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Adenoma
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1. Giant pleomorphic adenoma of soft palate leading to obstruction of the nasopharyngeal port.
Match Strength: 6.785

Pleomorphic adenoma is the most common tumor of minor salivary glands, but it is rarely located in the soft palate. It is generally a small mass at the time of diagnosis, but if it is neglected it can rarely become larger, leading to obstructive symptoms such as snoring, hypernasal speech, and dysphagia. Surgical removal of the mass is curative. In this paper, we present a case of an unusually large pleomorphic adenoma of the soft palate leading to snoring and hypernasal speech. The defect that resulted from the excision of the mass is covered with a uvular flap. Publication Types: Case ... Read More »
» Published in J Craniofac Surg. 2006 Sep;17(5):1001-4.

2. Parathyroid lipoadenoma: case report and review of the literature.
Match Strength: 6.772

Parathyroid lipoadenoma is a rare variant of parathyroid adenoma showing intermingling of chief/ oxyphil cells with abundant mature adipose cells, the latter comprising 20-90% of the tumour. Approximately thirty-five cases have been reported previously. We report a case of 41-year old woman who presented with clinical manifestations of primary hyperparathyroidism. She had elevated serum calcium and parathyroid hormone levels. Radiological investigations suggested presence of adenoma. Intra-operatively, parathyroid adenoma was found in the neck in an ectopic location behind the carotid sheath ... Read More »
» Published in Indian J Pathol Microbiol. 2006 Jul;49(3):404-6.

3. Enhancement of pituitary adenoma cell invasion and adhesion is mediated by discoidin domain receptor-1.
Match Strength: 6.214

The discoidin domain receptor-1 (DDR1) tyrosine kinases are a family of cell surface receptors that bind to several types of collagen and facilitate cell adhesion that is known association with several cancers. However, no previous study has examined the expression and function of DDR1 in pituitary adenoma. Tissue microarray analysis of DDR1 expression levels in 52 pituitary adenoma tissues revealed that DDR1 expression was significantly related to hormonal background (Kruskal-Wallis test; P < 0.0001). To further elucidate the function of DDR1 in pituitary adenoma, we developed DDR1 over- ... Read More »
» Published in J Neurooncol. 2006 Sep 26;

4. Myxoid lipoadenoma of parathyroid gland: a case report and literature review.
Match Strength: 6.118

Myxoid lipoadenoma of the parathyroid gland is a rare variant of parathyroid adenoma. We present the case of a 40-year-old man with asymptomatic hypercalcemia who underwent surgical removal of a parathyroid adenoma. Histologically, the tumor consisted of monomorphous round-to-oval chief cells arranged in several architectural patterns including solid sheet-like, trabecular, and follicular. The tumor stroma was prominently myxoid with interspersed mature adipose tissue. Immunohistochemistry confirmed expression of thyroid transcription factor and parathyroid hormone by all tumor cells and a low ... Read More »
» Published in Ann Diagn Pathol. 2006 Oct;10(5):294-6.

5. Malignant phyllodes tumor with heterologous liposarcomatous differentiation and tubular adenoma-like epithelial component.
Match Strength: 5.512

Phyllodes tumor of the breast is a biphasic fibroepithelial neoplasm. A 30-year-old woman presented with a 1-year history of a palpable, asymptomatic right breast mass without axillary lymphadenopathy and family history of breast carcinoma. Malignant phyllodes tumor was diagnosed. The authors present not previously described histological appearance of this tumor where an epithelial component was identical to that of a tubular adenoma of the breast, with the review of the literature. This is in addition to very rare liposarcomatous stromal differentiation in the malignant phyllodes tumor ... Read More »
» Published in Int J Med Sci. 2006 Aug 15;3(4):130-4.

6. Intracellular role for sphingosine kinase 1 in intestinal adenoma cell proliferation.
Match Strength: 5.383

Sphingosine kinase (Sphk) enzymes are important in intracellular sphingolipid metabolism as well as in the biosynthesis of sphingosine 1-phosphate (S1P), an extracellular lipid mediator. Here, we show that Sphk1 is expressed and is required for small intestinal tumor cell proliferation in Apc Min/+ mice. Adenoma size but not incidence was dramatically reduced in Apc Min/+ Sphk(-/-) mice. Concomitantly, epithelial cell proliferation in the polyps was significantly attenuated, suggesting that Sphk1 regulates adenoma progression. Although the S1P receptors (S1P1R, S1P2R, and S1P3R) are expressed, ... Read More »
» Published in Mol Cell Biol. 2006 Oct;26(19):7211-23.

