Search Results
Results 351 - 400 of 1723
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Islam Najmul - - 2007
Papillary carcinoma of thyroid tends to be indolent. This is an unusual case of papillary carcinoma of thyroid with asymptomatic pulmonary metastasis for more than a decade, finally presenting with mild respiratory symptoms in a 21-year-old female. Fine needle aspiration and cytology (FNA-C) of a nodule in the lungs revealed ...
Tien Kai-Jen - - 2007
Thyroid gland suppuration is a rare condition with nonspecific features. For this reason, diagnosis is often delayed, which may lead to a life-threatening situation. Causative agents are often gram-positive bacteria, such as Staphylococcus aureus and Streptococcus pneumoniae. With appropriate antibiotics and drainage of the abscess, the prognosis is usually excellent. ...
Ugolini Clara - - 2007
Extremely small (often 0.5-4 mm) incidental thyroid malignancies (incidental microcarcinomas, IM) might be discovered at histological examination after surgery in patients who were operated on for benign thyroid conditions. Morphologically, these malignancies have virtually always features of differentiated papillary thyroid carcinoma (PTC). Although IM are in general considered of little ...
Zenda Takahiro - - 2007
An unusual form of thyrotoxicosis due to chronic thyroiditis is described. A 78-year-old debilitated woman was admitted because of fever to 38 degrees C persisting for the previous 16 months, for which the antipyretic effect of diclofenac sodium and pranoprofen had been insufficient or transient. Intense accumulation of gallium-67 citrate ...
Yehuda Moshe - - 2007
OBJECTIVES: To evaluate the positive predictive value of a thyroid nodule being malignant when categorized as atypical, and to determine the prognostic implications of specific cytopathological features. DESIGN: Retrospective review of consecutive patients undergoing thyroid surgery following fine-needle aspiration biopsy (FNAB) of thyroid nodules. SETTING: Academic teaching hospital in Toronto, ...
Lee Fang-Yi - - 2007
Rosai-Dorfman disease (RDD) with thyroid involvement is extremely rare; we herein present the sixth known case with a review of the previously reported five cases and discuss the clinicopathological characteristics of this entity. RDD with thyroid involvement has occurred only in females with a mean age of 56.3 years, which ...
Kim Jae Won - - 2007
Fine-needle aspiration cytology (FNAC) of thyroid nodules has become the primary diagnostic tool in the evaluation of thyroid nodules. However, the diagnostic utility of thyroid cytology may be limited by the presence of atypical cytologic patterns. In patients with atypical cytology in FNAC, treatment concept is not established. The purpose ...
Yağci Begül - - 2007
Langerhans cell histiocytosis (LCH) is a disorder with unclear etiology and pathogenesis characterized by abnormal clonal proliferation and accumulation of antigen presenting Langerhans' cells at various tissues and organs. Almost all organs or systems may be involved, and the prognosis depends on the involved sites and the presence of organ ...
Chaturvedi Anshuman - - 2007
Chondrometaplasia of larynx is a rare entity with an unknown etiopathogenesis. The lesion remains asymptomatic unless it reaches a large size and a history of trauma is usually elicited. It is a known pitfall in diagnostic evaluation and a clinically significant differential considered in evaluation of cartilaginous tumors of the ...
Sakurai Kenichi - - 2007
Thyroid hemiagenesis is a very rare anomaly. We herein report a case with right thyroid lobe agenesis, which was incidentally found during the assessment of primary hyperparathyroidism. A 42-year-old male presenting with urinary lithiasis was suspected of having primary hyperparathyroidism, and had elevated levels of both serum calcium and intact ...
Shah Bhavin C - - 2007
Ectopic thyroid tissue may be encountered anywhere from the foramen caecum to the lower neck. It is rarely seen in the mediastinum. True malignant transformation in ectopic thyroid tissue is extremely rare. Such a malignancy is virtually always diagnosed after surgical excision of the lesion at pathological examination. We report ...
Simpson Karen W - - 2007
Histologic changes of regression have been recognized in many malignant tumors, although they have not been documented in thyroid carcinoma. We analyze here the histologic features of 2 cases of papillary thyroid microcarcinoma, one of the diffuse sclerosing variant and another multicentric of the follicular variant, that suggest partial regression. ...
