نتایج جستجو برای: mucoepidermoid tumor
تعداد نتایج: 428998 فیلتر نتایج به سال:
Mucoepidermoid carcinoma (MEC) is one of the most common histological malignant salivary gland tumors, it frequently diagnosed in parotid gland. MEC also intra oral minor glands. Only a few cases tonsillar have been reported. We present rare case mucoepidermoid arising from left pharyngeal tonsil. This report shows that important to perform tonsillectomy when discovering neck metastasis tumors ...
Mucoepidermoid carcinoma is the most common malignant, locally invasive tumour of the salivary glands and accounts for approximately 35% of all malignancies of the major and minor salivary glands. Mucoepidermoid carcinoma that originated from the lacrimal gland is exceedingly rare in teenage patients, with only a few cases reported. Herein, we report clinical and radiological findings of a muco...
Mucoepidermoid carcinoma (MEC) is the most common malignant tumor of minor and major salivary glands. These tumors occur commonly in glands, especially parotid, they are frequently located palate intraorally. The similarity between MEC other odontogenic cysts mouth a critical situation that needs attention clinical examination. Early diagnosis very important asymptomatic growth, reaching large ...
Mucoepidermoid carcinoma (MEC) is a rare malignant tumor arising from the bronchial gland. A case of 6-year-old male child who presented with fever, hemoptysis and wheezing since 1month is reported. Chest X-ray showed features suggestive of foreign body with post-obstructive pneumonia and was treated for the same with medication without much improvement. Subsequently computerized tomography sca...
Mucoepidermoid carcinoma in the external auditory canal is extremely rare. Strategies used for treatment of mucoepidermoid carcinoma remain controversial. We present a case of mucoepidermoid carcinoma of the external auditory canal. The patient underwent lateral temporal bone resection and the surgical defect was obliterated with temporal muscle. He is currently disease-free, four years after s...
唾液腺悪性腫瘍の約30％を占める粘表皮癌はムチンを多く含む事が報告されており，診断に苦慮することがある．ムチンの中でもMUC1は，診断および予後を判断する腫瘍マーカーとして研究がなされてきた．さらに，ムチンは分子量の50％以上が糖鎖で構成されており，その糖鎖も悪性化に伴い変化が報告されている．我々は，粘表皮癌および正常唾液腺のムチンを構成する糖鎖を分析し，新しい診断マーカーを発見すべく研究を行なった．粘表皮癌，正常唾液腺の検体より分子マトリックス電気泳動を用いてムチンを分離し，糖鎖を遊離し質量分析を行なった．粘表皮癌ではMUC1に結合するシアル酸化されたコア2型タイプの糖鎖が多く検出し，中でも(Hex)2(HexNAc)2(NeuAc)1および(Hex)2(HexNAc)2(NeuAc)2が豊富に検出した．粘表皮癌が発現するMUC1は糖鎖に特徴を持った腫瘍関連MUC1であると考えられ...
Mucoepidermoid carcinoma (MEC) is the most common malignancy of salivary glands. The response of MEC to chemotherapy is unpredictable, and recent advances in cancer biology suggest the involvement of cancer stem cells (CSCs) in tumor progression and chemoresistance and radioresistance phenotype. We found that histone acetyltransferase inhibitors (HDACi) were capable of disrupting CSCs in MEC. F...
BACKGROUND Mucoepidermoid carcinoma of salivary glands usually metastasizes to the lungs, liver, bone, brain, and skin. We report a rare case of distant metastasis of high-grade mucoepidermoid carcinoma of the parotid to the ipsilateral bulbar conjunctiva of the eye. CASE PRESENTATION Sixty-year-old male of Kashmiri origin presented to our tertiary care referral cancer institute with exophyti...
BACKGROUND AND OBJECTIVE Primary mucoepidermoid carcinoma of the jaw is a rare lesion, comprising 2-3% of all mucoepidermoid carcinomas reported in literature. Central mucoepidermoid carcinoma of the maxilla is rarer, comprising only 8% of the mucoepidermoid carcinomas found in the jaw. METHODOLOGY A 52-year-old man suffered from central mucoepidermoid carcinoma of the right maxilla with cerv...
Stem cells contribute to regeneration of tissues and organs. Cells with stem cell-like properties have been identified in tumors from a variety of origins, but to our knowledge there are yet no reports on tumor-related stem cells in the human upper respiratory tract. In the present study, we show that a tracheal mucoepidermoid tumor biopsy obtained from a 6 year-old patient contained a subpopul...
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