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https://www.readbyqxmd.com/read/29676354/diagnostic-and-prognostic-impact-of-mucin-1-6-expression-in-non-small-cell-lung-cancer
#1
William Sterlacci, Michael Fiegl, Lothar Veits, Alexandar Tzankov
Background: The prognostic significance and clinico-pathological characterization of mucin (MUC) expression in non-small cell lung cancer (NSCLC) is controversial and little studied. Aims: This study aims at elucidating this issue on the largest and most detailed cohort so far. Settings and Design: We examined the expression of MUC 1, 2, 4, 5AC and 6 on 371, well documented, surgically resected NSCLC cases. Materials and Methods: Immunohistochemical results were correlated with several of our previously studied, relevant parameters on this cohort including a follow-up period of up to 20 years...
April 2018: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/29676344/histopathological-pattern-of-thyroid-diseases-in-zaria-a-10-year-review
#2
Nasiru Raheem, Saad A Ahmed, Modupeola Oa Samaila
Context: Majority of the previous studies on thyroid diseases in Northern Nigeria focussed mainly on neoplastic lesions. The non-neoplastic lesions are more common and constitute more public health burdens. Aim: To determine the histopathological pattern of thyroid diseases in our region and compare our findings with similar studies in Nigeria and elsewhere. Settings and Design: This is a retrospective study carried out at the Department of Pathology, Ahmadu Bello University Teaching Hospital, Zaria, from January 2005 to December 2014 using specified criteria...
January 2018: Nigerian Postgraduate Medical Journal
https://www.readbyqxmd.com/read/29674245/effects-of-multiple-life-stage-exposure-to-the-fungicide-prochloraz-in-xenopus-laevis-manifestations-of-antiandrogenic-and-other-modes-of-toxicity
#3
Jonathan T Haselman, Patricia A Kosian, Joseph J Korte, Allen W Olmstead, Sigmund J Degitz
The Larval Amphibian Growth and Development Assay (LAGDA) is an internationally harmonized testing guideline for evaluating effects of chronic chemical exposure in amphibians. In order to evaluate the effects of chronic exposure to an antiandrogenic chemical in an amphibian model, prochloraz was tested using a variation of the LAGDA design. Exposure was initiated with <1d post-fertilization embryos at nominal concentrations of 0, 6.7, 20, 60 and 180 μg/L (0, 18, 53, 159, 478 nM) and continued in flow-through conditions until two months following the median time that controls completed metamorphosis...
April 3, 2018: Aquatic Toxicology
https://www.readbyqxmd.com/read/29672325/primary-mammary-analog-secretory-carcinoma-masc-of-the-vulva-with-etv6-ntrk3-fusion-a-case-report
#4
Jane K Nguyen, Julia A Bridge, Chandrika Joshi, Jesse K McKenney
Mammary analog secretory carcinoma is a primary salivary gland neoplasm with histologic, immunophenotypic, and molecular features identical to those of secretory carcinoma of the breast. Similar neoplasms have now been reported to occur in various nonmammary sites including the parotid gland, submandibular gland, sinuses, lip, skin, thyroid gland, and lung. We report, to our knowledge, the first example of a primary vulvar neoplasm with pathologic features identical to secretory carcinoma of the breast and an ETV6-NTRK3 fusion...
April 19, 2018: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29669480/tert-hras-and-eif1ax-mutations-in-a-patient-with-follicular-adenoma
#5
Michael C Topf, Zi-Xuan Wang, Madalina Tuluc, Edmund A Pribitkin
BACKGROUND: Molecular markers are increasingly used as diagnostic tools in the management of thyroid nodules. There is a paucity of studies evaluating the prevalence of molecular markers in benign lesions. PATIENT FINDINGS: A 68-year-old woman with hypothyroidism presented with a right thyroid nodule which was atypia of undetermined significance on cytology. The fine needle aspirate of the nodule was examined with next-generation sequencing and found to harbor a C228T mutation in the TERT gene, a Q61R mutation in the HRAS gene, and an A113_splice mutation in the EIF1AX gene...
