Cases reported "Carcinoma, Papillary"

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1/290. thyroid gland papillary carcinoma with fibromatosis-like stroma: case report.

    Papillary carcinoma of the thyroid may show a variable degree of fibrosis of the stroma, but proliferation of the stromal fibroblasts mimicking fibromatosis is rare. There appears to be a new variant of papillary carcinoma of the thyroid associated with exuberant proliferation of the fibroblasts resembling fibromatosis. We present one such case in a 50 year old woman and succinctly reviewed the relevant literature of this rare variant. The necessity of a diligent search for a papillary carcinoma in thyroid gland which shows a proliferative fibrous lesion is stressed.
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2/290. Thyroid autonomy (Plummer's disease) with contralateral malignancy--mere coincidence?

    A patient with an autonomously functioning nodule in the left lobe and a papillary carcinoma in the right lobe of the thyroid gland is described. Some evidence suggests the association to be more than coincidental.
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3/290. Successful surgical treatment of a solitary parapharyngeal metastasis from thyroid cancer, using the mandibular swing-transcervical approach: report of a case.

    A 72-year-old man presented with a right parapharyngeal mass, 4 cm in diameter, which was subsequently diagnosed as a metastasis originating from papillary carcinoma of the thyroid gland. The parapharyngeal tumor was successfully removed by the mandibular swing-transcervical approach with pharyngeal reconstruction, performed using a buccal mucosal island flap based on the facial artery. His postoperative course was uneventful, and the preoperative clinical symptoms such as dysphagia and headaches completely resolved after surgery.
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4/290. Thyroid lung metastasis diagnosed 47 years after thyroidectomy.

    A 75-year-old woman underwent excision of a middle lobe lung nodule that contained a separate, isolated focus of metastatic papillary thyroid carcinoma. A thyroid lobectomy for papillary cancer had been performed 47 years earlier. This interval is believed to be the longest time from initial diagnosis to identification of distant lung metastasis reported. The pertinent published reports are reviewed and methods of surveillance discussed.
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5/290. Mucosa-associated lymphoid tissue (MALT) lymphoma of the thyroid: report of a case.

    The patient was 59-year-old Japanese woman who presented with a neck swelling. ultrasonography and computed tomography demonstrated a round tumor in the thyroid right lobe measuring 2.5 x 1.5 cm in size. A right hemithyroidectomy with lymph node dissection was performed. Histopathological findings demonstrated low-grade B cell lymphoma of the mucosa-associated lymphoid tissue (MALT) associated papillary microcarcinoma. A previous report showed an excellent prognosis of MALT lymphoma of the thyroid without capsular invasion or lymph node involvement. We also describe the concept of MALT lymphoma as a primary lesion in which lymphoid tissue is not present in the normal state.
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6/290. Cribriform-morular variant of papillary carcinoma: a distinctive variant representing the sporadic counterpart of familial adenomatous polyposis-associated thyroid carcinoma?

    We describe herein four cases of an unusual sporadic thyroid tumor that shares the morphologic features of a distinctive follicular cell neoplasm previously proposed as a feasible indicator of familial adenomatous polyposis. We also review five other similar cases reported in the literature. All of the nine patients were young women, aged 16 to 30 years. Grossly, the neoplasms measured 1.5 to 5.6 cm; they were solid and solitary, except one case, which showed two tumor nodules, one in each lobe. Histologically, the lesions were encapsulated, and they exhibited an intricate blending of cribriform, follicular, papillary, trabecular, and solid patterns of growth, with morular (squamoid) areas. Cribriform structures were prominent, being formed by anastomosing bars and arches of cells in the absence of intervening fibrovascular stroma. Follicular areas were usually devoid of colloid, and the papillae were lined by columnar cells. There were focal areas of trabecular arrangement reminiscent of hyalinizing trabecular adenoma. The tumor cells were cuboidal or tall, with frequent nuclear pseudostratification and abundant eosinophilic-to-oxyphilic cytoplasm. The nuclei were usually hyperchromatic, but nuclear grooves, pale or clear nuclei, and intranuclear cytoplasmic inclusions were variably present. Morules with peculiar nuclear clearing caused by biotin accumulation were scattered in the tumors. Vascular and/or capsular invasion were noted in all of the cases except one, and lymph node metastasis was found in two cases. Immunohistochemical stains showed reactivity for thyroglobulin, epithelial membrane antigen, cytokeratins (including 34betaE12), vimentin, estrogen and progesterone receptors, bcl-2, and Rb proteins. Follow-up in seven cases showed that all of the patients were alive with no evidence of disease at 1 to 13 years after diagnosis. Thus, the behavior of this variant seems to be similar to that of conventional papillary carcinoma Because of the distinctive histologic features, we propose naming this tumor the cribriform-morular variant of papillary carcinoma.
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7/290. carcinoma of the thyroid gland, adenoma of the adrenal cortex and peptic ulcer: an unreported association.

