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thyroid pathology

Sonia Merino, Nekane Ibarluzea, Hiart Maortua, Begoña Prieto, Idoia Rouco, Maria-Asunción López-Aríztegui, Maria-Isabel Tejada
Fragile X-associated tremor/ataxia syndrome (FXTAS) and fragile X-associated primary ovarian insufficiency (FXPOI) are definitely related to the fragile X mental retardation 1 (FMR1) premutation (PM). Additional medical problems have also been associated with the PM, such as fibromyalgia, endocrine, and psychiatric disorders. To improve our understanding in the field, we reviewed all PM carriers and their reasons for any medical referrals from 104 fragile X families molecularly diagnosed in our laboratory and living in the Spanish Basque Country...
October 21, 2016: Genes
Do Hoon Koo, KwangSeop Song, Hyungju Kwon, Dong Sik Bae, Ji-Hoon Kim, Hye Sook Min, Kyu Eun Lee, Yeo-Kyu Youn
Background. Fine-needle aspiration cytology (FNAC) is diagnostic standard for thyroid nodules. However, the influence of size on FNAC accuracy remains unclear especially in too small or too large thyroid nodules. The objective of this retrospective cohort study was to investigate the effect of nodule size on FNAC accuracy. Methods. All consecutive patients who underwent thyroidectomy for nodules in 2010 were enrolled. FNAC results (according to the Bethesda system) were compared to pathological diagnosis. The nodules were categorized into groups A-E on the basis of maximal diameter on ultrasound (≤0...
2016: International Journal of Endocrinology
Kalin Vidinov, Dragomira Nikolova
In recent years, there are numerous reports indicating the presence of familial papillary carcinoma. Unfortunately, no genetic defect can be linked directly to the disease. In this study, we set the goal to make a retrospective analysis of the cases with papillary carcinoma in the Department of Endocrine Surgery for the past 10 years, to compare the characteristics of sporadic and familial forms of the disease and to find families with hereditary papillary carcinoma. The study included 810 patients treated for thyroid cancer in the Department of Endocrine Surgery, USBALE "Acad...
October 22, 2016: Endocrine Pathology
Claudio Bassot, Giovanni Minervini, Emanuela Leonardi, Silvio C E Tosatto
Human pendrin (SLC26A4) is an anion transporter mostly expressed in the inner ear, thyroid and kidney. SLC26A4 gene mutations are associated with a broad phenotypic spectrum, including Pendred Syndrome and non-syndromic hearing loss with enlarged vestibular aqueduct (ns-EVA). No experimental structure of pendrin is currently available, making phenotype-genotype correlations difficult as predictions of transmembrane (TM) segments vary in number. Here, we propose a novel three-dimensional (3D) pendrin transmembrane domain model based on the SLC26Dg transporter...
October 19, 2016: Biochimie
Zahraa Al-Hilli, Veljko Strajina, Travis J McKenzie, Geoffrey B Thompson, David R Farley, Melanie L Richards
BACKGROUND: Lateral neck dissection (LND) for papillary thyroid cancer (PTC) transitioned from isolated lymphadenectomy or "berry picking" based on clinical examination to multicompartment lymphadenectomy. We aimed to assess ultrasound (US) as a predictor of solitary (SLN) or multiple lymph node (MLN) metastases. METHODS: Demographics, US findings, extent of LND, and pathology were collected in patients with PTC who underwent LND. US sensitivity and specificity were calculated, and accuracy was correlated with US findings and patient characteristics...
September 29, 2016: American Journal of Surgery
K Wolinski, A Stangierski, K Dyrda, K Nowicka, M Pelka, A Iqbal, A Car, M Lazizi, N Bednarek, A Czarnywojtek, E Gurgul, M Ruchala
PURPOSE: Acromegaly is a chronic disease resulting from pathological oversecretion of growth hormone and subsequently insulin growth factor-1. Several complications of the disease have been reported, including cardiovascular diseases, respiratory disorders but also increased risk of benign and malignant neoplasms. The aim of the study was to evaluate the risk of malignant neoplasms in the patients with acromegaly in comparison with the control group. PATIENTS AND METHODS: Medical documentation of acromegalic patients treated in one medical center between 2005 and 2016 has been analyzed...
October 21, 2016: Journal of Endocrinological Investigation
Michele M Merten, M Regina Castro, Jun Zhang, Jolanta M Durski, Mabel Ryder
BACKGROUND: Cytologically defined indeterminate thyroid nodules are a diagnostic challenge. Surgical lobectomy remains gold standard for definitive diagnosis, however, 70-85% of nodules are ultimately benign. The primary objective of this study was to evaluate the negative predictive value (NPV) of F18-Fluorodeoxyglucose (FDG) positron emission computed tomography (PET/CT) in excluding cancer among cytologically indeterminate thyroid nodules within our institution using surgical pathology as a gold standard reference and to perform a systematic review of published prospective studies on the NPV of PET/CT in evaluating indeterminate thyroid nodules...
