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https://www.readbyqxmd.com/read/28821194/primary-benign-and-malignant-thyroid-neoplasms-with-signet-ring-cells-cytologic-histologic-and-molecular-features
#1
Nada A Farhat, Ayse M Onenerk, Jeffrey F Krane, Dora Dias-Santagata, Peter M Sadow, William C Faquin
Objectives: Signet ring cells (SRCs) can be seen in a variety of thyroid tumors and can pose a diagnostic pitfall on cytology. This study describes the cytologic, histomorphologic, and molecular aspects of a cohort of primary thyroid tumors with SRCs. Methods: A search was performed of the Massachusetts General Hospital and Brigham and Women's Hospital (Boston, MA) pathology archives for the keywords thyroid, signet, and signet ring features between 2000 and 2014...
September 1, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28819755/importance-of-fna-technique-for-decreasing-non-diagnostic-rates-in-thyroid-nodules
#2
Amarbir S Gill, Richard Amdur, Arjun S Joshi
To identify potential interventions that may lower the high non-diagnostic rates associated with ultrasound guided (US) fine needle aspiration (FNA) biopsy of the thyroid nodule. A case series of 164 thyroid nodule US-guided FNA was identified retrospectively. The following variables were analyzed in regards to diagnostic and non-diagnostic sampling: patient age, gender, size of nodule, biopsy technique (capillary vs. aspiration), needle gauge (23 vs. 25), and physician experience. The FNA diagnosis, and final pathology, when applicable, was recorded for each sample using the Bethesda criteria...
August 17, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28818092/associations-of-thyroid-hormone-serum-levels-with-in-vivo-alzheimer-s-disease-pathologies
#3
Hyo Jung Choi, Min Soo Byun, Dahyun Yi, Bo Kyung Sohn, Jun Ho Lee, Jun-Young Lee, Yu Kyung Kim, Dong Young Lee
BACKGROUND: The present study investigated the relationships between thyroid hormone serum levels or thyroid-stimulating hormone (TSH) and two Alzheimer's disease (AD)-specific biomarkers, cerebral amyloid beta (Aβ) burden and glucose metabolism, in AD-signature brain regions in cognitively normal (CN) middle-aged and older individuals. METHODS: This study assessed 148 CN individuals who received comprehensive clinical and neuropsychological assessments that included (11)C-Pittsburgh Compound B (PiB)-positron emission tomography (PET) scans, (18)F-deoxyglucose (FDG)-PET scans, and the quantification of serum triiodothyronine (T3), free T3, free thyroxine (fT4), and TSH levels...
August 17, 2017: Alzheimer's Research & Therapy
https://www.readbyqxmd.com/read/28814251/the-role-of-radiopharmaceuticals-in-amiodarone-induced-thyroid-pathology
#4
Doina Piciu, Alexandru Irimie
Amiodarone is a di-iodinated benzofuran derivative and is classified as a class III antiarrhythmic agent. It is one of the most powerful and effective antiarrhythmics, being a first-line agent due to its ability to treat ventricular and supraventricular dysrhythmias; since 1960 the drug has become one of the most frequently prescribed antiarrhythmics, despite its potentially serious, side effects. By far, one of the most challenging condition is the thyroid pathology induced by this drug. Each 200 mg tablet of amiodarone contains approximately 75 mg of iodine, 3-10% from each tablet being released as free iodine...
August 16, 2017: Current Radiopharmaceuticals
https://www.readbyqxmd.com/read/28812921/a-case-of-concurrent-silent-sinus-syndrome-thyroid-eye-disease-idiopathic-orbital-inflammatory-syndrome-and-dacryoadenitis
#5
Wen-Shi Shieh, Alison B Huggins, Mindy R Rabinowitz, Marc R Rosen, Michael P Rabinowitz
This is a retrospective case description of a single female patient found to have concomitant bilateral silent sinus syndrome, bilateral thyroid eye disease, unilateral dacryoadenitis, and idiopathic orbital inflammation that presented as progressive unilateral right-sided proptosis. The spectrum of inflammatory orbital diseases can make discerning between different entities challenging, but more unique in this case was the simultaneous presentation with bilateral silent sinus syndrome, a rare entity in its own right...
