PubMed Journals Articles About "Large Adrenal Tumor With Marked Fluorodeoxyglucose Uptake" RSS

13:51 EST 16th December 2018 | BioPortfolio

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Showing "Large Adrenal Tumor With Marked Fluorodeoxyglucose Uptake" PubMed Articles 1–25 of 21,000+

Correlation of tumor uptake on breast-specific gamma imaging and fluorodeoxyglucose PET/CT with molecular subtypes of breast cancer.

Mechanisms of technetium-99m sesta-methoxyisobutylisonitrile (sestamibi) and F-fluorodeoxyglucose (FDG) uptake by tumor are different. The purpose of this study was to investigate the association between the tumor uptake of these 2 tracers in invasive ductal carcinoma and to examine thecorrelation of uptake of each tracer with prognostic factors and tumor molecular subtypes.A total of 96 patients with invasive ductal carcinoma who underwent preoperative breast-specific gamma imaging and FDG positron-emissio...

Hepatic Pseudolymphoma with Fluorodeoxyglucose Uptake on Positron Emission Tomography.

A 69-year-old woman with chronic hepatitis B was admitted to our hospital with a hepatic tumor. The levels of 2 tumor markers, carcinoembryonic antigen and carbohydrate antigen 19-9, were slightly elevated; however, the α-fetoprotein and protein levels induced by vitamin K antagonist II were within the normal limits. Abdominal ultrasonography showed a well-defined peripheral hypoechoic mass that was isoechoic and homogeneous on the inside. Computed tomography showed a poorly enhanced tumor of 13 mm in diam...

F-Fluorodeoxyglucose positron emission tomography can be used to determine the indication for endoscopic resection of superficial esophageal cancer.

F-Fluorodeoxyglucose positron emission tomography (FDG-PET) is a useful imaging modality that reflects the tumor activity. However, FDG-PET is mainly used for advanced cancer, not superficial cancer. In this study, we investigated the relationship between the superficial tumor depth of esophageal cancer and the FDG uptake to determine the indications for endoscopic resection (ER). From 2009 to 2017, 444 patients with esophageal cancer underwent esophagectomy or endoscopic submucosal dissection (ESD), and 19...

Mass-Forming Deep Pseudodiverticulosis of the Esophagus with 18F-Fluorodeoxyglucose Uptake.

We report a case of esophageal intramural pseudodiverticulosis associated with an inflammatory esophageal mass with high F-fluorodeoxyglucose (FDG) uptake. A 48-year-old man presented with dysphagia caused by an esophageal stricture. Positron emission tomography/magnetic resonance imaging showed an FDG-avid lesion in the lower esophagus. Due to suspected malignancy, the patient underwent subtotal esophagectomy. Histological examination confirmed the diagnosis of an inflammatory tumor associated with esophag...

Intravascular Large B-cell Lymphoma with a Pulmonary 18F-Fluorodeoxyglucose Uptake.

18F-fluorodeoxyglucose use after cardiac transplant: A comparative study of suppression of physiological myocardial uptake.

18F-fluorodeoxyglucose (FDG) has been useful in the evaluation of myocardial inflammatory processes. However, it is challenging to identify them due to physiological 18F-FDG uptake. There are no publications demonstrating the application of FDG in post-transplant rejection in humans yet. The aim of this study is to determine the feasibility of suppression of myocardial FDG uptake in post-transplant patients, comparing three different protocols of preparation.

Musculoskeletal Pitfalls on Fluorodeoxyglucose F 18 PET-Computed Tomography: Pictorial Review.

A wide range of musculoskeletal processes can demonstrate increased uptake on PET-computed tomography (CT) with fluorodeoxyglucose (FDG) F 18, including reactive, benign neoplastic, inflammatory, traumatic, posttreatment, and arthritic conditions that may mimic malignancy. In addition, physiologic causes of increased FDG uptake such as asymmetric muscle use and presence of brown fat can lead to increased FDG uptake and potential false-positive results. This article presents various case examples of non-mali...

Prevalence of Testicular Adrenal Rest Tumor and Factors Associated with Its Development in Congenital Adrenal Hyperplasia.

