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Lo Y L - - 2011
Concurrence of migraine and hallucinations is extremely rare and the underlying mechanism is poorly understood. We report a 22-year-old man with migraine associated with auditory hallucinations. Concurrent psychotic illness has been excluded. Brain MR scans showed a stable, patchy FLAIR hyperintensity over the posterolateral aspect of the left cerebral peduncle, ...
Meng Zhaowei - - 2011
A 28-year-old Chinese man diagnosed with hypercalcemic crisis was referred for Tc-99m sestamibi parathyroid imaging, which revealed a massive sestamibi-avid lesion in right-site of upper mediastinum. Contrast-enhanced CT demonstrated the lesion encroached and obstructed bilateral innominate veins and superior vena cava. Tc-99m methylene diphosphonate (MDP) bone scan and SPECT displayed ...
Osman Medhat M - - 2011
A 74-year-old man with 40-year history of smoking and known history of chronic lymphocytic leukemia and cutaneous T-cell lymphoma underwent FDG PET/CT examination for a recent diagnosis of squamous cell carcinoma diagnosed from right frontal crown and left posterior ear skin biopsy. PET images revealed multiple FDG-avid lesions in the ...
Hong Il Ki - - 2011
We report F-18 FDG PET/CT images of biopsy-proven intramuscular metastasis from primary uterine cervix cancer. A 70-year-old woman was admitted because of a mass in the left axilla. She was diagnosed with uterine cervix cancer and underwent total abdominal hysterectomy, bilateral salpingo-oophorectomy, and pelvic node dissection and received adjuvant chemotherapy ...
Dang Chun-Jiang - - 2011
Appendiceal cancer is rare and is associated with a poor prognosis because it is usually found at an advanced stage. We report the case of a 58-year-old man with appendiceal adenocarcinoma, who complained of right lower abdominal malaise for a couple of months. The tumor was detected early on contrast-enhanced ...
Kim Min-Su - - 2011
Cerebellar pilocytic astrocytomas (PAs) are benign gliomas predominantly found in the pediatric population. Intracranial hemorrhages are extremely rare in initial presentations of cerebellar PAs. There are no reports in the medical literature of adult cerebellar PA cases presenting with intratumoral hemorrhage. We report 2 cases of adult cerebellar pilocytic astrocytomas ...
Plaks Vicki V Biological Regulation, The Weizmann Institute of Science, Rehovot, 76100, - - 2011
The purpose of this study was to develop a tool for functional phenotyping of the maternal circulation in the mouse placenta. In utero macromolecular dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) was performed on embryonic day 10.5 (E10.5), E13.5, and E18.5. Fluorescence analysis was also used for validation of the results. ...
Joshi F F Division of Cardiovascular Medicine, University of Cambridge, Cambridge, - - 2011
Atherosclerosis is an inflammatory disease that causes most myocardial infarctions, strokes and acute coronary syndromes. Despite the identification of multiple risk factors and widespread use of drug therapies, it still remains a global health concern with associated costs. Although angiography is established as the gold standard means of detecting coronary ...
Takanami Kentaro - - 2011
OBJECTIVES: This study aimed at determining the additional value of FDG PET/CT to contrast-enhanced CT in the differentiation between benign and malignant intraductal papillary mucinous neoplasms (IPMNs) of the pancreas with mural nodules. METHODS: This retrospective review of medical records was approved by our institutional review board. The preoperative PET/CT ...
Grubstein Ahuva - - 2011
Silicone breast implants are widely used for breast augmentation and breast reconstruction following mastectomy. Implant rupture has specific radiological signs. With the advent use of new imaging technique such as positron emission tomography (PET) computed tomography (CT) and magnetic resonance imaging (MRI) of the breast, these signs may simulate malignancy. ...
Oven Ustaalioglu Bala Basak - - 2011
We report tracheal recurrence in patient with non-small-cell lung cancer (NSCLC) who was diagnosed with F-18 fluorodeoxyglucose positron emission tomography/computerized tomography (FDG PET/CT) during follow-up period. A 56-year-old man presented with mediastinum involvement of NSCLC (clinical stage IIIA). After 3 cycles of neoadjuvant platinum-based chemotherapy, he underwent right pneumonectomy. Because ...
Talanow Roland - - 2011
A 45-year-old man with history of B-cell lymphoma and new back pain underwent PET/CT that showed tracer uptake in multiple lumbosacral nerve roots, concerning for neurolymphomatosis. Histology after lumbar puncture revealed lymphoma involvement in the central nervous system. After cycle 3 of chemotherapy (RICE), restaging PET/CT (2 months after initial ...