October 20, 2016: Thyroid: Official Journal of the American Thyroid Association
Khalid H Al-Qahtani, Mutahir A Tunio, Mushabbab Al Asiri, Yasser Bayoumi, Walaa A Alshehri, Naji J Aljohani, Ahmed Amir Ali, Hanadi Fatani
To evaluate the clinicopathological features and treatment outcomes of papillary thyroid carcinoma tall cell variant (PTC-TCV) in Saudi population. Methods: This retrospective study were medical records of 776 treated PTC patients between December 2007 and 2015, at King Fahad Medical City and King Khalid University Hospital, Riyadh, Kingdom of Saudi Arabia was probed for PTC-TCV. Total 42 (5.4%) patients were found to have PTC-TCV, which were investigated for demographic, symptoms, histopathological features, and treatment outcomes locoregional control (LRC), distant metastasis control (DMC), disease free survival (DFS), and overall survival (OS) rates...
November 2016: Saudi Medical Journal
Kazuhiko Yoshimatsu, Hajime Yokomizo, Yuki Yano, Sachiyo Okayama, Masaya Satake, Yasufumi Yamada, Shunichi Shiozawa, Takeshi Shimakawa, Takao Katsube, Shungo Endo, Hiroyuki Kato, Yoshihiko Naritaka
A 57-year-old woman had been diagnosed with sigmoid colon cancer at surgery for ovarian cancer, and underwent simultaneous radical resection. Because of the pathological diagnosis of sigmoid cancer with ovarian metastasis, adjuvant chemotherapy was scheduled, with Leucovorin(LV)25 mg. This was immediately followed with 5-fluorouracil(5-FU)500 mg, via a 2-hour systemic intravenous infusion daily for 5 consecutive days, with courses repeated at 5 weeks, followed by maintenance once every 1 or 2 weeks for 2 years...
October 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
C X Cong, J Y Lin, L H Wang
Objective: To observe the clinical and pathological features of uveal metastatic carcinoma. Methods: It was a retrospective case series study. The clinical manifestation, growth pattern, tumor types and relative pathological features of 13 patients visiting from January 1980 to December 2014 with uveal metastatic carcinoma in Tianjin Eye Hospital were analyzed retrospectively. Results: There were 13 cases, 6 cases of male and 7 of female. Age was from 37.0 to 66.0 years old. The mean age was 52.1 years old...
October 11, 2016: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
X Chen, F X Dou, X B Cheng, A T Guo, H Y Shi
Objective: To study the clinicopathologic features of thyroid-like follicular renal cell carcinoma. Methods: Clinical data were collected in 5 cases of thyroid-like follicular renal cell carcinoma. HE staining and immunohistochemistry were carried out in surgically-removed specimen to analyze the clinical and pathological features with review of the literatures. Results: The patients aged 20-55 years, with one male and four females; the tumor occurred in the left kidney in three cases and right kidney in two cases...
October 8, 2016: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
Wenbin Yu, Lijun Zhu, Guohui Xu, Yuntao Song, Guojun Li, Naisong Zhang
As a novel type of lymphatic tracer, carbon nanoparticles (CNs) were reported not to stain parathyroid glands (PGs) into black, so it may have a clinical potential in protection of PGs during thyroidectomy. The purpose of this study was to investigate the clinical application and significance of CN in protection of PGs from surrounding tissues.A total of 82 consecutive patients were enrolled into this study and were divided into CN group and control group. Parathyroid function (hypoparathyroidism and hypocalcemia) was evaluated...
October 2016: Medicine (Baltimore)
James C Lee, Paula Chang, Simon Grodski, Meei Yeung, William Johnson, Jonathan Serpell
BACKGROUND: The American Thyroid Association (ATA) management guidelines for thyroid cancer were revised in 2009. The aim of this study was to determine if management of thyroid cancer in our institution has changed in accordance with the introduction of the revised ATA guidelines (ATA(2009) ), and to compare the characteristics and management of thyroid cancer in a Melbourne endocrine surgery unit over a 7-year period. METHODS: All patients treated by the Monash University Endocrine Surgery Unit for thyroid cancer between 2007 and 2013 were divided into two groups - the pre-ATA(2009) group (2007-2010) and the post-ATA(2009) group (2011-2013)...
October 18, 2016: ANZ Journal of Surgery
Yoko Kojima, Koji Okudela, Mai Matsumura, Takahiro Omori, Tomohisa Baba, Akimasa Sekine, Tetsukan Woo, Shigeaki Umeda, Tamiko Takemura, Hideaki Mitsui, Takehisa Suzuki, Yoko Tateishi, Tae Iwasawa, Hiromasa Arai, Michihiko Tajiri, Takashi Ogura, Yoichi Kameda, Munetaka Masuda, Kenich Ohashi
AIMS: To investigate the pathological features of idiopathic interstitial pneumonia (IIP) - associated pulmonary adenocarcinoma. METHODS: Surgically resected adenocarcinomas associated with IIP (the IIP group) and adenocarcinomas without IIP (the non-IIP group) were subjected. We here further focused on adenocarcinomas that developed in the honeycomb lesions. Adenocarcinomas in the IIP group were subdivided into two groups, one group included tumors connected to bronchiolar metaplasia in honeycomb lesions (the H-IIP group) and the other included tumors unrelated to honeycomb lesions (the NH-IIP group)...
