Medical and Biomedical Researches

Bone scan findings in metastatic calcification from calciphylaxis.

June 28th, 2008
Bone scan findings in metastatic calcification from calciphylaxis. A 51-year-old woman on peritoneal dialysis for chronic renal failure secondary to diabetic and nonsteroidal anti-inflammatory drug nephropathy was referred for a Tc-99m MDP bone scan to assess firm subcutaneous plaques in the sacral and gluteal regions. This ...

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Postinfectious focal necrotizing myopathy.

June 28th, 2008
Postinfectious focal necrotizing myopathy. A 37-year-old woman was admitted to our department with general fatigue, fever, and asymmetric pain in her lower legs, 2 weeks after a common cold. Dynamic skeletal scintigraphy with 780 MBq (20 mCi) Tc-99m HDP revealed increased perfusion and tracer uptake in ...

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Imaging characteristics of heterotopic mesenteric ossification on FDG PET and Tc-99m bone SPECT.

June 28th, 2008
Imaging characteristics of heterotopic mesenteric ossification on FDG PET and Tc-99m bone SPECT. A CT scan of a 69-year-old male patient, performed for staging of suspected lung carcinoma, incidentally showed an irregular lesion of 10 cm in the upper abdomen. Further investigation using FDG-PET showed only ...

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F-18 FDG PET/CT in the management of infected abdominal aortic aneurysm due to salmonella.

June 28th, 2008
F-18 FDG PET/CT in the management of infected abdominal aortic aneurysm due to salmonella. Mycotic aneurysm is a rare and life-threatening disorder. Computed tomography (CT) is considered to be the best diagnostic imaging modality that can detect an abdominal aortic aneurysm and changes in the surrounding ...

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Cardiac fusion imaging with low-dose computed tomography using prospective electrocardiogram gating.

June 28th, 2008
Cardiac fusion imaging with low-dose computed tomography using prospective electrocardiogram gating. In a 66-year-old patient with prolonged episodes of chest pain, catheter angiography revealed total occlusions of the right coronary artery and the distal circumflex artery (CX) as well as 2 sequential significant stenoses in the ...

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F-18 FDG uptake in cutaneous metastases from breast cancer.

June 28th, 2008
F-18 FDG uptake in cutaneous metastases from breast cancer. Cutaneous metastases from internal malignancies are rare with a reported incidence between 0.7% and 10%. Among all malignancies the highest incidence of cutaneous metastasis is seen in breast cancer. We report the detection of distant dermal metastases ...

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Early response assessment in gastrointestinal stromal tumors with FDG PET scan 24 hours after a sing

June 28th, 2008
Early response assessment in gastrointestinal stromal tumors with FDG PET scan 24 hours after a single dose of imatinib. Gastrointestinal stromal tumors (GIST), rare mesenchymal tumors of the gastrointestinal tract, are gaining the interest of researchers because of the impressive metabolic response to the targeted molecular ...

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Intramuscular metastasis of carcinoid tumor: a rare manifestation.

June 28th, 2008
Intramuscular metastasis of carcinoid tumor: a rare manifestation. A 43-year-old man presented with a 2-month history of left upper lobectomy due to an atypical lung carcinoid tumor. The patient was referred to our department for further evaluation. An In-111 octreotide (Octreoscan) whole body scan and single ...

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The effects of bone erosion from aortic aneurysm on the regional uptake of FDG.

June 28th, 2008
The effects of bone erosion from aortic aneurysm on the regional uptake of FDG. A 71-year-old white man with a known right-sided apical nonsmall cell lung carcinoma was referred for a F-18 FDG whole body PET-CT examination after chemotherapy before radiotherapy. A staging CT scan had ...

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Ivory vertebra appearing photopenic on Tc-99m MDP bone scan: demonstration by SPECT/CT.

June 28th, 2008
Ivory vertebra appearing photopenic on Tc-99m MDP bone scan: demonstration by SPECT/CT. We report the case of a 72-year-old man with prostate cancer, in whom Tc-99m MDP bone scintigraphy revealed a \"superscan\" pattern, except in a dorsal vertebra, which appeared photopenic. A low-dose SPECT/CT acquisition demonstrated ...

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Early parathyroid MIBI SPECT imaging in the diagnosis of persistent hyperparathyroidism.

June 28th, 2008
Early parathyroid MIBI SPECT imaging in the diagnosis of persistent hyperparathyroidism. We present a case that demonstrates the utility of early SPECT images associated with fusion images with MRI for presurgical localization in a case of persistent hyperparathyroidism after a first surgery. Three years after that ...

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F-18 FDG PET/CT imaging of submandibular gland oncocytoma.

June 28th, 2008
F-18 FDG PET/CT imaging of submandibular gland oncocytoma. F-18 FDG PET/CT is used to evaluate head and neck malignancies, including salivary gland tumors. We describe the FDG PET/CT features of a submandibular gland oncocytoma. An 85-year-old patient with small cell cancer of the lung and a ...

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F-18 fluorodeoxyglucose (FDG) PET in the diagnosis of malignant transformation of fibrous dysplasia

June 28th, 2008
F-18 fluorodeoxyglucose (FDG) PET in the diagnosis of malignant transformation of fibrous dysplasia in the pelvic bones. Fibrous dysplasia (FD) is a benign dysplastic pathology of bone-forming mesenchymal cells, resulting in replacement of trabecular bone by abnormal fibrous and immature osseous tissue. FD can be either ...

