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histology of thyroiditis

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https://www.readbyqxmd.com/read/28928829/braf-v600e-mutation-contributes-papillary-thyroid-carcinoma-and-hashimoto-thyroiditis-with-resistance-to-thyroid-hormone-a-case-report-and-literature-review
#1
Wanjia Xing, Xiaohong Liu, Qingqing He, Zongjing Zhang, Zhaoshun Jiang
Resistance to thyroid hormone (RTH) is a rare autosomal hereditary disorder characterized by increased serum thyroid hormone (TH) levels with unsuppressed or increased thyrotropin concentration. It remains unknown whether the coexistence of RTH with papillary thyroid carcinoma (PTC) and Hashimoto thyroiditis (HT) is incidental or whether it possesses a genetic or pathophysiological association. In the present study, a case of RTH with PTC and HT in an 11-year-old Chinese patient was examined and the clinical presentation of RTH with PTC was discussed...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28923001/a-molecular-view-of-the-normal-human-thyroid-structure-and-function-reconstructed-from-its-reference-transcriptome-map
#2
Lorenza Vitale, Allison Piovesan, Francesca Antonaros, Pierluigi Strippoli, Maria Chiara Pelleri, Maria Caracausi
BACKGROUND: The thyroid is the earliest endocrine structure to appear during human development, and thyroid hormones are necessary for proper organism development, in particular for the nervous system and heart, normal growth and skeletal maturation. To date a quantitative, validated transcriptional atlas of the whole normal human thyroid does not exist and the availability of a detailed expression map might be an excellent occasion to investigate the many features of the thyroid transcriptome...
September 18, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28914964/clinicopathological-and-molecular-implications-of-aberrant-ttf-1-expression-in-colorectal-carcinomas-an-immunohistochemical-analysis-of-1-319-cases-using-three-different-antibody-clones
#3
Jeong Mo Bae, Jung Ho Kim, Jeong Hwan Park, Hye Eun Park, Nam-Yun Cho, Gyeong Hoon Kang
AIMS: The precise profile of aberrant expression of thyroid transcription factor-1 (TTF-1) according to antibody clones in colorectal carcinomas (CRCs) has been controversial. Moreover, the detailed clinicopathological and molecular features of CRCs with TTF-1 expression have rarely been investigated. Here, we evaluated the TTF-1 expression status in a large series of CRC cases using three different antibody clones. METHODS AND RESULTS: Immunohistochemistry for TTF-1 using clones 8G7G3/1, SPT24, and SP141 was performed on tumour tissues of 1,319 primary CRCs and 98 corresponding metastatic lesions...
September 15, 2017: Histopathology
https://www.readbyqxmd.com/read/28913847/incidence-malignancy-rates-of-diagnoses-and-cyto-histological-correlations-in-the-new-italian-reporting-system-for-thyroid-cytology-an-institutional-experience
#4
P Straccia, A Santoro, E D Rossi, C Brunelli, C Mosseri, T Musarra, A Pontecorvi, C P Lombardi, G Fadda
OBJECTIVE: FNA biopsy is considered as the most accurate method for the selection of patients with thyroid nodules that need for surgery or for the wait and see management. The aim of the present study is to clarify the risk of malignancy for the cytological data classified according to the 2014 Italian reporting system. METHODS: We report a retrospective analysis of 4043 patients in our institution's experience during the period April 2014 through December 2016 with the Italian reporting system for thyroid cytology...
September 15, 2017: Cytopathology: Official Journal of the British Society for Clinical Cytology
https://www.readbyqxmd.com/read/28913696/clinicopathological-risk-factors-for-distant-metastasis-in-differentiated-thyroid-carcinoma-a-meta-analysis
#5
REVIEW
Huy Gia Vuong, Uyen N P Duong, Thong Quang Pham, Hung Minh Tran, Naoki Oishi, Kunio Mochizuki, Tadao Nakazawa, Lewis Hassell, Ryohei Katoh, Tetsuo Kondo
INTRODUCTION: Distant metastasis (DM) is not a frequent event in differentiated thyroid carcinoma (DTC) but has an adverse impact on mortality of patients with DTC. In the current study, we aimed to conduct a comprehensive systematic review and meta-analysis to investigate the risk factors for DM in DTCs and for each histological subtype. METHODS: Five electronic databases were searched from inception to December 2016 for relevant articles. Pooled odd ratios and 95% confidence interval were calculated using random-effect model...
