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Thyroid Ultrasound

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https://www.readbyqxmd.com/read/29031027/evaluation-of-renal-perfusion-in-hyperthyroid-cats-before-and-after-radioiodine-treatment
#1
E Stock, S Daminet, D Paepe, E Buresova, E Vandermeulen, P Smets, L Duchateau, J H Saunders, K Vanderperren
BACKGROUND: Hyperthyroidism and chronic kidney disease (CKD) are common in elderly cats. Consequently, both diseases often occur concurrently. Furthermore, renal function is affected by thyroid status. Because changes in renal perfusion play an important role in functional renal changes in hyperthyroid cats, investigation of renal perfusion may provide novel insights. OBJECTIVES: To evaluate renal perfusion in hyperthyroid cats with contrast-enhanced ultrasound (CEUS)...
October 14, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/29027612/penetrance-of-a-rare-familial-mutation-predisposing-to-papillary-thyroid-cancer
#2
Donika Saporito, Pamela Brock, Heather Hampel, Jennifer Sipos, Soledad Fernandez, Sandya Liyanarachchi, Albert de la Chapelle, Rebecca Nagy
Familial non-medullary thyroid cancer (FNMTC) is clinically defined as two or more first-degree relatives with NMTC and appears to follow an autosomal dominant inheritance pattern. Approximately 5-7% of NMTC is hereditary and affects multiple generations with a young age of onset. The primary aim of this study was to determine the age-specific penetrance of NMTC in individuals from a large family with FNMTC with a previously identified private mutation at 4q32, with a secondary aim to determine the penetrance for benign thyroid disease in this family...
October 12, 2017: Familial Cancer
https://www.readbyqxmd.com/read/29025782/olfactory-bulb-agenesis-with-normal-sexual-hormones
#3
Prayuth Tunsuriyawong, Krit Pongpirul, Tagann Chaisam, Petpring Prajuabpansri
An 18-year-old Caucasian man presented with a lack of sense of surrounding smell. The problem was first noticed when a family member discussed the smell of the food, which he had no idea what it was. The patient had normal development and sexual function, no history of trauma, surgery, chemical exposure or infection. Physical examination revealed no significant abnormalities. Smell threshold test using phenyl-ethyl-alcohol revealed bilateral anosmia. MRI showed bilateral aplastic olfactory bulbs and tracts associated with absent cortical growth of the olfactory sulci and asymmetrical gyrus rectus...
October 11, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29022643/the-efficiency-of-elastography-in-the-diagnostics-of-follicular-lesions-and-nodules-with-an-unequivocal-fna-result
#4
Martyna Wojtaszek-Nowicka, Dorota Słowińska-Klencka, Stanisław Sporny, Bożena Popowicz, Krzysztof Kuzdak, Lech Pomorski, Krzysztof Kaczka, Jan Sopiński, Mariusz Klencki
INTRODUCTION: The aim was to assess the usefulness of strain elastography (SEG) in the diagnostics of two groups of thyroid nodules (TNs): follicular lesions (FL) with low malignancy risk (< 20.0%) and low percentage of papillary carcinomas (PTCs) among cancers as well as TNs with unequivocal cytology (UC) and high percentage of PTCs among cancers. MATERIAL AND METHODS: 168 TNs were analysed and eventually surgically treated: 100 UC (50 benign and 50 malignant - 90...
October 12, 2017: Endokrynologia Polska
https://www.readbyqxmd.com/read/29017671/could-red-cell-distribution-width-be-a-marker-of-thyroid-cancer
#5
Gulali Aktas, Mustafa Sit, Ibrahim Karagoz, Edip Erkus, Bahri Ozer, Mehmet Zahid Kocak, Semih Yaman, Fatih Keyif, Rabia Altinordu, Hayri Erkol, Haluk Savli
OBJECTIVE: To study red cell distribution width (RDW) values, a novel inflammatory marker in routine hemogram, of patients with benign or malignant thyroid nodules and to compare with healthy population. STUDY DESIGN: Descriptive study. PLACE AND DURATION OF STUDY: Abant Izzet Baysal University Hospital, Bolu, Turkey, from November 2015 and February 2017. METHODOLOGY: The hemogram values of patients undergone thyroid surgery for thyroid nodule between November 2015 and February 2017 were retrospectively analyzed, and compared to those in healthy subjects...
