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Thyroid imaging

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https://www.readbyqxmd.com/read/28338469/the-utility-of-thyroid-ultrasonography-in-the-management-of-thyroid-nodules
#1
Gary Gamme, Tyler Parrington, Edward Wiebe, Sunita Ghosh, Brendan Litt, David C Williams, Todd P W McMullen
BACKGROUND: Ultrasonography for thyroid nodules is one of the most common imaging tests performed in the general population. Details from ultrasound reports guide biopsies and surgery. This study quantifies the completeness of these reports based on Thyroid Imaging and Reporting System (TI-RADS) criteria and considers their utility in predicting malignant disease. METHODS: We retrospectively reviewed ultrasound reports for 329 thyroidectomy patients and extracted data elements using the TI-RADS criteria: nodule size, echogenicity, margins, vascularity, solid/cystic composition and the presence or absence of microcalcifications and the halo sign...
April 2017: Canadian Journal of Surgery. Journal Canadien de Chirurgie
https://www.readbyqxmd.com/read/28338234/extent-of-surgery-did-not-affect-recurrence-during-7-years-follow-up-in-papillary-thyroid-cancer-sized-1-4-cm-preliminary-results
#2
Min Joo Kim, Myung-Chul Lee, Guk Haeng Lee, Hoon Sung Choi, Sun Wook Cho, Su-Jin Kim, Kyu Eun Lee, Young Joo Park, Do Joon Park
OBJECTIVE: There is debate whether hemithyroidectomy is sufficient for patients with papillary thyroid cancer (PTC) sized 1-4 cm. Therefore, we investigated whether hemithyroidectomy affects recurrence rate compared with thyroidectomy in patients with PTC sized 1-4 cm. DESIGN: Retrospective observational study. PATIENTS: We included 147 patients with 1-4 cm PTC who underwent hemithyroidectomy between 2004 and 2008. They were matched with 298 patients who underwent thyroidectomy, comparing age, sex, tumor size, multiplicity, and extrathyroidal extension status, and lymph node (LN) metastasis status...
March 24, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28332058/bilateral-axillo-breast-approach-robotic-thyroidectomy-baba-rt-does-not-interfere-with-breast-image-follow-up
#3
Hyeong Won Yu, Young Jun Chai, Hyungju Kwon, Su-Jin Kim, June Young Choi, Kyu Eun Lee
BACKGROUND: Bilateral axillo-breast approach robotic thyroidectomy (BABA RT) is frequently performed and has excellent cosmetic results. However, there has been concern that subcutaneous tunneling in construction of the operation field might interfere with subsequent breast imaging. In this study, we evaluated whether BABA RT interferes with breast imaging by evaluating serial perioperative results of mammography and ultrasonography. METHODS: We selected female patients who underwent BABA RT between 2008 and 2012, and who also had mammography or ultrasonography pre- and postoperatively, and compared the results of pre- and postoperative imaging...
March 22, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28328844/clinicopathological-study-on-thyroid-follicular-carcinoma-like-renal-tumor-related-to-serious-hypertension-case-report-and-review-of-the-literature
#4
Hui Wang, Jianpeng Yu, Zhonghua Xu, Gang Li
RATIONALE: Thyroid carcinoma-like tumor of the kidney (TLFCK) is an extremely rare variant of renal cell carcinoma. Most cases were incidentally found, while we report the first case of TLFCK presented with hypertension. PATIENT CONCERNS: A 25-year-old woman was admitted to our hospital presenting with hypertension for ∼20 months, without gross hematuria, weight loss, and flank pain. DIAGNOSES: Imaging studies revealed a right renal mass with multiple calcifications...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28328557/lateral-rectus-muscle-expands-more-than-medial-rectus-following-maximal-deep-balanced-orbital-decompression
#5
Adit Gupta, Alex Nobori, Yi Wang, Daniel Rootman, Robert Goldberg
PURPOSE: It has been reported that extraocular muscles can enlarge following orbital decompression in thyroid eye disease. In this article, the authors studied the changes in extraocular muscles size following maximal deep lateral and medial balanced decompression in a large sample of thyroid eye disease patients. METHODS: Imaging data were reviewed preoperatively and postoperatively. Radiologic proptosis was assessed. Maximal axial muscle width of the medial and lateral recti was measured...