April 19, 2018: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/29667113/lack-of-association-between-obesity-and-aggressiveness-of-differentiated-thyroid-cancer
#6
G Grani, L Lamartina, T Montesano, G Ronga, V Maggisano, R Falcone, V Ramundo, L Giacomelli, C Durante, D Russo, M Maranghi
PURPOSE: Aim of this study was to evaluate the association between body mass index (BMI) and aggressive features of differentiated thyroid cancer (DTC) in a prospective cohort. METHODS: Patients with DTC were prospectively enrolled at a tertiary referral center and grouped according to their BMI. Aggressive clinic-pathological features were analyzed following the American Thyroid Association Initial Risk Stratification System score. RESULTS: The cohort was composed of 432 patients: 5 (1...
April 17, 2018: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/29666959/carney-complex-a-case-with-thyroid-follicular-adenoma-without-a-prkar1a-mutation
#7
Shinji Hattori, Yukou Yamane, Ryoichi Shimomura, Yuki Uchida, Nobuhiko Toyota, Yoshio Miura, Setsujyo Shiota, Yoshitsugu Tajima
BACKGROUND: Carney complex (CNC) is a very rare disease. Although thyroid lesions are included in the diagnostic criteria for CNC, they are an infrequent occurrence. CASE PRESENTATION: The patient was a 69-year-old woman who had undergone the removal of a left atrial myxoma 10 years earlier, at the age of 59. At the time of the operation, thyroid ultrasonography (US) revealed multiple hypoechoic nodules. Thyroid scintigraphy revealed an increased uptake of 99m Tc in these lesions, which was consistent with toxic multinodular goiter, and she was diagnosed with CNC...
April 17, 2018: Surgical Case Reports
https://www.readbyqxmd.com/read/29663723/intraocular-metastasis-of-medullary-thyroid-carcinoma-investigated-by-transscleral-fine-needle-aspiration-a-case-report-and-review-of-the-literature
#8
Małgorzata Gajdzis, Nathalie Cassoux, Maria Lesnik, Caroline Hoffmann, Nathalie Badois, Paweł Gajdzis, Jerzy Klijanienko
Medullary thyroid carcinoma occurs in a sporadic setting and may also be inherited in an autosomal dominant fashion, which is related with germline mutations of the RET gene. Metastases are often present at the time of a diagnosis-most frequently within the cervical lymph nodes, followed by the liver, lungs, and bones. Intraocular metastases are extremely rare. We present a case of choroidal metastasis as a first presentation of disease progression in a patient with Multiple Endocrine Neoplasia type 2A syndrome (MEN2A) who had undergone thyroidectomy 33 years earlier for medullary thyroid carcinoma...
April 16, 2018: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/29663329/prophylactic-thyroidectomy-in-children-with-multiple-endocrine-neoplasia-type-2
#9
F P Prete, T Abdel-Aziz, C Morkane, C Brain, T R Kurzawinski
BACKGROUND: In patients with multiple endocrine neoplasia type 2 (MEN2) syndrome, genetic testing offers early diagnosis, stratifies the risk of developing medullary thyroid cancer (MTC) and informs the timing of thyroidectomy. The efficacy of treatment, which depends on timely and safe surgery, is not well established. METHODS: This was a retrospective review of diagnostic and clinicopathological outcomes of prophylactic thyroidectomy in children with MEN2 between 1995 and 2013 in the UK...
April 17, 2018: British Journal of Surgery
https://www.readbyqxmd.com/read/29663106/prevalence-of-thyroid-diseases-in-familial-adenomatous-polyposis-a-systematic-review-and-meta-analysis
#10
Jirat Chenbhanich, Amporn Atsawarungruangkit, Sira Korpaisarn, Tanit Phupitakphol, Soravis Osataphan, Prasit Phowthongkum
Thyroid cancer (TC) is a known extra-intestinal manifestation and contributes to the mortality and morbidity in patients with familial adenomatous polyposis (FAP). Its exact prevalence is not well established and recent studies have shown an increasing number of TC in this patient population. The prevalence of benign thyroid masses and endocrinologic thyroid disorders are also poorly described. We conducted a systematic review and meta-analysis by using a random-effects model to characterize TC and estimated the prevalence of thyroid diseases in FAP patients...