Lu Yang - - 2011
A 55-year-old man with high-grade invasive urothelial carcinoma presented for evaluation with FDG PET/CT. An approximately 6 × 3-cm hypermetabolic (maximum standard uptake value, 13) soft-tissue mass involving the right atrial appendage is noted. This mass was overlooked on a dedicated contrast CT performed 2 months before, as the mass ...
Blazak John K - - 2011
A 49-year-old woman presented for investigation of a chronic cough. Computed tomography (CT) demonstrated a 12-mm diameter lobulated mass in the right middle lobe of the lung. There was no evidence of metastases on computed tomography and, particularly, no masses were demonstrated in the adrenal glands. Subsequent bronchoscopic biopsy demonstrated ...
Lin Ko-Han - - 2011
: Pulmonary sclerosing hemangioma (PSH), or the alternative name of "sclerosing pneumocytoma," is a rare benign neoplasm. PSH is often asymptomatic and presents as a solitary pulmonary nodule on radiologic imaging studies. Few articles have been reported to describe the FDG PET findings about PSH. We reported FDG PET findings ...
Yoon Mee Sun - - 2011
: We evaluated the metabolic response of lymph nodes (LNs) using consecutive F-fluorodeoxyglucose-positron emission tomography/computed tomography (PET/CT) and correlated the metabolic response with the volumetric response measured by consecutive CT. : Twenty-two patients with cervical cancer that had positive LNs underwent preradiotherapy (pre-RT) and inter-RT PET/CT. The metabolic response of ...
Bhargava Peeyush - - 2011
: Interpretation of positron emission tomography/computed tomography (PET/CT) studies in the head and neck region is challenging due to the complex anatomy and nonspecific physiologic and inflammatory FDG uptake. We present an atlas of common confounding factors encountered at our institution. : We present whole-body fluorodeoxyglucose (FDG) PET/CT studies of ...
Zissen Maurice Henry - - 2011
The aim of this study was to evaluate the potential of fluorine-18 (F)-5-fluorouracil (F-5-FU) positron emission tomography/computed tomography (PET/CT) to show differences in 5-FU activity in metastatic colorectal cancer before and after treatment with bevacizumab. This was a pilot study of five patients with newly diagnosed and untreated metastatic colorectal ...
Ravasi Laura - - 2011
Stroking the whiskers of a rat is known to increase cerebral blood flow and glucose utilization in the somatosensory cortex. We sought to determine whether this activation could be detected with small animal PET and 2-[F]fluoro-2-deoxyglucose ([F]FDG). Awake rats were coinjected with [F]FDG and [C]deoxyglucose ([C]DG), and during the uptake ...
Chien David T - - 2011
PURPOSE: Myocardial washout of the potassium analogue (82)Rb may indicate tissue impairment. Few studies have evaluated its usefulness for viability assessment, and controversial results were reported. We revisited this topic using list-mode positron emission tomography (PET)/CT. METHODS: A total of 22 patients with chronic ischemic cardiomyopathy (ICM) and 11 control ...
Vassiliou V - - 2011
Radiological and nuclear medicine imaging modalities used for assessing bone metastases treatment response include plain and digitalised radiography (XR), skeletal scintigraphy (SS), dual-energy X-ray absorptiometry (DEXA), computed tomography (CT), magnetic resonance imaging (MRI), [(18)F] fluorodeoxyglucose positron emission tomography (FDG-PET) and PET/CT. Here we discuss the advantages and disadvantages of these ...
Casasnovas René-Olivier - - 2011
The prognostic value of interim PET interpreted according to visual criteria is a matter of debate in diffuse large B cell lymphoma (DLBCL). Maximal standardized uptake value reduction (ΔSUVmax) may better predict outcome. To compare the prognostic value of both methods, we analysed PET done at baseline (PET0), after 2 ...
Li Meng - - 2011
BACKGROUND: [Fluorine-18]-fluorodeoxyglucose positron emission tomography/computed tomography ((18)F-FDG PET-CT) is widely performed in the regional nodal staging of non-small cell lung cancer (NSCLC). However, the uptake of (18)F-FDG by tubercular granulomatous tissues may lead to false-positive diagnosis. This is of special concern in China, where tubercular granulomatous disease is epidemic. Herein, ...
Li Zhan-Chun - - 2011
Microdamage in bone contributes to bone fragility in postmenopausal women. Therefore, it is important to find a noninvasive method to detect microdamage in living bone. PET with (18)F-fluoride has been used for skeletal imaging in clinical studies. However, few studies are undertaken to investigate bone microdamage associated with osteoporosis in ...
Zhu Jiang - - 2011
Primary tumors of the seminal vesicle are very rare. We reported a 35-year-old man with a rare primary diffuse large B-cell lymphoma of the seminal vesicles. By transrectal ultrasound (TRUS) imaging, ultrasonic elastography (UE), and computed tomography (CT) imaging, the tumor was defined to locate in seminal vesicles. By TRUS-guided ...