September 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/29017315/thyroid-cytology-the-japanese-system-and-experience-at-yamashita-thyroid-hospital
#6
Shinya Satoh, Hiroyuki Yamashita, Kennichi Kakudo
In Japan, fine needle aspiration (FNA) cytology is the most important diagnostic modalities for triaging patients with thyroid nodules. A clinician (endocrinologist, endocrine surgeon, or head and neck surgeon) generally performs FNA cytology at the outpatient clinic, and ultrasound (US)-guided FNA is widespread because US is extremely common and most clinicians are familiar with it. Although almost all FNA thyroid samples are examined by certified cytopathologists and pathologists, some clinicians assess cytological specimens themselves...
October 11, 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/28994276/thyroid-fine-needle-aspiration-practice-in-the-philippines
#7
Agustina D Abelardo
Fine-needle aspiration (FNA) is a well accepted initial approach in the management of thyroid lesions. It has gone a long way since its introduction for nearly a century. In the Philippines, FNA of the thyroid started 30 years ago and has been utilized until now as a mainstay in the diagnosis of thyroid malignancy. The procedure is performed by pathologists, endocrinologists, surgeons and radiologists. Majority of pathologists report the cytodiagnosis using a combination of the aspiration biopsy cytology method that closely resembles the histopathologic diagnosis of thyroid disorders and the six-tier nomenclature of The Bethesda System for Reporting Thyroid Cytopathology...
October 5, 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/28992708/-management-of-patients-with-thyroid-nodules-american-thyroid-association-guidelines-in-the-setting-of-czech-republic
#8
Jan Jiskra
Thyroid nodules are common finding. Most of them are of benign origin without thyroid dysfunction. Diagnosis is based on evaluation of thyroid function by assessment of serum thyroid stimulating hormone, and ultrasound for the purpose to identify the nodules which should be referred to fine needle aspiration biopsy (FNAB). The nodule size, ultrasound pattern and clinical risk factors should be considered before the FNAB is performed. The FNAB results should be categorized based on the risk of malignancy to improving a standardization of the patients management and minimizing number of false negative and false positive FNAB results...
2017: Casopís Lékar̆ů C̆eských
https://www.readbyqxmd.com/read/28991565/imaging-and-screening-of-thyroid-cancer
#9
REVIEW
Qian Li, Xueying Lin, Yuhong Shao, Feixiang Xiang, Anthony E Samir
Ultrasound is the first-line diagnostic tool for diagnosis of thyroid diseases. The low aggressiveness of many thyroid cancers coupled with high sensitivity of sonography can lead to cancer diagnosis and treatment with no effect on outcomes. Ultrasound is recognized as the most important driver of thyroid cancer overdiagnosis. Ultrasound should not be used as a general screening tool and should be reserved for patients at high risk of thyroid cancer and in the diagnostic management of incidentally discovered thyroid nodules...
November 2017: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/28989887/a-pragmatic-approach-to-the-indeterminate-thyroid-nodule
#10
REVIEW
Krishna G Seshadri
Thyroid nodules are prevalent in upto 68% of randomly selected individuals in whom high resolution ultrasound is performed. The majority of nodules are benign. The use of ultrasound coupled with FNAC has dramatically reduced the number of patients who undergo surgery for nodules. The six tier Bethesda scoring system has reduced variability and increased the ability to clinicians to guide patients with thyroid nodules. There is good correlation between cytology and histopathologic outcomes. A significant proportion of patients will however fall into an indeterminate category...