March 21, 2017: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28328531/provider-variability-in-the-initial-diagnosis-and-treatment-of-congenital-hypothyroidism
#6
Luke Cielonko, Tyler Hamby, John S Dallas, Luke Hamilton, Don P Wilson
BACKGROUND: Early diagnosis and expeditious treatment of newborns with congenital hypothyroidism (CH) is necessary to avoid mental retardation. METHODS: A survey of 44 practitioners in the southern US was conducted to better understand common practices regarding neonatal CH and the findings were compared with current guidelines in the US and Europe. RESULTS: Responses indicated some consensus that 10-15 μg of thyroid hormone/kg/day was the appropriate dosage...
March 22, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28326350/tumor-induced-osteomalacia-secondary-to-anaplastic-thyroid-carcinoma-a-case-report-and-review-of-the-literature
#7
Ejigayehu G Abate, Victor Bernet, Cherise Cortese, Hillary W Garner
CONTEXT: Tumor induced osteomalacia related to anaplastic thyroid cancer has never been reported. OBJECTIVE: We describe a case of tumor induced osteomalacia (TIO) in a patient with a fibroblast growth factor 23 (FGF-23) secreting anaplastic thyroid carcinoma. The current imaging modalities are reviewed. DESIGN AND INTERVENTION: Clinical, biochemical, and radiological assessments were done, including computer tomography (CT) of the neck and skull to thigh positron emission tomography (PET)/CT...
December 2016: Bone Reports
https://www.readbyqxmd.com/read/28323379/effects-of-short-term-levothyroxine-therapy-on-myocardial-injuries-in-patients-with-severe-overt-hypothyroidism-evidence-from-a-cardiac-mri-study
#8
Xia Gao, Zhe Chen, Min Liu, Yu-Mei Jia, Ning Yang, Zhi Yao, Xiao-Meng Feng, Yuan Xu, Guang Wang
PURPOSE: To investigate using magnetic resonance imaging (MRI) myocardial injuries and cardiac function in patients with newly diagnosed severe primary overt hypothyroidism (HT) before and after achieving euthyroidism by short-term levothyroxine treatment. Levothyroxine treatment improves cardiovascular performance and ventricular remodeling in patients with HT, but diffuse myocardial injuries induced by HT are difficult to detect clinically. MATERIALS AND METHODS: Myocardial longitudinal relaxation time (T1 ) mapping using the modified Look-Locker inversion-recovery (MOLLI) sequences at 3...
March 21, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28321997/laparoscopic-resection-of-retroperitoneal-ectopic-thyroid-tissue
#9
Sawako Tamaki, Yasuyuki Miyakura, Soutoku Someya, Hideki Ishikawa, Nao Kakizawa, Fumi Hasegawa, Hiroyuki Tanaka, Rina Kikugawa, Shingo Tsujinaka, Akira Tanaka, Alan Kawarai Lefor, Toshiki Rikiyama
A 43-year-old otherwise healthy woman was found to have a retroperitoneal mass during a routine medical examination and was referred for further evaluation. Abdominal CT scan showed a well-delineated, low-density area that exhibited heterogeneous contrast enhancement. The area measured about 20 mm in size and was to the left of the aorta at the level of the inferior mesenteric artery. MRI showed a mass with heterogeneous hypointensity on T1 -weighted images and heterogeneous hyperintensity on T2 -weighted images...
March 20, 2017: Asian Journal of Endoscopic Surgery
https://www.readbyqxmd.com/read/28321804/on-the-reproducibility-of-expert-operated-and-robotic-ultrasound-acquisitions
#10
Risto Kojcev, Ashkan Khakzar, Bernhard Fuerst, Oliver Zettinig, Carole Fahkry, Robert DeJong, Jeremy Richmon, Russell Taylor, Edoardo Sinibaldi, Nassir Navab
PURPOSE: We present the evaluation of the reproducibility of measurements performed using robotic ultrasound imaging in comparison with expert-operated sonography. Robotic imaging for interventional procedures may be a valuable contribution, but requires reproducibility for its acceptance in clinical routine. We study this by comparing repeated measurements based on robotic and expert-operated ultrasound imaging. METHODS: Robotic ultrasound acquisition is performed in three steps under user guidance: First, the patient is observed using a 3D camera on the robot end effector, and the user selects the region of interest...