April 16, 2018: Familial Cancer
https://www.readbyqxmd.com/read/29662614/transcriptional-orchestration-of-mitochondrial-homeostasis-in-a-cellular-model-of-pgc-1-related-coactivator-dependent-thyroid-tumor
#11
Solenne Dumont, Soazig Le Pennec, Audrey Donnart, Raluca Teusan, Marja Steenman, Catherine Chevalier, Rémi Houlgatte, Frédérique Savagner
The PGC-1 (Peroxisome proliferator-activated receptor Gamma Coactivator-1) family of coactivators (PGC-1α, PGC-1β, and PRC) plays a central role in the transcriptional control of mitochondrial biogenesis and oxidative phosphorylation (OXPHOS) processes. These coactivators integrate mitochondrial energy production into cell metabolism using complementary pathways. The XTC.UC1 cell line is a mitochondria-rich model of thyroid tumors whose biogenesis is almost exclusively dependent on PRC. Here we aim to propose an integrative view of the cellular pathways regulated by PRC through integration of cDNA and miRNA microarray data and chromatin immunoprecipitation results obtained from XTC...
March 23, 2018: Oncotarget
https://www.readbyqxmd.com/read/29662564/dual-pathologies-of-parathyroid-adenoma-and-papillary-thyroid-cancer-on-fluorocholine-and-fluorodeoxyglucose-pet-ct
#12
N T K Thanseer, Sanjay Kumar Bhadada, Ashwani Sood, Ashwin Singh Parihar, Divya Dahiya, Priyanka Singh, Rajender Kumar Basher, Ashim Das, Bhagwant R Mittal
18 F-Fluorocholine (FCH) PET/CT is evolving as a functional imaging modality for the preoperative imaging of abnormal parathyroid tissue(s) helping to localize eutopic and ectopic parathyroid tissue and limit the extent of surgery. FCH PET/CT may show incidental uptake in various thyroid lesions necessitating further evaluation, whereas the role of 18 F-fluorodeoxyglucose (FDG) PET/CT in the detection of incidental thyroid nodules is well documented. The case of a middle-aged woman with dual pathology of parathyroid adenoma and papillary thyroid cancer detected on FCH and FDG PET/CT is presented...
April 2018: Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29660205/thyroid-hormones-and-diabetic-nephropathy-an-essential-relationship-to-recognize
#13
Qianqian Han, Junlin Zhang, Yiting Wang, Hanyu Li, Rui Zhang, Ruikun Guo, Li Li, Geer Teng, Jiali Wang, Tingli Wang, Fang Liu
AIMS: Although abnormal thyroid hormone metabolism is common in patients with 2 diabetes mellitus (T2DM) and diabetic nephropathy (DN), the relationship between thyroid hormones and DN is unclear and being ignored during the clinical practice. This study was aimed to investigate the relationship between thyroid hormones and clinicopathologic changes in biopsy-proven DN patients. METHODS: We collected clinical and pathological data for 146 biopsy-proven DN patients...
April 16, 2018: Nephrology
https://www.readbyqxmd.com/read/29658835/sonographic-features-of-multifocal-papillary-thyroid-carcinomas
#14
Dong Wook Kim, Gi Won Shin, Yoo Jin Lee, Soo Jin Jung, Hye Jin Baek, Taewoo Kang
OBJECTIVE: It is uncertain whether papillary thyroid carcinomas (PTCs) of the same subtype display similar sonographic features. This retrospective analysis of pre-operative sonographic and pathologic findings aimed to assess whether PTCs of the same subtype share sonographic features. METHODS: Before undergoing thyroid surgery, 137 patients underwent ultrasound (US) examination. A single radiologist used a picture archiving and communication system and pathologic reports to investigate all sonographic features of the largest and second largest PTCs...
April 2018: Endocrine Practice
https://www.readbyqxmd.com/read/29648895/functional-polymorphisms-of-the-type-1-and-type-2-iodothyronine-deiodinase-genes-in-autoimmune-thyroid-diseases
#15
Naoya Inoue, Mikio Watanabe, Yuka Katsumata, Naoko Ishido, Yoh Hidaka, Yoshinori Iwatani
Graves' disease (GD) and Hashimoto's disease (HD) are major autoimmune thyroid diseases (AITDs), and their pathological conditions vary among patients. Type 1 iodothyronine deiodinase (D1) and type 2 iodothyronine deiodinase (D2) convert from thyroxine (T4) to triiodothyronine (T3). However, few findings have been described concerning the association between polymorphisms in D1 and D2 genes and AITD. Therefore, we genotyped D1 rs11206244, D2 rs225014, and rs12885300 polymorphisms in 134 GD patients, including 54 patients with intractable GD and 44 patients with GD in remission and 132 HD patients, including 57 patients with severe HD, 45 patients with mild HD, and 84 healthy controls using PCR-RFLP...
