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Thyroid Neoplasm

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https://www.readbyqxmd.com/read/28546728/spindle-epithelial-tumor-with-thymus-like-element-settle-a-case-report
#1
Cengiz Tavusbay, Demet Arikan Etit, Ercan Kadioglu, Mehmet Haciyanli
Spindle epithelial tumor with thymus-like element (SETTLE) is a very rare malignant neoplasm of the thyroid. It is generally encountered in children, adolescents, and young adults Objective: We aimed to present a patient with SETTLE and to review the clinical and pathologic features of this rare tumor. A 13-year-old male patient presented to our clinic with complaints of a rapidly growing lump on his neck. There was no evidence of distant metastases at time of presentation. A total thyroidectomy was performed...
June 2017: Indian Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28546130/a-study-of-foxa1-expression-in-thyroid-tumors
#2
Daisuke Nonaka
FoxA1 regulates a variety of tissues during embryogenesis and early life. In thyroid, FoxA1 expression has recently been shown in C cells and medullary thyroid carcinomas but not in follicular cells. FoxA1 has also been proposed as potential oncogene in anaplastic thyroid carcinomas. However, FoxA1 expression has not been extensively investigated in a spectrum of thyroid non-neoplastic lesions and tumors. A variety of thyroid tumors and lesions and their morphologic mimics were stained with monoclonal anti-FoxA1 antibody...
May 22, 2017: Human Pathology
https://www.readbyqxmd.com/read/28545338/radiofrequency-ablation-of-small-follicular-neoplasms-initial-clinical-outcomes
#3
Su Min Ha, Jin Yong Sung, Jung Hwan Baek, Dong Gyu Na, Ji-Hoon Kim, Hyunju Yoo, Ducky Lee, Dong Whan Choi
BACKGROUND: In thyroid gland, radiofrequency ablation (RFA) has been applied to both recurrent cancers and benign nodules, although, according to the American Thyroid Association (ATA) and the Korean Society of Thyroid Radiology (KSThR) guidelines, surgery is the first-line treatment for follicular neoplasm. However, it has been argued that follicular neoplasm with lower risk of malignancy can be managed by close follow-up. In this study, we evaluated the effectiveness of RFA of small follicular neoplasms, examining reductions in volume and related clinical problems, and making observations over long-term follow-up...
May 25, 2017: International Journal of Hyperthermia
https://www.readbyqxmd.com/read/28544601/the-impact-of-noninvasive-follicular-thyroid-neoplasm-with-papillary-like-nuclear-features-on-the-performance-of-the-afirma-gene-expression-classifier
#4
Jen-Fan Hang, William H Westra, David S Cooper, Syed Z Ali
BACKGROUND: A recent revision in thyroid tumor nomenclature has resulted in a change from a malignant diagnosis (noninvasive follicular variant of papillary thyroid carcinoma) to one that is nonmalignant (noninvasive follicular thyroid neoplasm with papillary-like nuclear features [NIFTP]). The objective of the current study was to evaluate the impact of this change on the performance of the Afirma gene expression classifier (GEC). METHODS: The authors retrospectively analyzed consecutive thyroid fine-needle aspiration specimens with indeterminate diagnoses on which GEC was performed...
May 24, 2017: Cancer
https://www.readbyqxmd.com/read/28540626/cross-sectional-prevalence-of-pancreatic-cystic-lesions-in-patients-with-acromegaly-a-single-center-experience
#5
Yukiko Odake, Hidenori Fukuoka, Masaaki Yamamoto, Yoshifumi Arisaka, Junya Konishi, Kenichi Yoshida, Ryusaku Matsumoto, Hironori Bando, Kentaro Suda, Hitoshi Nishizawa, Genzo Iguchi, Shozo Yamada, Wataru Ogawa, Yutaka Takahashi
PURPOSE: Acromegaly is a disease associated with an increased risk for several kinds of neoplasms including colon and thyroid cancer. Although the association between acromegaly and pancreatic neoplasms has not been elucidated, it has recently been reported that GNAS gene mutations were found in 58% of intraductal papillary mucinous neoplasms (IPMNs), which are representative pancreatic cystic lesions, suggesting a link between IPMNs and acromegaly. To assess the prevalence of pancreatic cystic lesions in patients with acromegaly, we performed a retrospective cross-sectional single institute study...
