e3182639bd9
更新日期:2012-11-01 00:00:00
abstract::F-FDG PET is a tool widely used in many indications, mainly for staging malignant neoplasm. A correct interpretation of images requires knowledge of physiological uptake. The most frequently encountered can be found in head and neck area (language, masticator muscles, and ocular muscles). Many of them can be limited t...
journal_title:Clinical nuclear medicine
pub_type: 杂志文章
doi:10.1097/RLU.0000000000000883
更新日期:2015-12-01 00:00:00
abstract::Twenty-eight children (5 girls, 23 boys; age, 20.3 +/- 16.2 months) with Kawasaki disease (KD) were included in this study. The children were treated with aspirin plus intravenous injection of gamma globulin (IVGG). Both Tc-99m HMPAO labeled WBC heart imaging (Tc-WBC) and two-dimensional echocardiograms (2D-Echo) were...
journal_title:Clinical nuclear medicine
pub_type: 杂志文章
doi:10.1097/00003072-199509000-00012
更新日期:1995-09-01 00:00:00