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histology of thyroiditis

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https://www.readbyqxmd.com/read/27910945/thyroid-transcription-factor-1-distinguishes-subependymal-giant-cell-astrocytoma-from-its-mimics-and-supports-its-cell-origin-from-the-progenitor-cells-in-the-medial-ganglionic-eminence
#1
Jen-Fan Hang, Chih-Yi Hsu, Shih-Chieh Lin, Chih-Chun Wu, Han-Jui Lee, Donald Ming-Tak Ho
Subependymal giant cell astrocytoma is a benign brain tumor mostly associated with tuberous sclerosis complex. However, it may be misinterpreted as other high-grade brain tumors due to the presence of large tumor cells with conspicuous pleomorphism and occasional atypical features, such as tumor necrosis and endothelial proliferation. In this study, we first investigated thyroid transcription factor-1 (TTF-1) expression in a large series of subependymal giant cell astrocytomas and other histologic and locational mimics to validate the diagnostic utility of this marker...
December 2, 2016: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/27904595/cd56-hbme-1-and-cytokeratin-19-expressions-in-papillary-thyroid-carcinoma-and-nodular-thyroid-lesions
#2
Senay Erdogan-Durmus, Deniz Ozcan, Enver Yarikkaya, Ali Kurt, Aynur Arslan
BACKGROUND: Carcinomas of the thyroid follicular epithelium are the most common cancers of the endocrine system. In the diagnosis of thyroid nodules and tumors, the gold standard is histological evaluation. In cases which have morphological overlap, immunohistochemistry is needed for differential diagnosis. The purpose of this study is to investigate the expressions of CD56, HBME-1, cytokeratin 19 (CK19) antibodies in papillary thyroid carcinoma (PTC) and thyroid nodular lesions and their contributions to differential diagnosis...
2016: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/27896649/the-micropapillary-hobnail-variant-of-papillary-thyroid-carcinoma-a-review-of-series-described-in-the-literature-compared-to-a-series-from-one-southern-italy-pathology-institution
#3
REVIEW
Antonio Ieni, Valeria Barresi, Roberta Cardia, Luana Licata, Flavia Di Bari, Salvatore Benvenga, Giovanni Tuccari
Papillary thyroid carcinoma (PTC) has a good prognosis with a 10-yr survival greater than 90%. Recently, a micro-papillary pattern with hobnail appearance (MPHC) in PTC has been indicated as associated with poor prognosis, but this suggestion is based only on a few cases from geographical areas different from ours. Two-hundred ninety-nine consecutive PTC cases were collected between the years of 1992 and 2014 at our institution. The corresponding histologic sections (at least 6 for each case) were stained with hematoxylin and eosin and reviewed independently by two pathologists to reach a consensus on the identification and quantification of the MPHC...
November 28, 2016: Reviews in Endocrine & Metabolic Disorders
https://www.readbyqxmd.com/read/27885217/lymphocytic-adrenal-medullitis-and-lymphocytic-thyroiditis-in-a-laboratory-beagle-dog
#4
Takuya Doi, Yuki Tomonari, Kazufumi Kawasako, Naoaki Yamada, Minoru Tsuchitani
Lymphocytic adrenal medullitis characterized by inflammation and atrophy in the medulla of the bilateral adrenal glands was observed in an 18-month-old male laboratory beagle dog. It might be that the present lymphocytic adrenal medullitis is an autoimmune-mediated disease as the histological characteristics are consistent with an autoimmune pathogenesis. However, the actual cause remains unclear as the existence of serum autoantibodies against the adrenal medulla could not be confirmed. Although this dog also contracted lymphocytic thyroiditis along with serum thyroglobulin autoantibodies, indicating that the thyroiditis occurred with an autoimmune basis; the relation between the adrenal medullitis and thyroiditis is unknown...
November 24, 2016: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/27878772/chronic-lymphocytic-thyroiditis-does-not-influence-the-risk-of-recurrence-in-patients-with-papillary-thyroid-carcinoma-and-excellent-response-to-initial-therapy
#5
Marina S Carvalho, Pedro W Rosario, Gabriela F Mourão, Maria R Calsolari
BACKGROUND: This study evaluated the recurrence in patients with papillary thyroid cancer and an excellent response to initial therapy, comparing those with and without chronic lymphocytic thyroiditis. METHODS: This was a prospective study. Patients who met the following criteria were selected: diagnosis of papillary thyroid cancer; submitted to total thyroidectomy followed or not by ablation with (131)I; and neck ultrasonography without abnormalities, nonstimulated thyroglobulina (Tg) ≤0...