March 20, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28320460/thyroid-incidentalomas-on-18fdg-pet-ct-a-metabolico-pathological-correlation
#11
N Hagenimana, J Dallaire, É Vallée, M Belzile
BACKGROUND: Thyroid incidentaloma is defined as an unsuspected thyroid lesion found on imaging study or while performing a surgery non-related to the thyroid gland. Most recent scientific literature tends to demonstrate a detection rate of 0.1-4.3% for incidental findings of thyroid focal uptake identified by (18)F-fluorodeoxyglugose Positron Emission Tomography with computed tomography ((18)FDG-PET/CT) initially prescribed for nonthyroid disease. From 10.3 to 80.0% of patients who underwent further evaluation are diagnosed with malignant lesions...
March 21, 2017: Journal of Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28316857/progressive-pseudorheumatoid-dysplasia-or-jia
#12
Geetha Wickrematilake
Progressive pseudorheumatoid dysplasia (PPD) or spondyloepiphyseal dysplasia tarda with progressive arthropathy (SEDT-PA) is a rare arthropathy of childhood involving the axial skeleton as well as small peripheral joints. A 10-year-old boy was referred by a general practitioner with pain and deformity in the fingers of hands and limping gait. There was no joint synovitis although the finger joints were bulky on examination with mild flexion deformity. Patient had exaggerated kyphosis and lumbar lordosis with pigeon chest and restricted hip joint movements...
2017: Case Reports in Rheumatology
https://www.readbyqxmd.com/read/28316853/primary-hepatic-neuroendocrine-tumor-with-unusual-thyroid-follicular-like-morphologic-characteristics
#13
Mohd Elmugtaba Ibrahim, Kerolos Abadeer, Qihui Jim Zhai, Aziza Nassar
We describe a primary hepatic neuroendocrine tumor of a 57-year-old Thai woman who presented in 2004 with a suspicious mass in the left hepatic lobe. She underwent left hepatectomy for the 10.5-cm mass, called intermediate grade neuroendocrine carcinoma of unknown origin, likely metastatic. The tumor recurred in 2007, then called recurrent primary hepatic neuroendocrine tumor (PHNET), and the patient underwent liver transplant. Because of similarity between the neuroendocrine tumor and a thyroid tumor-specifically, follicular-like characteristics-immunohistochemical stains for thyroglobulin, TTF1, and calcitonin were performed...
2017: Case Reports in Pathology
https://www.readbyqxmd.com/read/28315908/positive-99m-tc-mibi-and-the-subtraction-parathyroid-scan-are-related-to-intact-parathyroid-hormone-but-not-to-total-plasma-calcium-in-primary-hyperparathyroidism
#14
Sanja Dugonjić, Marija Šišić, Marija Radulović, Boris Ajdinović
OBJECTIVE: Primary hyperparathyroidism (pHPT) is characterised by increased parathyroid hormone (PTH) secretion and consequently increased plasma calcium. During the last few decades parathyroid scintigraphy (PS), is applied in almost all patients with pPHT before surgery and specifically before minimally invasive parathyroidectomy. The aim of this study was to find the best cut-off levels of total plasma calcium and intact PTH (iPTH) that correlate with positive technetium-99m-methoxy isobutyl isonitrile ((99m)Tc-MIBI) PS and with positive subtraction PS (SPS) in patients with pHPT and thus the positive diagnostic value of these PS...
March 20, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28306727/biodistribution-and-pet-imaging-of-pharmacokinetics-of-manganese-in-mice-using-manganese-52
#15
A Lake Wooten, Tolulope A Aweda, Benjamin C Lewis, Rebecca B Gross, Suzanne E Lapi
Manganese is essential to life, and humans typically absorb sufficient quantities of this element from a normal healthy diet; however, chronic, elevated ingestion or inhalation of manganese can be neurotoxic, potentially leading to manganism. Although imaging of large amounts of accumulated Mn(II) is possible by MRI, quantitative measurement of the biodistribution of manganese, particularly at the trace level, can be challenging. In this study, we produced the positron-emitting radionuclide 52Mn (t1/2 = 5.6 d) by proton bombardment (Ep<15 MeV) of chromium metal, followed by solid-phase isolation by cation-exchange chromatography...