Testicular adrenal rest tumors (TART) can cause infertility in congenital adrenal hyperplasia (CAH) males.

Technical note: CT-guided percutaneous core biopsy for assessment of morphologically normal adrenal glands showing high FDG uptake in patients with lung cancer.

Increased FDG uptake in morphologically normal adrenal glands on PET-CT is a diagnostic challenge with major implications on treatment. The purpose of this retrospective study was to report our experience of CT-guided percutaneous core biopsy of morphologically normal adrenal glands showing increased FDG uptake in a context of lung cancer.

Malignant peripheral nerve sheath tumor originating from the adrenal gland in a dog.

A large abdominal mass was found in a dog. Histopathologically, the surface of the mass was covered with compressed adrenal gland tissue. The neoplastic cells showed typical features of malignant peripheral nerve sheath tumor (MPNST), including Antoni type A and type B pattern, and nuclear palisading. Immunohistochemically, these cells were positive for S100 protein, nerve growth factor receptor, nestin and claudin-1. The dog was euthanized because of the developing multiple metastatic lesions. The metastat...

Prognostic value of 18F-fluorodeoxyglucose bone marrow uptake in patients with solid tumors: A meta-analysis.

Several studies have reported the prognostic value of F-fluorodeoxyglucose (F-FDG) bone marrow uptake (BMU) measured by F-FDG positron emission tomography (F-FDG PET) in various cancers. We performed a meta-analysis to evaluate the prognostic value of F-FDG BMU in patients with solid tumors.

Primary bilateral non-Hodgkin's lymphoma of the adrenal gland.

Primary bilateral non-Hodgkin's lymphoma (NHL) of the adrenal gland is very rare. Herein, we report the case of a high-grade lymphoma of both adrenal glands that was found in a 38-year-old patient. The patient was admitted because of an ultrasound which demonstrated large bilateral adrenal masses. The computed tomography scan-guided biopsy of both adrenal glands suggested the diagnosis of bilateral adrenal NHL. Primary bilateral adrenal NHL should be considered as the differential diagnosis of adrenal masse...

Predictive factors for adrenal metastasis in extra-adrenal malignancy patients with solitary adrenal mass.

The adrenal gland is a frequent site for metastasis, and a solitary adrenal mass is often observed during staging workup or imaging follow-up in patients with extra-adrenal malignancy. To create an appropriate management plan, it is essential to distinguish between benign adrenal lesions and metastasis in patients with extra-adrenal cancer having solitary adrenal masses. Therefore, here we evaluated the predictive factors for adrenal metastasis in patients with extra-adrenal malignancy having solitary adren...

68Ga-Labeled Prostate-Specific Membrane Antigen Uptake in Pheochromocytoma: An Incidental Finding in PET/CT Scan.

We report a case of adenocarcinoma prostate treated previously with radical prostatectomy and hormonal therapy who underwent Ga-labeled prostate-specific membrane antigen PET/CT for recurrence evaluation. In addition to radiotracer uptake in the prostate bed, unusual intense prostate-specific membrane antigen uptake was also noted in the left adrenal gland. With a clinical suspicion of pheochromocytoma, Ga-DOTANOC PET/CT was done, which revealed tracer-avid left adrenal lesion.

Detection of unknown primary tumor in patients presented with brain metastasis by F-18 fluorodeoxyglucose positron emission tomography/computed tomography.

 F-18 fluorodeoxyglucose (FDG) PET/CT has several advantages in diagnosis of cancer of unknown primary with reported incremental diagnostic value. In this study, we evaluated the patients who were presented with multiple brain metastasis and unknown primary tumor.

A Multimodality Review of Adrenal Tumors.

Adrenal tumors are very commonly encountered in the practice of radiology. They may arise from the adrenal gland itself, either the cortex or the medulla, or they could be secondary lesions. They may be benign or malignant. The functioning adrenal tumors lead to hypersecretion of adrenal hormones leading to clinical syndromes. Computed tomography is the most common imaging modality used for the initial evaluation of adrenal tumors. Magnetic resonance imaging and functional scintigraphic techniques are frequ...