7. Evidence of lymphangiogenesis in Warthin's tumor of the parotid gland.
Match Strength: 4.801

The details of the pathogenesis of cystadenolymphoma (Warthin's tumor) of the parotid gland are still unclear. Neovascularization is considered to be a pivotal factor for solid tumor progression and biological behavior of the tumor. Using double-labeling immunohistochemistry for LYVE-1 and CD34 (specific markers for lymphatic and vascular endothelial cells, respectively) this study analyzes lymphatic vessel density (LVD) and blood vessel density (BVD) in 10 Warthin's tumors and 10 pleomorphic adenomas of the parotid gland as well as in 5 normal parotid glands and 5 normal parotid lymph nodes. ... Read More »
» Published in Oral Oncol. 2006 Sep 21;

8. Screening for primary aldosteronism.
Match Strength: 4.645

Normokalaemic manifestation of primary aldosteronism is a frequent cause of secondary hypertension. It occurs in approximately 5-12% of all patients with hypertension, primarily patients with severe and uncontrolled blood pressure. Main causes are bilateral adrenal hyperplasia (2/3 of cases) and aldosterone-producing adenoma (1/3 of cases). Screening is performed by measurement of the aldosterone/renin ratio, which is raised in affected patients. Suspicion of primary aldosteronism due to a pathological ratio requires confirmatory testing e.g. by saline infusion test or fludrocortisone ... Read More »
» Published in Best Pract Res Clin Endocrinol Metab. 2006 Sep;20(3):369-84.

9. Nephrogenic adenoma: an update on an innocuous but troublesome entity.
Match Strength: 4.210

Nephrogenic adenoma (NA) is a rare benign lesion of the urothelial tract that is typically preceded by some form of genitourinary insult. The pathogenesis of NA is not entirely clear. Although generally presumed to be a metaplastic process of the urothelium, recent evidence suggests that NA may in fact be derived from detached renal tubular cells implanting along the urothelial tract in previously injured areas, at least in cases associated with a kidney transplant. On light microscopy, NA shows a variety of patterns, including tubulocystic, papillary, and much less frequently solid, that ... Read More »
» Published in Adv Anat Pathol. 2006 Sep;13(5):247-55.

10. Suprasellar and intrasellar paragangliomas.
Match Strength: 3.291

Neoplasms of the sellar region are entities with a large differential diagnosis. Although paraganglionic cells have not been demonstrated in the pituitary or adjacent structures, the existence of sellar region paragangliomas is well-documented. To elucidate, in this area the nature of these unusual tumors is relatively difficult. Clinical history, physical examination, radiographic investigation as well as intraoperative gross observation are the same as those of sellar meningioma or pituitary adenoma. Immunohistochemistry, using neuroendocrine markers and electron microscopy are the two ... Read More »
» Published in Clin Neuropathol. 2006 Sep-Oct;25(5):221-6.

11. Parathyroid carcinoma.
Match Strength: 3.281

Parathyroid carcinoma is a very rare cause of primary hyperparathyroidism and these tumors are usually hyper-functioning as compared to other malignant endocrine tumors. Surgery is the only effective primary treatment. We report a patient, who presented with pathological fracture of femur, hypercalcemia, bilateral renal stones, markedly raised Parathormone levels and palpable mass in the neck. Parathyroid adenoma was initially diagnosed and localized at left lower gland by Sestamibi scan and ultrasonography. She underwent surgery and enlarged parathyroid gland was removed. Intra operatively ... Read More »
» Published in J Ayub Med Coll Abbottabad. 2006 Apr-Jun;18(2):84-5.

12. Interleukine-6 (IL-6) may be a link between myasthenia gravis and myoepithelioma of the parotid gland.
Match Strength: 3.131

Myoepithelioma is a rare benign neoplasm of the salivary glands occurring more frequently in the parotids. Myasthenia gravis (MG) is a chronic, T-cell dependent, antibody and complement-mediated autoimmune neuromuscular transmission disorder. Interleukine-6 (IL-6) is an immune protein belonging to the family of the hematopoietins, liberated in response to infection, burns, trauma, and neoplastic diseases. It seems that an overproduction of IL-6 might play an important role in the pathophysiology of MG. Moreover, it has been discussed the possible role of IL-6 as a modulating factor either in ... Read More »
» Published in Med Hypotheses. 2007;68(2):314-7. Epub 2006 Sep 25.

13. Necrosis of a large hepatic tumor after hemorrhage and subsequent selective arterial embolization.
Match Strength: 3.015

This case report describes a young female patient presenting with acute intra-abdominal hemorrhage originating from a large tumor in the liver, most likely a hepatocellular adenoma. The bleeding was stopped by selective embolization of right hepatic artery branches. Subsequently, partial hepatectomy was performed after 6 mo. Macro- and microscopic examination showed complete necrosis and absence of tumorous tissue. The patient was discharged without complications, and subsequent follow-up until 22 mo after resection did not reveal any new lesions in the liver. This case emphasizes the ... Read More »
» Published in World J Gastroenterol. 2006 Oct 7;12(37):6059-61.

14. Surgically correctable hypertension caused by primary aldosteronism.
Match Strength: 2.911

Surgically correctable forms of primary aldosteronism are generally held to be less common than forms requiring medical therapy. However, with the availability of improved diagnostic techniques and the adoption of a systematic and thorough diagnostic work-up they can be identified more commonly than expected. Adrenal vein sampling (AVS) for measurement of cortisol and aldosterone has emerged as the 'gold standard' diagnostic test for identifying unilateral causes of primary aldosteronism that are amenable to surgical cure. Adrenalectomy can provide long-term normalisation of blood pressure and ... Read More »
» Published in Best Pract Res Clin Endocrinol Metab. 2006 Sep;20(3):385-400.