May 24, 2017: Pituitary
https://www.readbyqxmd.com/read/28537891/multiplex-pcr-approach-to-simultaneously-identify-several-mutations-in-fine-needle-cytology-thyroid-samples
#6
Emilia Vuttariello, Marco Borra, Elvira Mauriello, Celeste Calise, Barbara D'Andrea, Anna Capiluongo, Franco Fulciniti, Anna Cipolletta, Mario Monaco, Luciano Pezzullo, Gennaro Chiappetta
The most frequent initial manifestation of thyroid cancer is the appearance of a nodule. More than 20% of the general population has a palpable thyroid nodule and the percentage rises to 70% based on ultrasound identification. In 95% of cases the nodule is simply a hyperplastic or benign lesion. The most reliable diagnostic test for thyroid nodules is fine needle aspiration (FNA), but cytological discrimination between malignant and benign follicular neoplasms remains difficult. Cytological analysis is now, almost routinely, being combined with molecular genetics to enable the pathologist to make a more objective diagnosis...
May 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28537865/a-nodule-on-the-scalp-as-the-first-sign-of-extranodal-disease-in-medullary-thyroid-carcinoma
#7
Jose Ramon Ferreres-Riera, Antonia Vinyals-Rioseco, Rosa Maria Penin-Mosquera, Octavio Servitje-Bedate, Joaquim Marcoval-Caus, Jose Manuel Mascaro-Galy, Susana Puig-Sarda, Antonio Macaya-Pascual, Angels Fabra-Fres
Medullary carcinoma of the thyroid gland accounts for only 5-10% of thyroid carcinomas. Also, metastases to the skin of malignant tumors are infrequently (2-9% of patients). In the case herein reported in a 64-year old woman, a metastatic nodule on the scalp was the presenting clinical manifestation of a medullary thyroid carcinoma. A comprehensive review of the literature was conducted for similar cases using PubMed. Only 18 cases of cutaneous metastases of medullary thyroid carcinoma have been previously reported in the literature, but skin lesions were the presenting complaint of the thyroid neoplasm in only three...
May 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28536894/can-medullary-thyroid-carcinoma-arise-in-thyroglossal-duct-cysts-a-search-for-parafollicular-c-cells-in-41-resected-cases
#8
Tracy Stein, Paari Murugan, Faqian Li, Mohamed I El Hag
Thyroglossal duct cysts (TGDCs) are present in ~7% of adults and develop from the midline migratory tract between the foramen cecum and anatomic location of the thyroid. Thyroid tissue can be identified in 2/3 of TGDCs, and up to 1% develop associated malignancy, 90% of which are papillary thyroid carcinoma. Cases of follicular and anaplastic carcinoma have been documented, but there are no reports of medullary thyroid carcinoma arising in a TGDC. This is presumably due to the distinct embryologic origin of parafollicular C-cells, from which medullary carcinoma arises...
May 23, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28534687/role-of-molecular-markers-in-thyroid-nodule-management-then-and-now
#9
Yuri E Nikiforov
OBJECTIVE: To describe the evolution and clinical utility of molecular testing for thyroid nodules and cancer achieved over the last two decades. METHODS: Scientific reports on thyroid cancer genetics and molecular diagnostics in thyroid nodules. RESULTS: Over the last two decades, our understanding of the genetic mechanisms of thyroid cancer has dramatically expanded, such that most thyroid cancers now have known gene driver events. This knowledge provides the basis for establishing and further improving molecular tests for thyroid nodules and cancer and for the introduction of new entities such as non-invasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP)...
May 23, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28533654/psma-expression-in-multinodular-thyroid-neoplasm-on-simultaneous-ga-68-psma-pet-mri
#10
Amarnath Jena, Shuaib Zaidi, Vikas Kashyap, Abhishek Jha, Sangeeta Taneja
PSMA PET is increasingly being used in imaging of recurrent prostate carcinoma. A case with suspected recurrent Prostate carcinoma (PCa), raised PSA (Prostate specific antigen) and suspected spinal metastases was referred for whole body Ga-68-PSMA PET/MRI. The study revealed PSMA avid recurrent prostate mass and extensive osseous metastases. Abnormal PSMA uptake in the thyroid gland prompted USG-guided FNAC which revealed Hurthle cell neoplasm. Histopathological examination (HPE) of excised gland showed multiple Hurthle cell adenomas in both lobes of thyroid along with foci of papillary thyroid carcinoma which on immunohistochemistry were thyroglobulin positive and PSA negative...