Lee Jeong Won - - 2011
OBJECTIVE: The purpose of the present study was to evaluate the clinical usefulness of the delayed post-therapeutic (131)I scan in patients with well-differentiated thyroid cancer by comparing the early scanned images with the delayed images. METHODS: A total of 81 patients (female:male = 67:14; age 52 ± 13 years) with well-differentiated thyroid cancer who underwent ...
Canter Daniel - - 2011
Both positron emission tomography/computed tomography (CT) and adrenal washout studies are highly accurate in differentiating benign from malignant adrenal lesions. Very few data exist to help guide management when the positron emission tomography and CT adrenal findings contradict each other with regard to the malignant potential. We present a patient ...
Ploux Sylvain - - 2011
BACKGROUND: A pacemaker recipient may be recurrently hospitalized with an infection of unknown origin despite detailed investigations. OBJECTIVE: In the present study, we investigated whether (18)F-fluorodeoxyglucose positron emission tomography (FDG-PET/CT) scanning has a role to play in the identification of pacing material infection, in these difficult cases. METHODS: Ten patients ...
Probst Stephan - - 2011
A 27-year-old woman previously treated for extranodal marginal zone lymphoma of mucosa-associated lymphoid tissue (MALToma) underwent F-18 FDG PET/CT for restaging, which demonstrated intense uptake in the lumbosacral thecal sac and adjoining nerve roots, with subtle increased paraspinal soft tissue. Contrast-enhanced MRI of the spinal cord performed 2 days later ...
Probst Stephan - - 2011
An 88-year-old woman with recently diagnosed squamous cell cancer of the right lung apex underwent F-18 FDG PET/CT for staging, which demonstrated focal intense uptake in the basolateral wall of the left ventricle (LV) of the heart. Contrast-enhanced CT of the chest and abdomen obtained in the days following confirmed ...
Hundt W - - 2011
The in vivo temporal changes of luciferase activity were investigated under the control of an hsp70 promoter in three tumour models after the application of different intensities of high-intensity focused ultrasound (HIFU). Three cell lines, SCCVII, NIH3T3 and M21 were stably transfected with a plasmid containing the hsp70 promoter and ...
Lee Gilho - - 2011
A 65-year-old man who had multiple lymph nodes swelling was pathologically diagnosed with diffuse large B cell lymphoma. After initiation of induction chemotherapy, F-18 FDG PET/CT showed a significantly decreased extent of previous lymphomatous lesions except for 2 newly developed focal hypermetabolic lesions in the prostate and left epididymis. The ...
Mizuno Yoshimasa - - 2011
We report two cases of pulmonary epithelioid hemangioendothelioma (PEH). Both patients presented with multiple bilateral pulmonary nodules, <10 mm diameter, on computed tomography (CT). Multiple pulmonary metastases were considered, but no primary malignant lesion was detected by other imaging modalities including (18)F-fl uorodeoxyglucose positron emission tomography ((18)F-FDG-PET)/CT. Moreover, the nodules ...
Sumi Misa - - 2011
We evaluated dynamic contrast-enhanced (DCE) magnetic resonance imaging (MRI) for the preoperative detection of extranodal spread (ENS) in metastatic nodes in the neck. The time-signal intensity curve (TIC) profiles of 54 histologically proven metastatic nodes (26 ENS-positive and 28 ENS-negative) from 43 patients with head and neck squamous cell carcinoma ...
Shahani Sadeka - - 2011
Thyroid plasmacytoma is a rare form of extramedullary plasmacytoma. We describe an 82-year-old man with gastric large B-cell lymphoma who had complete response after receiving chemotherapy and rituximab, an anti-CD20 chimeric monoclonal antibody. Thyroid uptake was seen on follow-up F-18 fluorodeoxyglucose-positron emission tomography/computerized tomography scan (FDG PET/CT) imaging. The left ...
Shum Weng-Yoon - - 2011
PURPOSE: We conducted this study to investigate the value of the dual-time 2-[(18)F]fluoro-2-deoxy-d-glucose (FDG) positron emission tomography-computed tomography (PET-CT) in assessment of the primary tumor, loco-regional lymph node and distant metastasis in patients with esophageal squamous cell carcinoma. METHODS: Twenty-six patients with histologically proved esophageal squamous cell carcinoma underwent dual-time ...
Maurea Simone - - 2011
OBJECTIVE: To compare norcholesterol uptake and magnetic resonance (MR) signal intensity ratios (SIRs) in characterizing adrenal adenomas to differentiate hypersecreting from nonhypersecreting lesions. METHODS: We studied 34 patients (14 males and 20 females, mean age: 47±15 years) with hypersecreting (n=19) or nonhypersecreting (n=15) adrenal adenomas; all patients underwent iodine-131 norcholesterol ...