September 14, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28911147/kif5b-ret-rearrangement-in-a-carcinoma-of-the-thyroid-gland-a-case-report-of-a-fatal-disease
#6
David Viola, Carlotta Giani, Salvatore Mazzeo, Clara Ugolini, Raffaele Ciampi, Eleonora Molinaro, Laura Agate, Nicla Borrelli, Antonio Chella, Gabriella Fontanini, Fulvio Basolo, Rossella Elisei
Background: The diffuse sclerosing variant of papillary thyroid cancer (DSV-PTC) is a rare variant of papillary thyroid cancer (PTC) with different clinicopathological features compared with conventional PTC. Case: An advanced DSV-PTC was diagnosed in a 39-year-old man. The radioiodine posttherapeutic whole-body-scan showed only an uptake in the central neck, whereas the computerized tomography showed multiple latero-cervical and mediastinum lymph node metastases, a single and spiculated lung lesion and multiple bilateral cerebellum metastases...
September 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28898463/update-on-the-potential-significance-of-psammoma-bodies-in-lung-adenocarcinoma-from-a-modern-aspect
#7
Akio Miyake, Koji Okudela, Mai Matsumura, Hideaki Mitsui, Hiromasa Arai, Shigeaki Umeda, Shoji Yamanaka, Yoshihiro Ishikawa, Michihiko Tajiri, Kenichi Ohashi
AIMS: Psammoma bodies are concentrically lamellated microscopic structures of calcium. They are commonly observed in papillary carcinomas of the thyroid gland and serous papillary adenocarcinomas of the ovary, but are also occasionally detected in lung adenocarcinomas. Only one study has ever been published in 1972, which systematically described the significance of psammoma bodies in lung adenocarcinomas. We herein updated the significance of psammoma bodies in lung adenocarcinomas from a modern aspect...
September 12, 2017: Histopathology
https://www.readbyqxmd.com/read/28892180/long-term-exposure-to-bisphenol-s-damages-the-visual-system-and-reduces-the-tracking-capability-of-male-zebrafish-danio-rerio
#8
Wenmin Liu, Xiaona Zhang, Penghao Wei, Hua Tian, Wei Wang, Shaoguo Ru
Bisphenol S (BPS) is widely detected in aquatic environments and in human bodies. BPS has reproductive and thyroid disrupting effects, but its effect on the visual system remains unknown. In the present study, zebrafish embryos were exposed to BPS at concentrations of 1, 10, 100 and 1000 μg l(-1) until 120 days post-fertilization in a semistatic system, and the effect of BPS on the visual behavior was examined using the optokinetic response and the optomotor response tests in male zebrafish. The retinal histology, mRNA expression of photoreceptor opsin genes (zfrho, zfblue, zfgr1, zfred and zfuv) and apoptosis-related genes (bax and bcl-2) were also assessed...
September 11, 2017: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/28889146/celiac-disease-in-saudi-children-evaluation-of-clinical-features-and-diagnosis
#9
Anjum Saeed, Asaad Assiri, Hebah Assiri, Anhar Ullah, Mohsin Rashid
 Objectives: To characterize the clinical presentations and diagnosis including serological tests and histopathological findings in children with celiac disease. Methods: All children (less than 18 years) with confirmed celiac disease diagnosed over a 6 year period at a private tertiary care health care center in Riyadh,  Saudi Arabia were studied retrospectively. Information collected included demographics, clinical presentation and diagnostic modalities with serology and small intestinal histology reported by Marsh grading...
September 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/28881369/-molecular-pathogenesis-of-thyroid-nodules-relevance-for-clinical-care
#10
D Führer, T Musholt, K W Schmid
Thyroid nodules represent heterogeneous tumors with distinct molecular signatures. While benign thyroid nodules correspond to poly- or monoclonal tumors, thyroid carcinomas are monoclonal and thus "real" neoplasms. These are caused by somatic mutations that lead to the constitutive activation of specific signaling cascades and determine the corresponding histology and also partly the functional phenotype of the thyroid tumor. Dedifferentiation of thyroid carcinomas is accompanied by the occurrence of additional mutations in the tumors...
September 2017: Laryngo- Rhino- Otologie
https://www.readbyqxmd.com/read/28881088/ectopic-thyroid-cancer-diagnosed-by-endobronchial-ultrasound-guided-transbronchial-needle-aspiration
#11
Jingwen Hu, Ming Li, Lin Xu
We report a case of papillary carcinoma in a mediastinal ectopic thyroid diagnosed by endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA). In this case, the tumor was adjacent to the central airway; therefore, we attempted to perform EBUS-TBNA to obtain specimens for a diagnosis of papillary thyroid carcinoma. Surgical resection was conducted, and histological evaluation of the resected specimen confirmed ectopic papillary thyroid carcinoma, consistent with the histology from the EBUS-TBNA specimen...