Matesa N - - 2007
OBJECTIVE: To investigate whether the presence of macrophages and Hürthle cells (HC) in benign thyroid lesions could explain the false-positive expression of galectin-3 and CD44v6 detected by reverse transcriptase-polymerase chain reaction (RT-PCR). METHODS: For galectin-3 and CD44v6, RT-PCR was performed on RNA isolated from aspirates obtained by ultrasound guided fine ...
Flavin Richard - - 2007
Struma ovarii is an extremely rare tumor that occasionally undergoes malignant transformation. Because struma ovarii is composed of thyroid tissue, it is conceivable that the pathogenetic events involved in thyroid follicular transformation may take place also in struma ovarii. The authors describe a case of a classical variant of papillary ...
Sharma A Barindra - - 2007
Papillary carcinoma is the most common malignant tumour of thyroid gland which can occur in any age group with most tumours diagnosed in the third and fifth decades predominantly in the females. FNAC is emerging as the first line of investigation for any thyroid enlargement including tumours as a safe, ...
Hung Chia-Sui - - 2007
Langerhans cell histiocytosis (LCH) involving the thyroid is very rare. It can be easily confused with far more common benign goiters or thyroid neoplasms. We report on a 5-month-old female patient presenting with progressive enlargement of an anterior neck mass. This patient underwent left subtotal thyroidectomy following which a diagnosis ...
Lee Jeong Hyun - - 2007
We evaluated the ultrasonographic findings and performed ultrasonography-guided fine-needle aspiration biopsy of a newly detected nodule in the thyroid bed of 38 patients with postoperative thyroid carcinoma. Detection of a marginal irregularity, microcalcification, or a shape not parallel to the surrounding tissue plane might allow the identification of recurrent thyroid ...
Paksoy Nadir - - 2007
BACKGROUND: Ectopic lesions are rarely encountered. Those that are derived from thyroid, breast, endometrium and salivary glands present with palpable masses that can mimic malignancy. Fine needle aspiration cytology (FNAC) is a practical procedure for the differential diagnosis of such lesions but can reveal surprising images for a cytopathologist. CASES: ...
Kureshi Faraz - - 2007
Leg edema is a common clinical problem and the differential diagnosis is extensive. We present 4 patients in whom thyroid dermopathy was the cause of leg edema. Examination of the eyes and the nature of the edema were clues to the diagnosis of thyroid dermopathy. Clinical signs should be documented ...
Kwak J Y - - 2007
AIM: To evaluate the ultrasound (US) features of the diffuse sclerosing variant of papillary carcinoma (DSVPC) of the thyroid, with histopathological correlations. MATERIALS AND METHODS: The US and histopathological findings of six patients with surgically proven DSVPC of the thyroid were retrospectively assessed. RESULTS: Most of cases showed diffuse, scattered ...
E.T.M. Nyawawa, S. Yongolo, ...
Background: Since the introduction of radioactive isotope scanning facilities in Tanzania, there has been no study to determine in the usefulness of this modality in evaluating the pattern of goiters. The aims of this study were to determine the pattern of radionuclide scan, its accuracy in diagnosing the nature of ...
Kim Tae Soo - - 2007
We report a rare case of hyperfunctioning papillary carcinoma of the thyroid. A 32-year-old man was referred to our hospital for the treatment of a painless mass in the left neck, which had been detected on routine physical check-up. Cervical ultrasonography and computed tomography showed a solid tumor with calcification ...
Isowa Noritaka - - 2007
We report on a rare case of substernal thyroid carcinoma extending into the posterior mediastinum of a 48-year-old man. The tumor was resected by partial sternotomy and a small anterior thoracotomy, combined with video-assisted thoracoscopy. The pathological diagnosis was of a well differentiated papillary adenocarcinoma of the thyroid with mediastinal ...
Papi Giampaolo - - 2007
Solitary fibrous tumor (SFT) is a rare spindle-cell neoplasm more commonly involving the pleura, but recognized also in other tissues. Nineteen patients with SFT arising from the thyroid gland have been reported in the literature. The present report reviews these cases and discusses epidemiology, etio-pathogenesis, clinical-pathologic characteristics, differential diagnosis, therapy, ...
Yang Jeong Hoon - - 2007
A 42-year old woman presented with headache, palpitation and facial flushing. Ultrasonograms and computed tomograms revealed tumors in both of the adrenal glands, anterior aspect of the inferior vena cava, and the right lobe of the thyroid gland. Fine needle aspiration biopsy of the thyroid nodule revealed papillary thyroid carcinoma. ...