Schreiter Nils - - 2011
Abnormal pulmonary 18F-FDG foci may occur with benign lesions like pneumonia but seldomly without any pathological CT findings. We report the case of a focal pulmonary 18F-FDG uptake without CT correlate in an initial staging examination of a patient with squamous cell carcinoma of the base of the tongue. A ...
Huang Tzung-Chi - - 2011
To reduce positron emission tomography (PET) and computed tomography (CT) misalignments and standardized uptake value (SUV) errors, cine average CT (CACT) has been proposed to replace helical CT (HCT) for attenuation correction (AC). A new method using interpolated average CT (IACT) for AC is introduced to further reduce radiation dose ...
Bilici Ahmet - - 2011
Extra marginal-zone lymphomas of the lung is a very rare tumor and it originates from bronchial-associated lymphoid tissue. A 68-yr-old woman presented with productive cough and dyspnea. A thorax computed tomography scan showed a 9 × 10 cm in size mass in the left lung and pleural effusion in the ...
Redal Peña M C - - 2011
(18)F-FDG PET-CT has become an essential tool in oncology patient management. The normal distribution of the FDG and the possible artifacts (pitfalls), including those from CT-based attenuation correction, have already been described in several reviews. However, only a few cases of FDG focal lung uptake have been reported recently. We ...
Kara T - - 2011
Epithelioid trophoblastic tumor is a recently described, rare and distinctive type of gestational trophoblastic tumor. We report the case of a 31-year old patient who had a full-term pregnancy 18 months before presentation. She had a right axillary lymph node metastasis and was referred for FDG-PET/CT scan for evaluation of ...
Iskender Ilker - - 2011
The maximum standardized uptake value (SUVmax) varies among positron emission tomography-integrated computed tomography (PET/CT) centers in the staging of non-small cell lung cancer. We evaluated the ratio of the optimum SUVmax cut-off for the lymph nodes to the median SUVmax of the primary tumor (ratioSUVmax) to determine SUVmaxvariations between PET/CT ...
Okada Morihito - - 2011
OBJECTIVE: The detection rates of small lung cancers, especially adenocarcinoma, have recently increased. An understanding of malignant aggressiveness is critical for the selection of suitable therapeutic strategies, such as sublobar resection. The objective of this study was to examine the malignant biological behavior of clinical stage IA adenocarcinoma and to ...
Terzi Alberto - - 2011
BACKGROUND: To assess the usefulness of (18)fluorine-fluorodeoxyglucose positron emission tomography/computed tomography ((18)F-FDG PET/CT) for differentiating the grade of malignancy of thymic epithelial neoplasm, and to determine whether (18)F-FDG PET/CT can have a role in pretreatment evaluation and possibly modify treatment strategy. MATERIALS AND METHODS: The data of 26 consecutive patients ...
Huh Jung Wook - - 2011
PURPOSE: This study prospectively assessed the value of sequential fluorine-18-fluorodeoxyglucose-positron emission tomography/computed tomography (FDG-PET/CT) scans for predicting the response of locally advanced rectal cancer to neoadjuvant chemoradiation. METHODS: Fifty consecutive patients with locally advanced rectal cancer were enrolled. The treatment consisted of concurrent chemoradiation, which included preoperative 5-fluorouracil-based chemotherapy and ...
Pryma Daniel A - - 2011
The goal of this study was to determine whether there is a potential correlation between quantification of radiolabeled macromolecular uptake in tumors determined in vivo using PET/CT and in vitro using autoradiography and γ-counting of tumor tissue. Twenty-six patients with renal masses scheduled for surgical resection received (124)I-labeled antibody cG250. ...
Hyun Seung Hyup - - 2011
The purpose of this study was to identify the incidence and clinical significance of incidental pituitary uptake on whole-body (18)F-FDG PET/CT. METHODS: We evaluated 13,145 consecutive subjects who underwent 18F-FDG PET/CT. The final diagnosis of pathologic or physiologic uptake was based on brain MRI and follow-up PET scanning. Receiver-operating-characteristic curve ...
Kao Yung Hsiang - - 2011
Background Uterine leiomyosarcomas are rare and aggressive malignancies of the uterine corpus with high recurrence rates and poor prognoses. The current recommendation for detection of recurrent uterine leiomyosarcoma involves periodic physical examination and conventional imaging such as CT or MRI. The role of fluorine-18-fluorodeoxyglucose positron emission tomography with integrated computed ...
Stout Natasha K - - 2011
Clinical applications of magnetic resonance imaging (MRI) of the breast have expanded across the breast cancer detection and control spectrum over the past decade. Use appears to be growing, although evidence for or against its use is still accumulating. Using electronic health plan and medical record data, we documented early ...
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