Testicular adrenal rest tumor without congenital adrenal hyperplasia: A rare case.

Prognostic value of interim fluorodeoxyglucose and fluorothymidine PET/CT in diffuse large B cell lymphoma.

To examine the prognostic value of fluorodeoxyglucose (FDG) and fluorothymidine (FLT) interim positron emission tomography/computed tomography (PET/CT) for diffuse large B cell lymphoma (DLBCL).

18F-FDG, 68Ga-DOTATATE and 68Ga-PSMA Positive Metastatic Large Cell Neuroendocrine Prostate Tumor.

Prostate large cell neuroendocrine tumor is a rare disease. In this case, metastatic areas showing FDG uptake, somatostatin receptor positivity, and PSMA expression are shown in F-FDG PET/CT, Ga-DOTATATE PET/CT, and Ga-PSMA PET/CT in a 70-year-old man with the diagnosis of prostate large cell neuroendocrine carcinoma.

A Cardiac Metastasis of Follicular Thyroid Carcinoma With Partly Squamous Cell Differentiation: Detection in FDG-PET Preceded Visibility on Echocardiography and MRI by More Than a Year.

PET using the radiotracer F-fluorodeoxyglucose (FDG) was performed in a patient who presented with elevated thyroglobulin (Tg) levels several years after initial therapy of follicular thyroid carcinoma (oncocytic variant) and in whom high-dose radioiodine (I) failed to locate recurrent tumor or to decrease Tg levels. A focal fluorodeoxyglucose uptake in the apical septum of the heart did not have a discernible correlate in echocardiography or MRI for more than 12 months. Finally, a metastasis of the follicu...

The appropriate whole body metric for calculating standardised uptake value and the influence of sex.

To compare weight, lean body mass and body surface area for calculation of standardised uptake value (SUV) in fluorine-18-fluorodeoxyglucose PET/computed tomography, taking sex into account.

Synthesis and evaluation of an N-Ffluorodeoxyglycosyl amino acid for PET imaging of tumor metabolism.

The limitations of [F]fluorodeoxyglucose ([F]FDG), including producing false-positive or -negative results, low image contrast in brain tumor diagnosis and poor differentiation of tumor and inflammatory, necessitate the development of new radiopharmaceuticals. In the present study, a novel [F]fluoroglycoconjugate tracer, [F]FDGly-NH-Phe, for tumor metabolism imaging was prepared and evaluated.

Volume-based parameters on FDG PET may predict the proliferative potential of soft-tissue sarcomas.

Soft-tissue sarcomas (STS) are rare types of tumors that have variable levels of tumor differentiation. F-18 fluorodeoxyglucose positron emission tomography (FDG PET) has been established as an useful tool for STS patients, and the metabolic tumor volume (MTV) and total lesion glycolysis (TLG) are reported to be useful in various cancers. We compared the diagnostic value of four PET parameters (maximum standardized uptake value [SUVmax], SUVmean, MTV, and TLG) from two acquisition timings for predicting the...

Tuberculous Adrenal Abscess Presenting as Adrenal Insufficiency in a 4-Year-Old Boy.

We describe the case of a 4.8-year-old boy who presented with adrenal crisis. The advent of symptoms of adrenal insufficiency in the patient was at around 2 years of age. Congenital causes of adrenal insufficiency were considered over acquired etiologies owing to early onset of symptoms. However, on evaluation, he was found to have left adrenal abscess of tuberculous etiology. The aspirate culture grew multidrug-resistant Mycobacterium tuberculosis complex. He was initiated on glucocorticoid and mineraloc...

Prognostic value of adrenal gland volume after cardiac arrest: association of CT-scan evaluation with shock and mortality.

Adrenal gland volume is associated with survival in septic shock. As sepsis and post-cardiac arrest syndrome share many pathophysiological features, we assessed the association between adrenal gland volume measured by computerized tomography (CT)-scan and post-cardiac arrest shock and intensive care unit (ICU) mortality, in a large cohort of out-of-hospital cardiac arrest (OHCA) patients. We also investigated the association between adrenal hormonal function and both adrenal gland volume and outcomes.

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