15. Sciatic hernia with an early-stage adenocarcinoma of the appendix: report of a case.
Match Strength: 2.908

Sciatic hernia and early-stage appendiceal adenocarcinoma are rare disorders. We report herein a case of an early stage of appendiceal adenocarcinoma found incidentally during an operation for sciatic hernia. An 80-year-old woman was admitted to our hospital with abdominal distension. Abdominal computed tomography showed a small bowel obstruction and a small bowel loop through the right sciatic foramen outside the pelvic cavity. During an operation for the repair of the sciatic hernia, a deformed appendix was found incidentally and a simple appendectomy was also performed. Histological ... Read More »
» Published in Hiroshima J Med Sci. 2006 Sep;55(3):93-5.

16. Intra-oral minor salivary gland tumors: A clinicopathological study of 546 cases.
Match Strength: 2.839

Salivary gland tumors are uncommon and most reported series include tumors affecting both major and minor glands. Very few series have focused solely on intra-oral minor salivary gland tumors. The aim of this study is to report the clinicopathological data of intra-oral minor salivary gland tumors in our oral biopsy files during the last 14 years. A total of 546 minor salivary gland tumors, including 305 benign (55.9%) and 241 malignant (44.1%) lesions, were reviewed. The two most common tumors were pleomorphic adenoma (181 cases, 33.2%) and mucoepidermoid carcinoma (125 cases, 22.9%), and the ... Read More »
» Published in Oral Oncol. 2006 Sep 14;

17. Assessment of CD43 expression in adenoid cystic carcinomas, polymorphous low-grade adenocarcinomas, and monomorphic adenomas.
Match Strength: 2.608

OBJECTIVE: Distinguishing between adenoid cystic carcinoma (ACC), polymorphous low-grade adenocarcinoma (PLGA), and monomorphic adenoma (MA) can occasionally pose a diagnostic challenge. It is of interest to identify a marker that can differentiate between these tumors. CD43 is a sialoglycoprotein that is typically expressed by hematopoietic cells and their derivative neoplasms, although positivity in epithelial tumors has been recently recognized. Our aim was to investigate CD43 immunoreactivity in ACCs, PLGAs, and MAs. STUDY DESIGN: Formalin-fixed paraffin-embedded sections from 40 salivary ... Read More »
» Published in Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2006 Oct;102(4):495-500. Epub 2006 Jun 16.

18. Causes of hypercalcemia in a population of military veterans in the United States.
Match Strength: 2.420

OBJECTIVE: To determine the various causes of hypercalcemia in a population of US veterans at the San Diego Veterans Affairs Medical Center. METHODS: A retrospective analysis of medical records was performed on 212 US veterans encountered between 1998 and 2002 with serum calcium measurements between 10.5 and 10.9 mg/dL on multiple readings or 11.0 mg/dL (or greater) on any single determination. Data were collected from the clinical records for each patient and used to determine the cause of each patient's hypercalcemia. Patients undergoing hemodialysis were excluded from this study. RESULTS: ... Read More »
» Published in Endocr Pract. 2006 Sep-Oct;12(5):535-41.

19. Clinical aspects of hyperthyroidism in hospitalised patients in Albania.
Match Strength: 2.309

The purpose of this study was to evaluate certain clinical aspects of hyperthyroidism in Albania, which is an iodine deficient country, as it is known that iodine intake may influence the type of thyroid hyperfunction. The files of sixty-six patients with thyrotoxicosis who were hospitalised for their disease were retrospectively analysed. 59.1% of these patients suffered from toxic multinodular goiter, 27.3% from Grave's disease (toxic diffuse goiter), 10.6% from toxic adenoma, 1.5% from iodide-induced hyperthyroidism and 1.5% from transient hyperthyroidism due to subacute thyroiditis. There ... Read More »
» Published in Hormones (Athens). 2004 Jan-Mar;3(1):53-8.

20. Matrix metalloproteinase type 2 expression in malignant adrenocortical tumors: Diagnostic and prognostic significance in a series of 50 adrenocortical carcinomas.
Match Strength: 2.263

The differential diagnosis of adrenocortical carcinoma from adrenocortical adenoma is based on different pathological parameters, usually incorporated in scoring systems, which unfortunately lack a 100% sensitivity and specificity. Little is known on the molecular mechanisms leading to the malignant phenotype in adrenocortical tumors. Among other molecules, metalloproteinases were demonstrated to be implicated in malignant progression and metastatization of solid tumors, including endocrine ones. Therefore, we aimed to investigate metalloproteinases and their inhibitors expression in a series ... Read More »
» Published in Mod Pathol. 2006 Dec;19(12):1563-9. Epub 2006 Sep 15.

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