November 23, 2016: Endocrine
https://www.readbyqxmd.com/read/27873522/extremely-well-differentiated-papillary-thyroid-carcinoma-resembling-adenomatous-hyperplasia-can-metastasize-to-the-skull-a-case-report
#6
Ju Yeon Pyo, Jisup Kim, Sung Eun Choi, Eunah Shin, Seok Woo Yang, Cheong Soo Park, Seok Mo Kim, Soonwon Hong
We describe herein histologic, immunohistochemical, and molecular findings and clinical manifestations of a rare case of an extremely well differentiated papillary thyroid carcinoma (EWD-PTC). Similarly, it is also difficult to diagnose follicular variant papillary thyroid carcinoma (FVPTC), whose diagnosis is still met with controversy. A recently reported entity of well-differentiated tumor of uncertain malignant potential (WDT-UMP) is added to the diagnostic spectrum harboring EWD-PTC and FVPTC. We report this case, because EWD-PTC is different from FVPTC in its papillary architecture, and also from WDT-UMP in its recurrence and metastatic pattern...
January 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/27873099/metastasis-to-the-thyroid-gland-a-critical-review
#7
REVIEW
Iain J Nixon, Andrés Coca-Pelaz, Anna I Kaleva, Asterios Triantafyllou, Peter Angelos, Randall P Owen, Alessandra Rinaldo, Ashok R Shaha, Carl E Silver, Alfio Ferlito
BACKGROUND: Metastasis to the thyroid gland from nonthyroid sites is an uncommon clinical presentation in surgical practice. The aim of this review was to assess its incidence management and outcomes. METHODS: A literature review was performed to identify reports of metastases to the thyroid gland. Both clinical and autopsy series were included. RESULTS: Metastases to the gland may be discovered at the time of diagnosis of the primary tumor, after preoperative investigation of a neck mass, or on histologic examination of a thyroidectomy specimen...
November 21, 2016: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/27867870/thyroid-cancer-with-tracheal-invasion-a-pathological-estimation
#8
Vincenzo Pappalardo, Stefano La Rosa, Andrea Imperatori, Nicola Rotolo, Maria Laura Tanda, Andrea Sessa, Lorenzo Dominioni, Gianlorenzo Dionigi
We review the clinical and pathologic features of seven cases of papillary carcinoma of the thyroid that invaded the trachea and were treated by thyroidectomy, airway resection with reconstructive surgery over an interval of 15 years. We depicted the peculiarity of invasion of well differentiated papillary thyroid carcinoma (PTC) cells is perpendicularly oriented to the tracheal lumen, in between cartilaginous rings, along blood vessels and collagen fibers. Tracheal rings appear non-infiltrated in all histological sections of well differentiated PTC infiltrating the trachea...
October 2016: Gland Surgery
https://www.readbyqxmd.com/read/27867869/thyroid-langerhans-cell-histiocytosis-and-papillary-thyroid-carcinoma
#9
Rajab AlZahrani, Mohammed Algarni, Hadi Alhakami, Haia AlSubayea, Naif Alfattani, Mohammet Guler, Mohamed Satti
A 27-year-old female, married with two children, presented to our clinic with a 1-year history of thyroid swelling and pressure symptoms on lying backward and bilateral cervical lymphadenopathy. The patient was a known case of panhypopituitarism for 5 years. Comprehensive patient evaluation including FNAC with papillary thyroid cancer result then she underwent total thyroidectomy and bilateral neck dissection and final histologic examination confirmed papillary thyroid carcinoma in the background of lymphocytic thyroiditis, associated with Langerhans cell histiocytosis (LCH)...
October 2016: Gland Surgery
https://www.readbyqxmd.com/read/27867183/serum-calcium-and-risk-of-nonmedullary-thyroid-cancer-in-patients-with-primary-hyperparathyroidism
#10
Ying Xue, Zheng-Qin Ye, Hong-Wen Zhou, Bao-Min Shi, Xiang-Hua Yi, Ke-Qin Zhang
BACKGROUND Clinical cases of nonmedullary thyroid carcinoma (NMTC) in combination with primary hyperparathyroidism (PHPT) have been reported occasionally. However, the clinical characteristics and risk factors of concomitant NMTC in PHPT patients remain unclear. This study aimed to assess the association between PHPT and NMTC, and evaluate the clinical characteristics and risk factors of NMTC in Chinese patients with PHPT. MATERIAL AND METHODS This was a retrospective cohort analysis. We reviewed the medical records of 155 patients who underwent surgery for PHPT in two large medical centers in China between 2009 and 2014...