    A 39-year-old man, operated on for duodenal ulcer, was found to have a papillary carcinoma of the thyroid, an aldosterone-producing adenoma of the adrenal cortex, and a recurrence of a peptic ulcer. The probable coincidental occurrence of these diseases in this patient is suggested. Nevertheless, careful investigation of the other endocrine glands in patients with endocrine tumors is recommended.
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8/290. Intraductal papillary carcinoma of the parotid gland with low malignancy.

    A peculiar case of papillary carcinoma arising in the parotid gland is reported. A 68-year-old woman presented with a right, painless, parotid mass, measuring approximately 3 cm in greatest diameter. A conservative parotidectomy was performed. Histologically, the neoplasm showed exophytic papillary projections into a cavity. The cells were focally suggestive of epidermoidal differentiation, whereas a transitional differentiation was noted in other portions, as in bladder papilloma. Immunohistochemical studies showed strong positivity of the neoplastic cells for cytokeratin and weak positivity for PCNA and Mib-1. We classified this neoplasm among the papillary tumors with a low-grade of malignancy.
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9/290. Cytologic diagnosis of a solitary brain metastasis from papillary carcinoma of the thyroid. A case report.

    BACKGROUND: Papillary carcinoma of the thyroid metastasizes to the brain in rare instances. In published series and case reports of metastatic papillary thyroid carcinoma, diagnosis of central nervous system (CNS) metastases has been determined by histologic methods. We present a case of papillary carcinoma metastatic to brain diagnosed by cytologic methods. CASE: A 43-year-old female, initially diagnosed at age 12 with papillary carcinoma of the thyroid metastatic to regional lymph nodes and lung, presented with head aches of increasing frequency and severity. A computed tomography scan confirmed a 1-cm nodule in the right inferior frontal lobe of the brain. For clinical reasons, the patient was followed with serial imaging for five years. At age 48 there was significant progression of the CNS disease, and the patient underwent stereotactic biopsy with drainage of cyst fluid. Cytologic examination of the cyst fluid and immunocytochemical studies confirmed the typical features of papillary thyroid carcinoma, including papillary clusters of cells with finely granular chromatin, micronucleoli, nuclear grooves and an associated psammoma body. CONCLUSION: Neurocytology is a useful technique in the examination of cystic lesions of the brain and may be the sole technique for determination of diagnosis.
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10/290. Tall cell variant of papillary carcinoma coexisting with chronic lymphocytic thyroiditis. A case report.

    BACKGROUND: Recent studies have shown a correlation between lymphocytic thyroiditis and papillary carcinoma of the thyroid. It is thought that autoimmune thyroiditis could be a risk factor for the development of thyroid carcinoma, mainly for the papillary variant. CASE: A 59-year-old female presented with a history of enlargement in the neck and five months of dysphagia. Clinical examination showed generalized expansion and an increase in the hardness of the thyroid gland. Hormonal outline showed subclinical hypothyroidism with serum levels of TSH slightly elevated (5 micrograms/dL; range, 0.25-4). thyroglobulin antibodies and thyroperoxidase titers were moderately positive. Given these results, a diagnosis of chronic thyroiditis was made. Thyroid ultrasound scan showed diffuse gland irregularity and the presence of a solitary nodule (2.3 cm in diameter) localized in the right lobe. Fine needle aspiration biopsy (FNAB) of the nodule was performed under ultrasound guidance. CONCLUSION: Although clinical and laboratory results supported the diagnosis of autoimmune thyroiditis only, FNAB of the nodular lesion provided evidence of a rare case of papillary carcinoma, tall cell variant, confirmed by histologic results.
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keywords = gland, lobe
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