April 12, 2018: Immunological Investigations
https://www.readbyqxmd.com/read/29642833/-management-and-treatment-difficulties-of-multi-drug-resistant-pulmonary-tuberculosis-in-a-pediatric-case
#16
Selda Hançerli Törün, Emine Manolya Acar, Ayper Somer, Gonca Erköse, Dilek Şatana, Zuhal Bayramoğlu, Emine Çalışkan, Zeki Kılıçaslan
Tuberculosis continues to be a major health problem worldwide. Multidrug resistant tuberculosis (MDR-TB) infection that occurs in childhood is caused by adult MDR-TB agents which are in circulation and resistant to primary drugs. In this case report a 17-month-old child with MDR-TB who was cured after a 24-month therapy regimen was presented. Physical examination of a 17-month-old girl admitted to the hospital with the cause of recurrent pneumonia revealed a rubbery lymphadenopathy less than 2 cm in the right upper cervical region...
January 2018: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/29629797/comparison-of-performance-characteristics-of-american-college-of-radiology-ti-rads-korean-society-of-thyroid-radiology-tirads-and-american-thyroid-association-guidelines
#17
William D Middleton, Sharlene A Teefey, Carl C Reading, Jill E Langer, Michael D Beland, Margaret M Szabunio, Terry S Desser
OBJECTIVE: The American College of Radiology (ACR) Thyroid Imaging Reporting and Data System (TI-RADS) provides guidelines to practitioners who interpret sonographic examinations of thyroid nodules. The purpose of this study is to compare the ACR TI-RADS system with two other well-established guidelines. MATERIALS AND METHODS: The ACR TI-RADS, the Korean Society of Thyroid Radiology (KSThR) Thyroid Imaging Reporting and Data System (TIRADS), and the American Thyroid Association guidelines were compared using 3422 thyroid nodules for which pathologic findings were available...
April 9, 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29626459/an-unusual-invasive-ectopic-thymoma-in-the-thyroid-and-anterior-mediastinum
#18
Haruaki Hino, Jun-Ichi Nitadori, Keiko Ohno, Seiji Kishimoto, Masatoki Takahashi, Mototsune Kakizaki, Tomio Arai, Nishimura Takashi, Jun Nakajima
An 81-year-old woman with a 2-year history of dysphagia detected a cervical mass. Computed tomography showed a thyroid tumor extending through the superior and anterior mediastinum. Incisional biopsy revealed a thymoma. Total resection of the thyroid and mediastinal tumor was performed. The thymoma invaded the anterior tracheal wall and left brachiocephalic vein. Pathological examination revealed thymoma type B1 concomitant with B2 and B3 (World Health Organization classification), Masaoka IVb and T3N2M0-IVb, with cervical lymph node metastasis...
April 4, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29626276/immunohistochemistry-in-diagnostic-parathyroid-pathology
#19
REVIEW
Lori A Erickson, Ozgur Mete
Pathologists are usually readily able to diagnose parathyroid tissues and diseases, particularly when they have knowledge of the clinical information, laboratory findings, and radiographic imaging studies. However, the identification of parathyroid tissue or lesions can be difficult in small biopsies, ectopic locations, supranumerary glands, and in some oxyphil/oncocytic lesions. Widely available immunohistochemical studies such as chromogranin-A, synaptophysin, keratin, parathyroid hormone, thyroglobulin, and thyroid transcription factor-1 can help in difficult cases...
April 7, 2018: Endocrine Pathology
https://www.readbyqxmd.com/read/29623208/a-rare-challenging-case-of-co-existent-craniopharyngioma-acromegaly-and-squamous-cell-lung-cancer
#20
Athanasios Fountas, Shu Teng Chai, John Ayuk, Neil Gittoes, Swarupsinh Chavda, Niki Karavitaki
Co-existence of craniopharyngioma and acromegaly has been very rarely reported. A 65-year-old man presented with visual deterioration, fatigue and frontal headaches. Magnetic resonance imaging revealed a suprasellar heterogeneous, mainly cystic, 1.9 × 2 × 1.9 cm mass compressing the optic chiasm and expanding to the third ventricle; the findings were consistent with a craniopharyngioma. Pituitary hormone profile showed hypogonadotropic hypogonadism, mildly elevated prolactin, increased insulin-like growth factor 1 (IGF-1) and normal thyroid function and cortisol reserve...
2018: Endocrinology, Diabetes & Metabolism Case Reports
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