April 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28529699/evolution-immunity-and-the-emergence-of-brain-superautoantigens
#11
Serge Nataf
While some autoimmune disorders remain extremely rare, others largely predominate the epidemiology of human autoimmunity. Notably, these include psoriasis, diabetes, vitiligo, thyroiditis, rheumatoid arthritis and multiple sclerosis. Thus, despite the quasi-infinite number of "self" antigens that could theoretically trigger autoimmune responses, only a limited set of antigens, referred here as superautoantigens, induce pathogenic adaptive responses. Several lines of evidence reviewed in this paper indicate that, irrespective of the targeted organ (e...
2017: F1000Research
https://www.readbyqxmd.com/read/28529587/expression-of-claudin-1-4-and-7-in-thyroid-neoplasms
#12
Dinç Süren, Mustafa Yildirim, Alper Sayiner, Arsenal Sezgin Alikanoğlu, Irem Atalay, Umut Riza Gündüz, Vildan Kaya, Şeyda Gündüz, Mehmet Tahir Oruç, Cem Sezer
The distinction of thyroid carcinoma from benign thyroid neoplasm, as well as the subtyping of papillary carcinoma (PC) and follicular carcinoma (FC), may be performed histopathologically in the majority of cases. However, in certain cases, it is difficult to histopathologically distinguish between PC and FC, as well as follicular adenoma (FA), FC and the dominant nodule of multinodular goiter (MNG-DN). The present study aimed to determine the roles of the expression levels of the tight junction proteins claudin 1, 4 and 7 in the differential diagnosis of PC, FC, FA, MNG-DN, medullary carcinoma (MC) and anaplastic carcinoma (AC)...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28525424/metastatic-melanoma-with-papillary-features-a-mimic-and-possible-diagnostic-pitfall
#13
Alberto Valero-Torres, Victor G Prieto, Priyadharsini Nagarajan, Carlos A Torres-Cabala, Michael T Tetzlaff, Jonathan L Curry, Doina Ivan, Phyu P Aung
Papillary and pseudopapillary features are histopathologic findings typically associated with carcinomas (thyroid, pancreas, breast, prostate, bladder, kidney, or ovary) or mesothelioma. Melanoma is typically composed of nested and variably pigmented atypical cells. Here, we report a case of in-transit metastasis of melanoma presenting with prominent papillary features, and we discuss the differential diagnoses of neoplasms with papillary features. This case report suggests that the spectrum of neoplasms with papillary features should be expanded to include melanoma, a pattern that, to the best of our knowledge, is uncommon...
June 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28521439/arteriovenous-malformation-and-thyroid-metastasis-from-underlying-renal-cell-carcinoma-an-unusual-presentation-of-malignancy-a-case-report
#14
H J Albandar, E S Roberto, J R H See, J H Sabiers
Renal Clear Cell Carcinoma (RCC) comprises over 80% of renal malignancies in adults. Thyroid gland metastasis is rare in RCC. Few studies have described cases of RCC mistaken for benign arteriovenous malformation (AVM). To the best of our knowledge, an AVM arising from underlying RCC metastasis to the brain has not yet been reported. The current study presents a case of RCC metastasis to the thyroid gland, with an AVM identified to be a result of metastatic involvement in the brain. A 45-year-old African-American female presented with left-sided weakness, slurred speech, facial droop and seizure...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28507839/issues-in-managing-hurthle-cell-carcinoma-of-thyroid-a-case-report
#15
Patricia Tai, Martin Korzeniowski, Evgeny Sadikov, Kurian Joseph, Angus Kirby, Jon Tonita, Aamer Mahmud
A 61-year-old woman noticed a right neck lump in October 2001. Fine needle aspiration showed follicular neoplasm, adenoma versus carcinoma. The ultrasound scan showed a solid mass of maximum dimension of 3.7 cm. She had a right thyroid lobectomy and isthmectomy in January 2002 (first surgery). The tissue specimen showed a 4.5 cm Hurthle cell carcinoma (HCC) with vascular invasion. There were no capsular invasion, extra-thyroidal extension, or margin involvement. A completion left lobectomy (second surgery) was performed two weeks later...