Finn S P - - 2007
The most common sub-variant of papillary thyroid carcinoma (PTC) is the so-called follicular variant (FVPTC), which is a particularly problematic lesion and can be challenging from a diagnostic viewpoint even in resected lesions. Although fine needle aspiration cytology is very useful in the diagnosis of PTC, its accuracy and utility ...
Demirci Hüseyin - - 2007
BACKGROUND: The aim of this study was to evaluate the biochemical composition and cytological examination of 25 thyroid cyst fluid specimens that were obtained by fine needle aspiration, and to compare results according to gender and color of cyst fluid. We anticipated that measuring biochemical routine parameters in cyst fluid ...
Rago T - - 2007
OBJECTIVE: The cytological patterns of follicular and Hupsilonrthle cell nodules are included among the indeterminate results of fine-needle aspiration cytology, because distinction between benign and malignant lesion can only be made on histological criteria. The diagnostic value of atypia at cytology, clinical parameters and echographic patterns were examined to establish ...
Takeyama Hiroshi - - 2007
Although fine needle aspiration (FNA) cytology has increasingly gained importance as a tool in thyroid diagnosis over the recent years, up to 20% of thyroid carcinomas, in particular follicular tumors and follicular variant tumors, are inconclusive by FNA. The monoclonal antibody (MoAb) JT-95 detects the modified fibronectin, expressed in most ...
Hofmann Andrea - - 2007
BACKGROUND: The pathogenesis of cystic thyroid nodules is incompletely understood. Based on the assumption that vascular endothelial growth factor (VEGF) may play an important role in the pathogenesis of thyroid cyst fluid, we investigated the VEGF concentration in cyst fluids of thyroid lesions. DESIGN: Cyst fluids from 24 patients (age ...
Nassar Aziza - - 2007
The main goal of thyroid fine-needle aspiration (FNA) is to distinguish nodules that require surgery from those that do not, thereby decreasing the number of diagnostic thyroidectomies. Several cytologic preparations are used to reach a definitive diagnosis, including smears using conventional stains, such as Diff-Quik (DQ) and Papanicolaou (Pap), millipore ...
Saber A - - 2007
The incidence of metastasis to the thyroid gland in autopsy series varies from 1.25 % to 24%. Metastasis to the thyroid gland is usually considered as a terminal event, and the effectiveness of conventional treatment has been questioned. Seven patients with metastasis to the thyroid gland were studied retrospectively. Primary ...
Titi Sami - - 2007
A 54-year-old woman, a teacher with a two-year history of a thyroid gland enlargement was referred to the Surgeon Ward with a preliminary cytological diagnosis of schwannoma. Histological examination of the resected tumour revealed a malignant mesenchymal tumor and a primary fibrosarcoma of the thyroid gland was ultimately confirmed. Currently, ...
Bhatia Alka - - 2007
BACKGROUND: Clinical, biochemical, ultrasonographic, radionuclide and cytomorphological observations in Lymphocytic thyroiditis (LT), to define the cytological grading criteria on smears and correlation of grades with above parameters. METHODS: This prospective study was conducted on 76 patients attending the Fine needle aspiration cytology clinic of a tertiary care institute in North ...
Capezzone Marco - - 2007
OBJECTIVE: To describe a rare case of ectopic intrathyroidal parathyroid cyst (PC) in a 29-year-old woman who had been referred to us because of a multinodular goiter. METHODS: We review the clinical, laboratory, and radiographic findings as well as the treatment in our patient and provide a brief discussion of ...
Boutross-Tadross Odette - - 2007
Struma ovarii is a rare monodermal ovarian teratoma in which thyroid tissue is the predominant or exclusive element. Malignant transformation is known to occur, usually as classical papillary thyroid carcinoma (PTC). However, the recognition of follicular variant PTC raises the possibility of similar malignancy arising in struma ovarii. We examined ...
Finora Kevin - - 2007
Hypothyroidism is a common endocrinopathy in dogs but is rare in cats. Lymphocytic thyroiditis and idiopathic thyroid atrophy are common causes of this condition. Specific thyroid function tests, in conjunction with clinical signs and physical examination findings, are used to help confirm a diagnosis of hypothyroidism. This disease can be ...