2017: PloS One
https://www.readbyqxmd.com/read/28303065/bilateral-lacrimal-caruncle-lesions
#16
Yuta Okumura, Yoshiko Takai, Shunsuke Yasuda, Hiroko Terasaki
A 65-year-old man was referred to our hospital for the treatment of a lesion on the medial lacrimal canthus of both eyes. He had a history of perinuclear anti-neutrophil cytoplasmic antibodies, i.e., pANCA-positive interstitial pneumonia. Orbital magnetic resonance imaging excluded space occupying lesions, and laboratory testing excluded thyroid-related diseases. The masses were excised, and histopathological examinations showed sebaceous gland hyperplasia and inflammatory changes around the gland. In addition, the specimen from the left eye showed a retention cyst possibly caused by an infection...
February 2017: Nagoya Journal of Medical Science
https://www.readbyqxmd.com/read/28302234/tuberculous-dactylitis-with-concomitant-thyroid-involvement-a-rare-presentation-of-childhood-tuberculosis
#17
Sobia Qamar, Farrah Naz, Samia Naz, Iftikhar Ejaz
Extrapulmonary tuberculosis rarely presents as thyroid involvement along with other manifestations, and poses a diagnostic challenge on account of paucibacillary nature of disease. In general, the diagnosis of tuberculosis is based on epidemiological risk factors, clinical features, imaging studies, in addition to a positive skin testing or Interferon Gamma Release Assay (IGRA). A 14-year boy presented with history of fever and weight loss for one year. On examination, he had painful swelling of fingers and toes along with a painless thyroid nodule and squint...
March 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28300678/magnetic-resonance-imaging-of-internal-jugular-veins-in-multiple-sclerosis-inter-observer-agreement-and-comparison-with-doppler-ultrasound-examination
#18
S J Laukontaus, J Pekkola, J Numminen, T Kagayama, M Lepäntalo, M Färkkilä, S Atula, P Tienari, M Venermo
OBJECTIVES: Doppler ultrasound (US) has been widely used to evaluate the cervical venous system of multiple sclerosis (MS) patients according to the hypothesis of chronic cerebrospinal venous insufficiency (CCSVI) with contradictory results. Venous anatomy and pathology can be examined with less operator-dependent magnetic resonance imaging (MRI). DESIGN: To assess the inter-observer agreement in measuring internal jugular vein (IJV) cross-sectional area (CSA) in MR-images and to explore the agreement between US and MRI in the detection of calibres of ≤ 0...
March 11, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28298940/image-guided-thermal-ablation-of-benign-thyroid-nodules
#19
REVIEW
Anna Pisani Mainini, Cristian Monaco, Lorenzo Carlo Pescatori, Chiara De Angelis, Francesco Sardanelli, Luca Maria Sconfienza, Giovanni Mauri
Benign thyroid nodules are a common disease in the general population. Most often, they are completely asymptomatic and discovered occasionally during routine ultrasound examinations, and do not require any treatment. When thyroid nodules become symptomatic, surgical excision is still considered standard treatment. In the last few years, several experiences in the treatment of benign thyroid nodules through image-guided percutaneous thermal ablation have been reported with encouraging results, so that currently, these treatments are often proposed as first-choice options for patients with symptomatic benign thyroid nodules...
March 2017: Journal of Ultrasound
https://www.readbyqxmd.com/read/28297688/-a-case-of-a-pituitary-adenoma-diagnosed-as-carney-complex-syndrome-in-an-older-female-patient
#20
Ai Okamoto, Daisuke Wajima, Rinsei Tei, Yasushi Shin, Misato Inoue, Shuta Aketa, Taiji Yonezawa
Carney complex syndrome is an autosomal dominant familial tumor syndrome first described by Carney et al. in 1985. The diagnostic criteria include endocrine hyperactivity and spotty skin pigmentation. A 73-year-old woman with cerebral infarction was referred to our department because her brain magnetic resonance imaging(MRI)revealed a pituitary tumor. Her blood tests revealed elevated levels of growth hormone(GH), thyroid stimulating hormone(TSH), and insulin-like growth factor-1(IGF-1). We suspected the presence of a GH-secreting tumor and performed the operation...
March 2017: No Shinkei Geka. Neurological Surgery
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