September 7, 2017: Thoracic Cancer
https://www.readbyqxmd.com/read/28879804/evaluation-of-the-endocrine-disrupting-effects-of-homosalate-hms-and-2-ethylhexyl-4-dimethylaminobenzoate-od-paba-in-rat-pups-during-the-prenatal-lactation-and-early-postnatal-periods
#12
Meltem Erol, Ismet Çok, Özlem Bostan Gayret, Pembegül Günes, Özgül Yigit, Elif Sayman, Aysegül Günes, Duygu Sultan Çelik, Sahin Hamilçikan, Serdar Altinay, Oya Ercan
Homosalate (HMS) and 2-ethylhexyl 4-dimethylaminobenzoate (OD-PABA) are ultraviolet filters. We aimed to investigate the effects of dermal exposure to HMS and OD-PABA during the prenatal, lactation, and early infancy periods on pubertal development and thyroid function in male and female rats. The thyroid glands, uteri, testes, prostate glands, and seminal vesicles were excised and weighed, the reproductive organs were analyzed histologically, and the serum hormone levels were measured. In the prenatal period, the thyroxine (T4) levels increased in the female rats in the exposed groups ( p < 0...
January 1, 2017: Toxicology and Industrial Health
https://www.readbyqxmd.com/read/28879586/multiple-myeloma-presenting-as-massive-amyloid-deposition-in-a-parathyroid-gland-associated-with-amyloid-goiter-a-medullary-thyroid-carcinoma-mimic-on-intra-operative-frozen-section
#13
Kirk Hill, Jason Diaz, Ian S Hagemann, Rebecca D Chernock
Clinical examples of amyloid deposition in parathyroid glands are exceedingly rare and usually present as an incidental finding in a patient with amyloid goiter. Here, we present the first histologically documented case of parathyroid amyloid deposition that presented as a mass. The patient did not have hyperparathyroidism. The parathyroid gland was submitted for intra-operative frozen section and concern for medullary thyroid carcinoma was raised. An important histologic clue arguing against medullary thyroid carcinoma was the evenly dispersed nature of the amyloid...
September 6, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28879559/yonsei-experience-of-5000-gasless-transaxillary-robotic-thyroidectomies
#14
Min Jhi Kim, Kee-Hyun Nam, Seul Gi Lee, Jung Bum Choi, Tae Hyung Kim, Cho Rok Lee, Jandee Lee, Sang-Wook Kang, Jong Ju Jeong, Woong Youn Chung
BACKGROUND: Since the use of robot systems in thyroid surgery was introduced in 2007, we have advanced a novel method of robotic thyroidectomy (RT) using a gasless transaxillary approach (TAA). We report our experience with this technique and detail the surgical outcome of 5000 robotic thyroidectomies. METHODS: From October 2007 to May 2016, we successfully performed 5000 robotic thyroidectomies using a gasless TAA at the Department of Surgery, Yonsei University Health System...
September 6, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28878011/nondestructive-tissue-analysis-for-ex-vivo-and-in-vivo-cancer-diagnosis-using-a-handheld-mass-spectrometry-system
#15
Jialing Zhang, John Rector, John Q Lin, Jonathan H Young, Marta Sans, Nitesh Katta, Noah Giese, Wendong Yu, Chandandeep Nagi, James Suliburk, Jinsong Liu, Alena Bensussan, Rachel J DeHoog, Kyana Y Garza, Benjamin Ludolph, Anna G Sorace, Anum Syed, Aydin Zahedivash, Thomas E Milner, Livia S Eberlin
Conventional methods for histopathologic tissue diagnosis are labor- and time-intensive and can delay decision-making during diagnostic and therapeutic procedures. We report the development of an automated and biocompatible handheld mass spectrometry device for rapid and nondestructive diagnosis of human cancer tissues. The device, named MasSpec Pen, enables controlled and automated delivery of a discrete water droplet to a tissue surface for efficient extraction of biomolecules. We used the MasSpec Pen for ex vivo molecular analysis of 20 human cancer thin tissue sections and 253 human patient tissue samples including normal and cancerous tissues from breast, lung, thyroid, and ovary...