September 2017: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28983667/utility-of-adult-based-ultrasound-malignancy-risk-stratifications-in-pediatric-thyroid-nodules
#11
Claudia Martinez-Rios, Alan Daneman, Lydia Bajno, Danielle C M van der Kaay, Rahim Moineddin, Jonathan D Wasserman
BACKGROUND: Individual ultrasound (US) features have limited ability to distinguish benign from malignant thyroid nodules. Adult-based systems have been developed to integrate the sonographic features in an effort to improve diagnostic accuracy. None, however, has been validated in children, in whom the likelihood of malignancy is 2-5 times higher than adults. OBJECTIVE: To assess the performance of two adult-based sonographic (US) stratification methods for assessment of thyroid nodules in children...
October 5, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28982296/shear-wave-elastography-in-thyroid-nodules-with-indeterminate-cytology-results-of-a-prospective-bicentric-study
#12
Stéphane Bardet, Renaud Ciappuccini, Claire Pellot-Barakat, Hervé Monpeyssen, Jean-Jacques Michels, Frédérique Tissier, David Blanchard, Fabrice Menegaux, Dominique De Raucourt, Muriel Lefort, Yves Reznik, Agnes Rouxel, Natacha Heutte, Frédérique Brenac, Alexandra Leconte, Camille Buffet, Bénédicte Clarisse, Laurence Leenhardt
BACKGROUND: The clinical management of thyroid nodules with indeterminate cytology (IC) remains challenging. The role of shear wave elastography (SWE) in this setting is controversial. The aim of the study was to assess the performances of SWE in terms of prediction of malignancy, reproducibility, and combined analysis with ultrasound (US) examination in thyroid nodules with IC. METHODS: This prospective study was conducted in two referral centers. Eligible patients had a thyroid nodule ≥15 mm with IC (Bethesda class III to V) for which surgery had been recommended...
October 6, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28982046/treatment-and-follow-up-in-an-asymptomatic-malignant-struma-ovarii-a-case-report
#13
Antoni Llueca, Yasmine Maazouzi, Jose Luis Herraiz, Mari Carmen Medina, Dolors Piquer, Blanca Segarra, Raquel Del Moral, Anna Serra, Guillermo Bassols
INTRODUCTION: Struma ovarii is a rare ovarian tumor, representing 0.5-1% of all ovarian tumors and 2-5% of ovarian teratomas. It is defined as an ovarian teratoma composed mostly of thyroid tissue. The symptoms are nonspecific, and the imaging studies can help in characterize the mass; however, the definitive diagnosis is usually given by the Pathologist. Classically, the treatment is the surgical resection of the ovarian mass, however there is no consensus regarding the follow-up. PRESENTATION OF CASE: An asymptomatic malignant struma ovarii in a 43 year-old patient is presented...
September 14, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28964612/management-of-the-central-compartment-in-differentiated-thyroid-carcinoma
#14
Ryan P Goepfert, Gary L Clayman
Management of differentiated thyroid carcinoma (DTC) is gradually evolving with considerations of de-escalation of treatment and/or active surveillance in a significant proportion of patients on the basis of an improved understanding of the long-term disease and functional outcomes from both surgical and non-surgical approaches. This is fueled by improved risk stratification using clinicopathologic prognostic factors as determined through high resolution ultrasound and fine needle aspiration cytology. This paper discusses general recommendations for preoperative decision-making in the management of the central compartment in DTC with particular reference to micropapillary thyroid carcinoma and encapsulated follicular variant papillary thyroid carcinoma...
September 13, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28960465/assessment-of-virtual-touch-tissue-imaging-quantification-and-the-ultrasound-thyroid-imaging-reporting-and-data-system-in-patients-with-thyroid-nodules-referred-for-biopsy
#15
Feng Mao, Hui-Xiong Xu, Hang Zhou, Xiao-Wan Bo, Xiao-Long Li, Dan-Dan Li, Bo-Ji Liu, Yi-Feng Zhang, Jun-Mei Xu, Shen Qu
OBJECTIVES: To evaluate the diagnostic performance of Virtual Touch tissue imaging quantification (VTIQ; Siemens Medical Solutions, Mountain View, CA) in combination with the Thyroid Imaging Reporting and Data System (TI-RADS) for assessing thyroid nodules referred for biopsy. METHODS: A total of 197 surgically or cytologically proven thyroid nodules in 187 patients were included. Nodules evaluated by conventional ultrasound (US) and VTIQ examinations were classified into US TI-RADS categories...