August 16, 2017: Orbit
https://www.readbyqxmd.com/read/28811803/a-study-of-galactin-3-on-fine-needle-aspiration-as-a-diagnostic-marker-differentiating-benign-from-malignant-thyroid-neoplasm
#6
Alliya Muzafar, Mulazim Hussain Bukhari, Ihtesham Uddin Qureshi
BACKGROUND & OBJECTIVE: Thyroid nodules are very common in our setup and their diagnosis on fine needle aspiration is not easy and is a taxing affair. It is a challenge to differentiate between follicular adenoma and follicular carcinoma without histology. Our objective was to investigate the role of Galectin-3 in fine needle aspirates of thyroid nodules as a prospective diagnostic marker and consequently its ability to differentiate benign from malignant neoplasms. METHODS: The research was conducted at the department of Pathology, King Edward Medical University, in association with other teaching institutions of Lahore from June 2012 to July 2014...
May 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28807198/encapsulated-follicular-variant-of-papillary-thyroid-cancer-are-these-tumors-really-benign
#7
Zviadi Aburjania, Samuel Jang, Celina Montemayor-Garcia, Ricardo V Lloyd, David F Schneider, Rebecca S Sippel, Herbert Chen, Dawn M Elfenbein
BACKGROUND: Recent studies suggest that the encapsulated form of follicular variant of papillary thyroid cancer (eFVPTC) behaves more similarly to benign lesions and can be treated with thyroid lobectomy alone instead of total thyroidectomy. To distinguish aggressive cancers from more benign lesions more clearly, the objective of this study was to determine if the eFVPTC behaves less aggressively than the nonencapsulated variant (neFVPTC). METHODS: A prospectively collected endocrine surgery database in our institution was reviewed for all patients with FVPTC on surgical pathology from 1999 to 2012...
August 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28806249/epidural-metastases-from-follicular-thyroid-cancer-mimicking-meningiomas-in-68ga-dotatate-pet
#8
Marcus Unterrainer, Harun Ilhan, Andrei Todica, Peter Bartenstein, Nathalie Lisa Albert
We report a woman with multifocal lesions suggestive of meningiomas in MRI, which also presented with high Ga-DOTATATE uptake in PET, a finding characteristic for meningioma. A whole-body staging due to a pathological fracture revealed multiple neoplastic lesions throughout the body without detection of a primary site. Subsequent pathological workup of a lung lesion revealed multifocal metastases from follicular thyroid cancer despite thyroidectomy 10 years ago (without pathological finding), and posttreatment scans after radioiodine therapy confirmed the multiple brain lesions to be metastases as well...
August 12, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28806247/glomus-tumor-of-the-neck-detected-with-99mtc-edda-hynic-toc
#9
Neva Girotto, Tatjana Bogović-Crnčić, Svjetlana Grbac-Ivanković, Petra Valković-Zujić
A 54-year-old woman was referred to thyroid evaluation because of a lump on the left side of the neck. Ultrasound exam did not show any thyroid abnormality, but highly perfused nodule at the left common carotid artery bifurcation was found. Because of the specific location, somatostatin receptor scintigraphy with Tc EDDA HYNIC-TOC was performed, starting with perfusion images and followed with SPECT/CT imaging at 2 and 4 hours. Well-perfused nodule with intensive accumulation and no other visible pathology in the body raised suspicion of a glomus tumor, consistent with MR exam performed later...
August 12, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28801882/patients-with-non-invasive-follicular-thyroid-neoplasm-with-papillary-like-nuclear-features-are-unlikely-to-have-malignant-preoperative-cytology
#10
Richa Singh, Jorge Avila, Kahee Jo, Kevin T K Nguyen, Nika Roa Carrillo, Eric C Huang, Michael J Campbell
BACKGROUND: The newly termed tumor 'noninvasive follicular thyroid neoplasm with papillary-like nuclear features' (NIFTP) acts in an indolent manner and can likely be safely managed with a thyroid lobectomy. Preoperative fine-needle aspiration (FNA) is the cornerstone of surgical planning, but the ability of FNA to distinguish NIFTP from other variants of papillary thyroid carcinoma (PTC) has not been well-evaluated. METHODS: A 9-year retrospective review of the preoperative cytology and surgical pathology of PTC patients who underwent a thyroidectomy at our tertiary referral center...