April 14, 2017: Curēus
https://www.readbyqxmd.com/read/28506419/radioguided-thyroidectomy-for-follicular-tumors-multicentric-experience
#16
D Parmeggiani, C Gambardella, R Patrone, A Polistena, M De Falco, R Ruggiero, R Cirocchi, A Sanguinetti, V Cuccurullo, M Accardo, N Avenia, G Docimo, S Tolone, V Bassi, L Docimo, G Conzo
BACKGROUND: The diagnosis of thyroid nodular diseases requires an integrated approach that has been widely established over the past years. This strategy includes: ultrasonography (US) with; implemented Color-Power-Doppler, conventional scintigraphy also with positive indicators, specific pathological studies targeted by immunohistochemically-assays, and the fine needle; aspiration biopsy (FNAB), which, usually, in case of "Follicular Lesions" (10-20%) findings is; unable to distinguish carcinoma from follicular adenoma, then indicating the necessity of surgery to; obtain a correct diagnosis...
May 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28498291/multi-level-3d-printing-implant-for-reconstructing-cervical-spine-with-metastatic-papillary-thyroid-carcinoma
#17
Xiucan Li, Yiguo Wang, Yongfei Zhao, Jianheng Liu, Songhua Xiao, Keya Mao
STUDY DESIGN: A unique case report. OBJECTIVE: A three-dimensional (3D) printing technology is proposed for reconstructing multi-level cervical spine (C2-C4) after resection of metastatic papillary thyroid carcinoma in a middle-age female patient. SUMMARY OF BACKGROUND DATA: Papillary thyroid carcinoma is a malignant neoplasm with a relatively favorable prognosis. A metastatic lesion in multi-level cervical spine (C2-C4) destroys neurological functions and causes local instability...
May 11, 2017: Spine
https://www.readbyqxmd.com/read/28494807/concordant-clear-cell-mesonephric-carcinoma-of-the-bladder-and-lung-adenocarcinoma-with-clear-cell-features-multiple-primaries-versus-metastatic-neoplasms-a-case-report
#18
Sarmad H Jassim, Amer Khiyami, Jane K Nguyen, Santhi Ganesan, Joseph Tomashefski, Joram Sawady
BACKGROUND: Clear cell carcinoma of the bladder is a rare variant of urinary bladder adenocarcinoma. We report a case of a patient with clear cell carcinoma of the bladder and a concordant right upper lobe pulmonary adenocarcinoma with clear cell features, and we address the role of immunohistochemistry and cytogenetic analysis in distinguishing the two primary malignancies. CASE PRESENTATION: Our patient was a 59-year-old African American woman who presented with hematuria...
May 12, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28494523/korean-thyroid-imaging-reporting-and-data-system-features-of-follicular-thyroid-adenoma-and-carcinoma-a-single-center-study
#19
Jung Won Park, Dong Wook Kim, Donghyun Kim, Jin Wook Baek, Yoo Jin Lee, Hye Jin Baek
Purpose: This study aimed to assess the diagnostic efficacy of Korean Thyroid Imaging Reporting and Data System (K-TIRADS) features for distinguishing follicular thyroid adenoma (FTA) from follicular thyroid carcinoma (FTC). Methods: From January 2013 to July 2016, 46 follicular neoplasms in 45 patients who underwent preoperative thyroid ultrasonography (US) and thyroid surgery were included. The US features of each thyroid nodule were retrospectively evaluated by a single radiologist using a picture archiving and communication system...
April 13, 2017: Ultrasonography
https://www.readbyqxmd.com/read/28489874/tafazzin-taz-promotes-the-tumorigenicity-of-cervical-cancer-cells-and-inhibits-apoptosis
#20
Mei Chen, Yuan Zhang, Peng-Sheng Zheng
Tafazzin (TAZ) is often aberrantly expressed in some cancers, including rectal cancer and thyroid neoplasms. However, the function of TAZ in cervical cancer cells remains unknown. This study aims to explore the expression and function of TAZ in cervical cancer cells. Here, we determined the expression of TAZ protein in normal cervical tissue (NC, n = 27), high-grade squamous intraepithelial lesions (HSIL, n = 26) and squamous cervical carcinoma (SCC, n = 41) by immunohistochemistry, the expression of TAZ protein gradually increased from NC to HSIL to SCC...
2017: PloS One
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