October 19, 2016: Histopathology
Clara Ugolini, Nicla Borrelli, Cristina Niccoli, Rossella Elisei, David Viola, Paolo Vitti, Paolo Miccoli, Fulvio Basolo
CONTEXT: Yes-associated protein-1 (YAP-1) is a player of the Hippo pathway and is involved in regulating cell proliferation. YAP-1 is overexpressed in papillary and anaplastic thyroid cancers. However, a correlation between YAP-1 expression and outcome in thyroid carcinoma has not been conclusively demonstrated. OBJECTIVE: This study was designed to clarify whether YAP-1 may be considered a marker of worse prognosis and outcome in thyroid cancer. DESIGN: A large series of cases of thyroid cancer with a long follow-up were investigated for YAP-1 expression...
October 7, 2016: Applied Immunohistochemistry & Molecular Morphology: AIMM
Vina Pulido, Shin Yin Lee, Naomi Yu Ko
In the era of precision medicine and targeted therapy, diagnostic inaccuracy can have tremendous ramifications. We present the case of a 61-year-old man initially diagnosed with small cell lung cancer by pathology. Prior to initiating chemotherapy, multidisciplinary discussions led to an amendment of the diagnosis to medullary thyroid cancer.
May 2016: Case Reports in Oncology
Javier López-Gómez, Ma Alejandra Salazar-Álvarez, Martin Granados-Garcia
INTRODUCTION: Thyroglosal duct cyst is a common anomaly with an incidence of 7% in adults, the rate of carcinoma in TGDC is 0.7-1.6%, and are extremely rare those originated in the hyoid bone. PRESENTATION OF CASE: A 60 years old male patient, had a hard mass in the anterior neck. CT revealed a hyoid tumor. Hyoid bone resection was performed, the pathological report show a conventional papillary carcinoma in bone tissue. We rule out primary tumor in thyroid gland...
September 29, 2016: International Journal of Surgery Case Reports
Xuemei Gao, Xiao Zhang, Yajing Zhang, Wenjuan Hua, Yusufu Maimaiti, Zairong Gao
The increasing detection of papillary thyroid microcarcinoma (PTMC) has created management dilemmas. To clarify the clinical significance of postsurgery stimulated thyroglobulin (ps-Tg) in PTMC who undergo thyroidectomy and radioactive iodine (RAI), we retrospectively reviewed the 358 PTMC patients who were treated with RAI and followed up in our hospital. Those with an excessive anti-Tg antibody, ultrasound-detected residual were excluded, thereby resulting in the inclusion of 280 cases. Their clinical and histopathological information and clinical outcomes were collected and summarized...
October 2016: Medicine (Baltimore)
Ana Kober Nogueira Leite, Marco Aurélio Vamondes Kulcsar, Beatriz de Godoi Cavalheiro, Evandro Sobroza de Mello, Venâncio Avancini F Alves, Claudio Roberto Cernea, Leandro Luongo Matos
OBJECTIVE: The purpose of the present study was to investigate the predictive factors for worse disease-specific survival in patients with pulmonary disease secondary to differentiated thyroid cancer. METHODS: This was a retrospective cohort study conducted over a 5-year period that included 54 patients with pulmonary disease secondary to DTC during the follow-up. Among these patients, 13 (24.1%) died from the disease. Dedifferentiation characteristics were identified at pathological examination of the metastatic disease (lymph node or distant metastases), and was defined as the abrupt transformation of a well-differentiated tumor into high grade morphology that lacks the original distinct histologic characteristics...
October 17, 2016: Endocrine Practice
Lin-Yun He, Wei-Wei Wang, Balde Alpha Ibrahima, Shuai Han, Zhou Li, Zhai Cai, Miao-Liang Chen, Bao-Zhu Chen, Hui-Shi Tan, Hai-Shan Zeng, Xiao-Li Dai, Min-Wei Zhou, Gang-Qing Zhang, Guo-Xin Li
Although the prognostic value of nodal metastases in differentiated thyroid cancer remains controversial, it is of interest to evaluate and understand the different characteristics of predictive outcomes.A multicenter retrospective study was conducted in 215 untreated patients with differentiated thyroid cancer from July 1997 to July 2015 in 4 medical centers of Guangdong Province. A total of 107 patients with nodal metastases (group A) were compared to 108 patients without metastases (group B). The 5-year disease-free survival (DFS), overall survival (OS), and postoperative complications in both groups were calculated...
October 2016: Medicine (Baltimore)
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