August 11, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28801060/prognostic-markers-in-well-differentiated-papillary-and-follicular-thyroid-cancer-wdtc
#11
REVIEW
S L Gillanders, J P O'Neill
OBJECTIVES: WDTC (papillary and follicular thyroid cancer) make up around 90% of all thyroid tumours. Overall, the prognosis in patients with WDTC is excellent. However, there are small cohorts of patients who experience a more aggressive form of disease which is often associated with certain poor prognostic factors. Identifying these patients at an early stage is imperative for guiding treatment decisions. With recent developments in this area we plan to discuss the current evidence surrounding prognostic markers...
August 3, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28794344/papillary-thyroid-carcinoma-with-desmoid-type-fibromatosis-a-clinical-pathological-and-immunohistochemical-study-of-14-cases
#12
Nami Takada, Mitsuyoshi Hirokawa, Masahiro Ito, Aki Ito, Ayana Suzuki, Miyoko Higuchi, Seiji Kuma, Toshitetsu Hayashi, Masao Kishikawa, Shuichi Horikawa, Akira Miyauchi
Papillary thyroid carcinoma (PTC) with desmoid-type fibromatosis (DTF) is characterized by genetic alterations of the fibroblasts. However, PTC-DTF is extremely rare, and the reports on such cases have been sporadic. Immunohistochemical staining using the antibody for beta-catenin is useful in diagnosing the variant. This report aims to describe the clinical, pathological, and immunohistochemical findings in 14 cases of PTC-DTF and to clarify the diagnostic significance of the variant. The patients included 9 women and 5 men, with a mean age of 49...
August 10, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28794003/antenatal-early-postnatal-hypothyroidism-alters-arterial-tone-regulation-in-2-week-old-rats
#13
Svetlana I Sofronova, Dina K Gaynullina, Anastasia A Shvetsova, Anna A Borzykh, Ekaterina K Selivanova, Anna P Sharova, Andrey A Martyanov, Olga S Tarasova
The mechanisms of vascular alterations resulting from early thyroid hormones deficiency are poorly understood. We tested the hypothesis that antenatal/early postnatal hypothyroidism would alter the activity of endothelial NO-pathway and Rho-kinase pathway, which are specific for developing vasculature. Dams were treated with propylthiouracil (PTU, 7 ppm) in drinking water during gestation and 2 weeks after delivery, their progeny had normal body weight but markedly reduced blood levels of thyroid hormones (ELISA)...
August 9, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28793848/18f-fdg-pet-ct-may-exclude-malignancy-in-sonographically-suspicious-and-scintigraphically-hypofunctional-thyroid-nodules-and-reduce-unnecessary-thyroid-surgeries
#14
Marcus Ruhlmann, Jürgen Ruhlmann, Rainer Görges, Ken Herrmann, Gerald Antoch, Hans-Wilhelm Keller, Verena Ruhlmann
BACKGROUND: The aim of this study was to evaluate whether [18F]-fluorodeoxyglucose positron emission tomography/computed tomography (FDG-PET/CT) is useful in the further characterization of sonographically suspicious and scintigraphically hypofunctional thyroid nodules. METHODS: 65 patients with a sonographically suspicious thyroid nodules that were hypofunctional on 99m-Tc-pertechnetate scintigraphy (diameter > 1 cm) were retrospectively analyzed. All patients underwent evaluation with FDG-PET/CT...
August 10, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28790241/-amyloidoma-adjacent-to-the-thoracic-vertebral-body-developed-into-systemic-amyloid-light-chain-amyloidosis
#15
Kyoko Tanaka, Hideto Goto, Shuhei Ikeda, Nami Masumoto, Katsuya Watanabe, Motofumi Tsubakihara
Amyloidoma is very rare case of amyloidosis, and seldom develop into systemic disease. We report a case of an 82-year-old man who was referred to our hospital because of an oppressive feeling in the upper chest. Chest computed tomography showed a tumor on thoracic vertebral body. Percutaneous needle biopsy showed pathological findings of AL amyloidosis. No obvious systemic finding was confirmed, and the tumor was diagnosed as amyloidoma. After a 1-year observation, heart amyloidosis was appeared, then 6 months later he died...