September 6, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28876588/postoperative-transient-hypoparathyroidism-incidence-and-risk-factors-a-south-african-perspective
#16
J Downs, K Wilson, F Made, F Malherbe, E Panieri, L Cairncross
BACKGROUND: There is limited published data on the incidence and risk factors for developing postoperative hypoparathyroidism (POHP) in the South African setting. METHOD: All patients who underwent a total thyroidectomy or completion thyroid lobectomy at an academic referral centre from January 2010 to December 2015 were included in this study. Data reviewed included post-operative parathyroid hormone (iPTH) level within 24 hours of surgery, age, gender, type of operation and lymphadenectomy if performed, size and weight of thyroid glands resected, final histological diagnosis, presence of extracapsular extension of carcinomas, number of lymph nodes resected, and the number of parathyroids present in the histology specimen...
September 2017: South African Journal of Surgery. Suid-Afrikaanse Tydskrif Vir Chirurgie
https://www.readbyqxmd.com/read/28876578/thyroid-cancer-consequences-of-iodine-deficiency-a-persisting-worldwide-problem-characteristics-in-different-populations-portugal-and-south-africa
#17
J E Santos
BACKGROUND: Iodine deficiency (ID) still affects over two billion people worldwide (266 million school aged children). Pathology patterns in ID include: increase in thyroid cancer, higher percentages of follicular and anaplastic cancers and inversion of the papillary/follicular thyroid cancer frequency ratio. China succeeded in eliminating ID through legislation introduced in 1987 aimed at availability of iodized salt countrywide and South Africa through legislation introduced in 1995...
September 2017: South African Journal of Surgery. Suid-Afrikaanse Tydskrif Vir Chirurgie
https://www.readbyqxmd.com/read/28875268/high-prevalence-of-papillary-thyroid-carcinoma-in-nodular-hashimoto-s-thyroiditis-at-the-first-diagnosis-and-during-the-follow-up
#18
F Boi, F Pani, P G Calò, M L Lai, S Mariotti
BACKGROUND: The association between Hashimoto's thyroiditis (HT) and papillary thyroid carcinoma (PTC) remains to be elucidated. MATERIALS AND METHODS: A total of 484 HT patients were retrospectively subdivided into two groups: 243 without thyroid nodules, TNs (HTN-) and 241 with TNs (HTN+). Fine-needle aspiration cytology was available in 152 HTN+ patients. This group was compared to a group of 161 patients with nodular goiter (NG) without HT. Finally, 70 HTN+ and 37 NG patients underwent surgery...
September 5, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28871709/unusual-presentations-of-carney-complex-in-patient-with-a-novel-prkar1a-mutation
#19
Safak Akin, Senem Noyan, Selcuk Dagdelen, Ilhan Pasaoglu, Volkan Kaynaroglu, Melike Mut Askun, Cenk Yucel Bilen, Hayyam Kiratli, Dilek Ertoy Baydar, Sevgen Onder, Cenk Sokmensuer, Kudret Aytemir, Gul Erkin, Pinar Ozgen Kiratli, Mehmet Alikasifoglu, Tomris Erbas
Carney Complex (CNC) is a multiple neoplasia syndrome characterized by skin tumors and pigmented lesions, myxomas, and various endocrine tumors. The aim of this case report was to describe a case of CNC with a novel PRKAR1A mutation. A man aged 46 years with a medical history of surgery for cardiac myxomas at the age of 39 was admitted to our hospital because of four newly-developed heart masses. The histologic examination confirmed cardiac myxomas. He had many presentations of CNC such as growth hormone (GH) and prolactin (PRL)-secreting mixed pituitary adenoma, benign thyroid nodule, large-cell calcifying Sertoli cell tumor (LCCST), and superficial angiomyxoma...
August 5, 2017: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/28869887/chronic-toxicity-of-1-3-5-triazine-herbicides-in-the-postembryonic-development-of-the-western-clawed-frog-silurana-tropicalis
#20
Masahiro Saka, Noriko Tada, Yoichi Kamata
Seven 1,3,5- triazine (s-triazine) herbicides (ametryn, prometryn, dimethametryn, simazine, atrazine, propazine, and cyanazine) were tested using an amphibian (Silurana tropicalis) metamorphosis assay focusing on morphometric, gravimetric, and thyroid-histological endpoints. Premetamorphic tadpoles were exposed to each s-triazine at 2 concentrations between 1/1000 and 1/10 of the 96-h acute toxicity values, until all tadpoles in the control group reached either the late prometamorphosic stages or the initial stage of metamorphic climax...
September 1, 2017: Ecotoxicology and Environmental Safety
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