November 21, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/27865146/a-case-report-of-successful-diagnosis-of-a-pulmonary-nodule-by-a-survey-of-oncogenic-mutations-primary-lung-carcinoma-or-pulmonary-metastasis
#11
Akira Haro, Erina Kuramitsu, Ichiro Yamamoto, Yasuro Fukuyama
INTRODUCTION: The number of patients diagnosed with solid carcinomas is increasing, and the most common site of metastasis is the lungs. It is often difficult to make a differential diagnosis between primary lung carcinoma and metastatic lung tumor in using histological examination and by determining their immunohistological status. PRESENTATION: A 64-years-old man presented with dyspnea with chest computed tomography (CT) findings of a pulmonary tumor, and afterwards suffered from a sudden bowel hemorrhaged due to colorectal carcinoma...
November 3, 2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/27862483/cytological-features-of-solid-variants-of-papillary-thyroid-carcinoma-a-fine-needle-aspiration-cytology-study-of-18-cases
#12
M Higuchi, M Hirokawa, A Suzuki, N Takada, N Yamao, S Kuma, A Miyauchi
OBJECTIVE: Solid variants of papillary thyroid carcinoma (SV-PTC) are rare, and there have been few reports describing the cytological findings of such variants. METHODS: The cytological features of cellular specimens aspirated from 18 histologically confirmed SV-PTC cases were evaluated, retrospectively. RESULTS: Solid and small papillary clusters were observed in 14 (77.8%) and 13 (72.2%) cases, respectively. The incidences of large papillary clusters (11...
November 13, 2016: Cytopathology: Official Journal of the British Society for Clinical Cytology
https://www.readbyqxmd.com/read/27856495/clinical-outcomes-of-a-cohort-of-patients-with-central-nervous-system-metastases-from-thyroid-cancer
#13
Joana Simões-Pereira, Daniel Macedo, Maria João Bugalho
INTRODUCTION: Metastases to central nervous system (M1-CNS) are rarely reported in thyroid cancer (TC) patients. We aimed to characterize patients with M1-CNS from TC followed in our department. METHODS: Review of the medical records of 27 patients with TC-related M1-CNS. RESULTS: Mean age at TC diagnosis was 56.9 ± 19.1 years. Papillary TC (55.6%) was the commonest histological type, followed by poorly differentiated (18.5%), medullary (11...
November 2016: Endocrine Connections
https://www.readbyqxmd.com/read/27855230/a-case-of-thyroid-fibromatosis-a-rare-lesion-of-this-gland
#14
Joana Simões-Pereira, Rafael Adame Cabrera, Valeriano Leite
: Thyroid fibromatosis is a very rare lesion; to our knowledge, there are only four cases reported in the medical literature. Herein, we report the clinical case of a woman with thyroid fibromatosis with a long follow-up (11 years). A 63-year-old female patient, with an increasing multinodular goitre without compressive symptoms, was admitted to total thyroidectomy. The histology revealed a spindle-cell proliferation with fibroblastic characteristics with no atypia and thin capillary vessels...
2016: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/27849386/18f-fdg-pet-suv-as-a-prognostic-marker-of-increasing-size-in-thyroid-cancer-tumors
#15
Ishita Singh, Athanasios Bikas, Carlos A Garcia, Sameer Desale, Leonard Wartofsky, Kenneth D Burman
Background 18F-FDG- PET/CT scans are used in high-risk thyroid cancer patients to determine the presence of metastasis. The prognostic significance of increases in SUVs (Standard Unit Values) has not been clearly defined. This pilot study investigated the correlation between increases in SUV with subsequent changes in size of individual lesions. Methods A retrospective chart review of patients with histologically confirmed thyroid cancer, monitored with serial 18F-FDG- PET/CT scans from 2008 to 2013, was performed...