August 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28782127/crucial-parameters-in-thyroid-carcinoma-reporting-challenges-controversies-and-clinical-implications
#16
Bin Xu, Ronald Ghossein
In the modern era, a pathology report of thyroid carcinoma requires the inclusion of numerous prognostically relevant histopathologic features, e.g. the presence and extent of vascular and capsular invasion, extrathyroidal extension, the surgical margin status, and the characteristics of nodal metastasis. These pathologic features are crucial components of the initial risk stratification to determine the need for completion thyroidectomy and/or post-operative radioactive iodine ablation therapy. The current review aims to summarize the diagnostic criteria, the controversies, the prognostic impacts, and the challenges of these pathologic characteristics, focusing specifically on the parameters that are incorporated into the American Joint Committee on Cancer (AJCC) staging system, College of American Pathologists (CAP) reporting template, American Thyroid Association (ATA), and National Comprehensive Cancer Network (NCCN) guidelines...
August 7, 2017: Histopathology
https://www.readbyqxmd.com/read/28781308/systemic-sarcoidosis-with-thyroid-involvement
#17
Hideyuki Okuma, Koshi Hashimoto, Xin Wang, Noriaki Ohkiba, Nozomi Murooka, Norikazu Akizuki, Takeshi Inazawa, Yoshihiro Ogawa
A 66-year-old woman, who was diagnosed with iritis, visited our hospital due to general malaise. A blood analysis revealed hypercalcemia. Computed tomography revealed mediastinal and hilar lymph node hyperplasia. Moreover, (67)Gallium scintigraphy demonstrated strong accumulation in the lesions, suggesting sarcoidosis. A core needle biopsy (CNB) of the hypoechoic areas of the thyroid was performed because the patient refused to undergo a bronchoscopic examination. The scattering of slightly acidophilic epithelioid cell granulomas was observed in the pathological examination of the biopsy specimen...
August 1, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28781255/-pharmacological-approaches-for-correction-of-thyroid-dysfunctions-in-diabetes-mellitus
#18
REVIEW
A O Shpakov
Thyroid diseases are closely associated with the development of types 1 and 2 diabetes mellitus (DM), and as a consequence, the development of effective approaches for their treatment is one of the urgent problems of endocrinology. Traditionally, thyroid hormones (TH) are used to correct functions of the thyroid system. However, they are characterized by many side effects, such as their negative effect on the cardiovascular system as well as the ability of TH to enhance insulin resistance and to disturb insulin-producing function of pancreas, exacerbating thereby diabetic pathology...
May 2017: Biomedit︠s︡inskai︠a︡ Khimii︠a︡
https://www.readbyqxmd.com/read/28777140/the-molecular-landscape-of-noninvasive-follicular-thyroid-neoplasm-with-papillary-like-nuclear-features-niftp-a-literature-review
#19
Fulvio Basolo, Elisabetta Macerola, Clara Ugolini, David N Poller, Zubair Baloch
The encapsulated and noninvasive follicular variant of papillary thyroid carcinoma has been recently reclassified as noninvasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP). These tumors demonstrate indolent behavior. This change in nomenclature will have great clinical impact by avoiding overtreatment of patients with NIFTP lesions who in the past were diagnosed with thyroid carcinoma and typically received completion thyroidectomy followed by radioactive iodine ablation. The pathologic diagnosis of NIFTP requires surgical removal of the thyroid lesion or the lobe harboring it, and thorough sampling of the complete interface between the tumor capsule and the thyroid parenchyma, to exclude foci of invasion...
September 2017: Advances in Anatomic Pathology
https://www.readbyqxmd.com/read/28776900/pathological-findings-of-japanese-black-cattle-living-in-the-restricted-area-of-the-fukushima-daiichi-nuclear-power-plant-accident-2013-2016
#20
Jun Sasaki, Kayoko Hiratani, Itaru Sato, Hiroshi Satoh, Yoshitaka Deguchi, Hiroyuki Chida, Masahiro Natsuhori, Takahisa Murata, Kenji Ochiai, Kumiko Otani, Keiji Okada, Nobuhiko Ito
Fifty-one Japanese black cattle from four farms in the evacuation zone of the Fukushima nuclear accident were examined pathologically during the period, 2013-2016. We found no evidence of a radiation effect on pathological findings in any of these autopsy cases, although nine cases (3.7%) of enzootic bovine leukosis (EBL) and three cases (1.2%) of goiter were diagnosed. Estimated integrating dose of external exposure in EBL cases ranged from a maximum of 1200 mSv to a minimum of 72 mSv. Clinically, five cases showed wobble, dysstasia or paralysis...
August 4, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
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