September 28, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28959134/examination-of-selective-low-pressure-fine-needle-aspiration-cytology-under-ultrasound-guidance
#16
Yuzo Shimode, Hiroyuki Tsuji, Takahiro Fukuhara, Osamu Kawakami, Toshiki Tsutsumiuchi, Takuya Noda, Kentaro Yamada, Kazuhiro Kishimoto, Satoko Nakata, Rie Terauchi, Mariko Nakano, Takayuki Nojima, Hiromi Takeuchi
Cytology by fine-needle cytology is indispensable for diagnosing head and neck tumor, especially for thyroid nodule. There are two methods of fine needle cytology; one of fine-needle aspiration cytology (FNAC and another of fine-needle non-aspiration cytology (FNNAC). These previous procedures has each disadvantage such as the mixing of blood or low yield of cells. We proposed a new technique: selective low-pressure fine needle aspiration cytology (SLOP-FNAC) to overcome the backwards of previous procedures...
September 2017: Yonago Acta Medica
https://www.readbyqxmd.com/read/28954751/unilateral-adrenal-mass-as-the-sole-initial-manifestation-of-differentiated-thyroid-cancer
#17
Geethalakshmi Sampathkumar, Arun S Menon, Bindhu M R, Vasantha Nair
Unilateral adrenal metastases without disseminated disease has rarely been reported in differentiated thyroid carcinoma (DTC). A 72-year-old female presented with vague abdominal discomfort and loss of appetite of 2 months duration. She had undergone left hemithyroidectomy for a benign thyroid nodule 18 years ago. A contrast CT of the abdomen showed a large left adrenal mass measuring 11×9 cm, suspicious of adrenocortical carcinoma. Hormonal evaluation was in keeping with a non-functional tumour. The patient underwent left adrenalectomy, histopathology of which revealed metastatic well-differentiated thyroid carcinoma...
September 27, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28954584/lessons-from-fukushima-latest-findings-of-thyroid-cancer-after-the-fukushima-nuclear-power-plant-accident
#18
Shunichi Yamashita
The increase in risk for late-onset thyroid cancer due to radiation exposure is a potential health effect after a nuclear power plant accident mainly due to the release of radioiodine in fallout. The risk is particularly elevated in those exposed during infancy and adolescence. To estimate the possibility and extent of thyroid cancer occurrence after exposure, it is of utmost importance to collect and analyze epidemiological information providing the basis for evaluation of radiation risk, and to consider radiobiology and molecular genetics...
September 27, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28953679/neuroleptic-malignant-syndrome-with-thyroid-disorder-an-unusual-case-report
#19
Fan Zhang, Parisa Kanzali, Vadim Rubin, Chris Paras, Joel Goldman
RATIONALE: Neuroleptic malignant syndrome (NMS) is a life threatening neurologic emergency associated with neuroleptic or antipsychotic agent use. NMS is rarely related to thyroid disease. PATIENT CONCERNS: We report a case of NMS in a 66-year-old male with past medical history of paranoid schizophrenia on chlorpromazine, diabetes, hypertension and asthma, who presented with a humeral fracture after a fall. Patient developed hyperpyrexia, altered consciousness, autonomic instability, elevated serum creatine kinase (CK) without rigidity...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28952808/web-based-tool-for-standardized-reporting-of-thyroid-ultrasound-studies
#20
Samuel A Stewart, Murali Rajaraman, Andreu F Costa
OBJECTIVE: Our objective was to create a user-friendly synoptically driven web-based tool for radiologists to report thyroid ultrasound studies and thereby improve the quality, completeness, and recommendations of reports. CONCLUSION: The tool, developed using JavaScript and PHP (hypertext preprocessor), provides radiologists with a way to generate complete thyroid ultrasound reports and automatically categorize thyroid nodules of varying suspicion. Future work will focus on integration with the radiology information system for seamless reporting and the development of a prospective database...
September 27, 2017: AJR. American Journal of Roentgenology
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