November 16, 2016: Endocrine Practice
https://www.readbyqxmd.com/read/27844237/intraoperative-near-infrared-autofluorescence-imaging-of-parathyroid-glands
#16
Roland Ladurner, Sandra Sommerey, Nora Al Arabi, Klaus K J Hallfeldt, Herbert Stepp, Julia K S Gallwas
OBJECTIVE: To identify parathyroid glands intraoperatively by exposing their autofluorescence using near-infrared light. METHODS: Fluorescence imaging was carried out during minimally invasive and open parathyroid and thyroid surgery. After identification, the parathyroid glands as well as the surrounding tissue were exposed to near-infrared (NIR) light with a wavelength of 690-770 nm using a modified Karl Storz near-infrared/indocyanine green (NIR/ICG) endoscopic system...
November 14, 2016: Surgical Endoscopy
https://www.readbyqxmd.com/read/27843812/an-unusual-case-of-malignant-struma-ovarii-causing-thyrotoxicosis
#17
Elli Anagnostou, Antonios Polymeris, Georgios Morphopoulos, Alexios Travlos, Vassiliki Sarantopoulou, Irini Papaspyrou
BACKGROUND: Struma ovarii (SO) is a specialized monodermal teratoma predominantly composed of mature thyroid tissue, accounting for approximately 5% of all ovarian teratomas. Thyrotoxicosis is seen in about 8% of patients with SO. Most SO cases are benign with only 5-10% being malignant, and malignant SO causing thyrotoxicosis is very uncommon. CASE: A 64-year-old woman had been diagnosed with thyrotoxicosis 2 years previously. The thyroid gland was palpable with a micronodular texture, and the patient was euthyroid under carbimazole...
September 2016: European Thyroid Journal
https://www.readbyqxmd.com/read/27843808/therapeutic-strategies-and-clinical-outcome-in-papillary-thyroid-microcarcinoma-a-multicenter-observational-study
#18
F Cecoli, E M Ceresola, V Altrinetti, M Cabria, M Cappagli, A Montepagani, C M Cuttica, U Filippi, D Saverino, M Raffa, M Caputo, F Minuto, M Giusti, M Bagnasco
PURPOSE: Papillary thyroid microcarcinoma (MPTC) has an excellent prognosis. We aimed to evaluate the evolution of therapeutic strategies over time and the clinical outcome of MPTC. METHODS: In this retrospective multicenter observational study in a northwest Italian region, patients with intrathyroidal, unifocal tumor ≤1 cm in size, incidentally found at histology or preoperative cytology diagnosis, were included. Exclusion criteria were a previous head-and-neck irradiation and/or node metastases...
September 2016: European Thyroid Journal
https://www.readbyqxmd.com/read/27833974/papillary-thyroid-cancer-stroma-histological-and-immunohistochemical-study
#19
Tatiana Georgiana Radu, Marius Eugen Ciurea, Stelian ŞtefăniŢă Mogoantă, Cristina Jana Busuioc, Florin Grosu, Mihaela Ţenovici, Ileana Octavia Petrescu, Ionela Mihaela Vladu
Thyroid cancer is the most frequent endocrine neoplasia. The incidence of the disease has been increasing in the past few decades in many regions, especially where the population was subject to some forms of accidental exposure. Among all the histopathological forms, papillary thyroid cancer (PTC) is the most common histological subtype of malignant thyroid tumor, representing about 80-90% of all malignant thyroid tumors. Although it is generally accepted that tumor stroma plays an essential role in the development and metastasis of tumor cells, histopathological studies focused on tumor cells characteristics...
2016: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/27830477/association-of-thyroid-hormone-concentrations-with-quality-of-life-of-primary-brain-tumor-patients-a-pilot-study
#20
Adomas Bunevicius, Edward R Laws, Vytenis Deltuva, Arimantas Tamasauskas
Reduced triiodothyronine (T3) concentrations were implicated in worse prognosis of brain tumor patients. In this study we investigated the association of normal and abnormal thyroid hormone concentrations with health-related quality of life (HRQoL) of patients with primary brain tumors. Sixty-three patients (67% women and a mean age of 55.5 ± 13.8 years) before brain tumor surgery were evaluated for: (1) HRQoL using the EORTC questionnaire for cancer patients (QLQ-C30) and the Brain Cancer-Specific Quality of Life Questionnaire (QLQ-BN20); (2) functional status (Barthel Index); and (3) clinical disease severity...
November 9, 2016: Journal of Neuro-oncology
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