mucoepidermoid carcinoma

(redirected from Carcinoma, mucoepidermoid)

mu·co·ep·i·der·moid car·ci·no·ma

most commonly a salivary gland carcinoma of low grade malignancy composed of mucous, epidermoid, and intermediate cells, with mucous cells abundant only in low-grade carcinoma; recurrence is frequent, and high-grade carcinomas metastasize to cervical nodes.
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Histologic Tumor Grade.--A 3-tiered grading system based on degree of differentiation is used for squamous cell carcinoma, and it is also applied to some sinonasal adenocarcinomas, as well as selected salivary gland neoplasms (eg, adenoid cystic carcinoma, mucoepidermoid carcinoma, etc).
Considerations include focal presentation of Sjogren syndrome, lymphoepithelial cysts, first branchial cleft cyst, Warthin's tumor, acinic cell carcinoma, mucoepidermoid carcinoma, salivary duct carcinoma, and metastatic thyroid papillary carcinoma.
Frequency and percentages were calculated for categorical variables like gender, carcinoma, sarcoma and common types of carcinomas (Squamous cell carcinoma, Mucoepidermoid carcinoma, Adenoid cystic carcinoma) and sarcomas (Osteosarcoma, Burkitt's lymphoma).
Some of these lesions are primary laryngeal adenocarcinomas, metastatic adenocarcinoma, salivary glandular tumours like acinic cell carcinoma, mucoepidermoid carcinoma or adenoid cystic carcinoma of the larynx.
This includes congenital lesions (encephalocele, glioma, teratoma, dermoid, and epidermoid), granulomatous diseases (Wegener's granulomatosis and sarcoidosis), and neoplasms (basal cell carcinoma, squamous cell carcinoma, melanoma, adenoid cystic carcinoma, mucoepidermoid carcinoma, sarcoma, esthesioneuroblastoma, schwannoma, angiofibroma, and hemangioma) as well as infectious conditions (tuberculosis, syphilis, rhinoscleroma, leprosy, actinomycosis, aspergillosis, and mucormycosis) [15].
They included pleomorphic adenoma, adenoid cystic carcinoma, mucoepidermoid carcinoma, Warthin tumour, salivary duct carcinoma, basal cell adenocarcinoma, myoepithelioma, adenocarcinoma NOS, Polymorphous low-grade adenocarcinoma and a case of undifferentiated carcinoma.
We searched without filtres and with the intersection of the following MESH terms: "Penile neoplasms" versus "Mucoepidermoid Tumour" or "Carcinoma, Mucoepidermoid" and "Penis" versus "Mucoepidermoid Tumor" or "Carcinoma, Mucoepidermoid." In doing so, we identified 4 cases of primary penile MC (Table 1).
In such cases, other benign and malignant lesions such as nasal polyps, papilloma, haemangioma, angiofibroma, squamous cell, adenocarcinoma, adenoid cystic carcinoma, mucoepidermoid carcinoma, and melanoma must also be included in differential diagnosis.2
The non-squamous cell carcinomas of the head and neck region that arise predominantly from major and minor salivary glands, which include adenocarcinoma, acinic-cell carcinoma, mucoepidermoid carcinoma, adenoid cystic carcinoma, and carcinoma ex pleomorphic adenoma, are less well characterized, with less than 25 informative cases per tumor type.
Among the 268 cases studied, 256 (95.5%) cases were of squamous cell carcinoma (SCC), 4 (1.5%) were of basal cell carcinoma (BCC) and 2 (0.75%) each were of adenoid cystic carcinoma, mucoepidermoid carcinoma, adenocarcinoma and undifferentiated carcinoma.
The malignant component of CaExPA can be adenocarcinoma, adenocarcinoma not otherwise specified (ANOS), salivary duct carcinoma, adenoid cystic carcinoma, undifferentiated carcinoma, myoepithelial carcinoma, mucoepidermoid carcinoma, or many others.
These included squamous cell carcinoma, Adenocarcinoma, Adenoid cystic carcinoma, Mucoepidermoid carcinoma and malignant melanoma.

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