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The added benefit of a dedicated neck F-18 FDG PET-CT imaging protocol in patients with suspected re

June 28th, 2008
The added benefit of a dedicated neck F-18 FDG PET-CT imaging protocol in patients with suspected recurrent differentiated thyroid carcinoma. PURPOSE: To retrospectively analyze whether adding a delayed high-resolution dedicated neck F-18 FDG positron emission tomography-computerized tomographic (PET-CT) imaging protocol in patients with recurrent differentiated thyroid ...

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Adenosine Tc-99m tetrofosmin SPECT in differentiation of ischemic from nonischemic cardiomyopathy in

June 28th, 2008
Adenosine Tc-99m tetrofosmin SPECT in differentiation of ischemic from nonischemic cardiomyopathy in patients with LV systolic dysfunction. BACKGROUND: The noninvasive differentiation of ischemic from nonischemic cardiomyopathy is clinically important. However, whether adenosine Tc-99m tetrofosmin SPECT can offer clear and accurate information was not known. The aim ...

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Intensity of FDG uptake is not everything: synchronous liposarcoma and fibrous dysplasia in the same

June 28th, 2008
Intensity of FDG uptake is not everything: synchronous liposarcoma and fibrous dysplasia in the same patient on FDG PET-CT imaging. A growing number of studies have demonstrated the usefulness of FDG PET-CT in the preoperative assessment of soft tissue sarcomas. We report a case of a ...

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Gender differences in pediatric burn patients: does it make a difference?

June 28th, 2008
Gender differences in pediatric burn patients: does it make a difference? OBJECTIVE: There is evidence that females have a better outcome in intensive care units (ICUs) when compared with males. The aim of the present study was to compare hospital course and physiologic markers between severely ...

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Visceral injury and systemic inflammation in patients undergoing extracorporeal circulation during a

June 28th, 2008
Visceral injury and systemic inflammation in patients undergoing extracorporeal circulation during aortic surgery. OBJECTIVES: Visceral injury and inflammation are evaluated in patients undergoing extracorporeal circulation (ECC) either with distal aortic perfusion (DAP) during thoracic aortic aneurysm (TAA) repair or DAP and selective organ perfusion (DAP and ...

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Carotid artery stenting compared to carotid endarterectomy performed exclusively in a veteran popula

June 28th, 2008
Carotid artery stenting compared to carotid endarterectomy performed exclusively in a veteran population: one center\'s experience with midterm results. OBJECTIVE: To evaluate a single center\'s experience with carotid artery stenting (CAS) and carotid endarterectomy (CEA) performed by vascular surgeons in an entirely veteran population. METHODS: Data ...

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Challenges in surgical management of abdominal pain in the neutropenic cancer patient.

June 28th, 2008
Challenges in surgical management of abdominal pain in the neutropenic cancer patient. BACKGROUND: Abdominal pain in neutropenic cancer patients presents a unique clinical challenge for surgeons. The purposes of this retrospective study were to characterize the clinicopathologic factors associated with the presentation of neutropenia and abdominal ...

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Results of pancreaticoduodenectomy in patients with periampullary adenocarcinoma: perineural growth

June 28th, 2008
Results of pancreaticoduodenectomy in patients with periampullary adenocarcinoma: perineural growth more important prognostic factor than tumor localization. OBJECTIVE: To study the impact of perineural growth as a prognostic factor in periampullary adenocarcinoma (pancreatic head, ampulla of Vater, distal bile duct, and duodenal carcinoma). SUMMARY BACKGROUND DATA: ...

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Intrahepatic cholangiocarcinoma: rising frequency, improved survival, and determinants of outcome af

June 28th, 2008
Intrahepatic cholangiocarcinoma: rising frequency, improved survival, and determinants of outcome after resection. BACKGROUND: Despite data suggesting a rising worldwide incidence, intrahepatic cholangiocarcinoma (IHC) remains an uncommon disease. This study analyzes changes in IHC frequency, demographics, and treatment outcome in a consecutive and single institutional cohort. METHODS: ...

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Major hepatectomy for the treatment of complex bile duct injury.

June 28th, 2008
Major hepatectomy for the treatment of complex bile duct injury. BACKGROUND: Postcholecystectomy complex bile duct injuries involving the hilar confluence, which are often associated with vascular injuries and liver atrophy, remain a considerable surgical challenge. The aim of this study is to report our experience of ...

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Transoral endoscopic fundoplication in the treatment of gastroesophageal reflux disease: the anatomi

June 28th, 2008
Transoral endoscopic fundoplication in the treatment of gastroesophageal reflux disease: the anatomic and physiologic basis for reconstruction of the esophagogastric junction using a novel device. OBJECTIVE: To determine the safety, mechanism of action, immediate postprocedural anatomic impact on the esophagogastric junction, and short-term efficacy of the ...

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Use of recombinant activated factor VII in patients without hemophilia: a meta-analysis of randomize

June 28th, 2008
Use of recombinant activated factor VII in patients without hemophilia: a meta-analysis of randomized control trials. CONTEXT: Benefits of recombinant activated factor VII (rFVIIa) in hemorrhage may be lost because of thromboembolic events (TAE). METHOD: MEDLINE, EMBASE, BIOSIS, CINAHL, Science Citation Index Expanded, clinicaltrials.gov were searched ...

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