Ozpolat Berkant - - 2007
Intrathoracic ectopic goiters are rare. To our knowledge, only two reports of thyroid tissue on the aorta have been reported in the English literature. A 42-year-old woman was found to have a right paracardiac mass. Sternotomy revealed a firm and encapsulated tumor attached to the anterolateral surface of the ascending ...
Oertel Yolanda C - - 2007
Many endocrinologists are dissatisfied with the cytopathology reports from thyroidal aspirates and unsure of how to proceed with the management of their patients. Endocrinologists and cytopathologists should have a symbiotic or complementary professional relationship if patients are going to be well served. The endocrinologist has responsibilities to the pathologist and ...
Kini Usha - - 2007
Fine needle aspiration (FNA) of thyroid is a cost-effective, simple, diagnostic tool in the initial screening of patients with thyroid lesions. Its role in a minimally enlarged thyroid in a symptomatic patient suspected of thyroid dysfunction is now well known. It plays an important role in the medical management of ...
Meher, Ravi; Himalayan Institute ...
Involvement of thyroid gland by filariasis is an unusual finding. We report a case in which microfilaria was found in thyroid aspirate smear. Patient did not have any symptoms or signs suggestive of filariasis. The patient was treated with diethylcarbamazine and a later hemithyroidectomy was performed. We reviewed the literature ...
Skilbeck C - - 2007
Thyroid lobectomy with isthmusectomy is the standard surgical technique for removal of unilateral thyroid nodules, and it involves the exposure of the tracheoesophageal grooves. Thyroid isthmusectomy is a surgical procedure that excises only the thyroid isthmus. It allows excision of a lesion without the exposure of the tracheoesophageal grooves. We ...
Lanzafame S - - 2006
The thyroid-associated transcription factor-1 (TTF-1) is a nuclear tissue specific protein, found only in thyroid and thyroid tumors regardless of histologic type as well as in lung carcinomas. Most ectopic thyroid tissue are found along the thyroglossal duct tract and around the bilateral main lobes of thyroid glands. Ectopic thyroid ...
Kim Seong-Jang - - 2006
OBJECTIVE: To compare visual and semiquantitative indices of double phase thallium-201 thyroid scintigraphy (DTS) for differentiation of malignant nodules by indeterminate fine needle aspiration biopsy (FNAB) results. DESIGN: DTS (early; 15 minutes; delayed, 2 hour) were performed after injection of 37MBq of thallium-201 in 60 patients with indeterminate FNAB. MAIN ...
Tamiolakis Demetrio - - 2006
Implantation of cancer cells from needle biopsy has been reported in a wide range of malignancies. Fine needle aspiration biopsy has become an accepted method for assessment of thyroid nodules. Local reappearance of thyroid cancer from needle track dissemination is a rare complication of thyroid aspiration. A 45-year-old female developed ...
Wang Ning - - 2006
BACKGROUND: Calcification can be detected in both benign and malignant nodules and is often neglected by clinical physicians. The purpose of this study was to investigate the association of thyroid nodule calcification detected on ultrasound with thyroid carcinoma. METHODS: One hundred seven cases of thyroid carcinoma and 215 cases of ...
Zekri J M - - 2006
Metastatic malignant struma ovarii is rare and there is a lack of agreement on the criteria of diagnosis and the lines of management. Here we describe a patient with struma ovarii that was initially diagnosed as benign and presented 10 years later with distant metastases. At this time, a pathological ...
Walts Ann E - - 2006
Fine-needle aspiration (FNA) is a widely utilized cost-effective method for the initial evaluation and triage of thyroid nodules. On occasion, a variety of non-thyroidal lesions can be mistaken for thyroid nodules on physical examination or in imaging studies and aspirated. Paraesophageal/ pharyngoesophageal diverticula masquerading as a thyroid nodule have been ...
Karapanagiotou Elena - - 2006
Although metastases within the thyroid gland are rare, they are not as infrequent as generally believed. Asymptomatic breast, lung, and renal cell carcinomas may metastasize to the thyroid. When they become symptomatic, diagnosis relies upon fine needle aspiration cytology. We report the case of a squamous cell cervical cancer that ...
Shimada Taketoshi - - 2007
Multiple myeloma, solitary plasmacytoma, and extramedullary plasmacytoma constitute a continuous disease spectrum of plasma cell neoplasms. In the larynx, although extramedullary plasmacytoma in the supraglottic region has been sometimes reported, plasma cell neoplasm with involvement of the thyroid cartilage is extremely rare. We report a case of multiple myeloma involving ...
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