التفاصيل البيبلوغرافية
| العنوان: |
How predominant cell and stroma types harmonize to predict head and neck adenoid cystic carcinoma outcomes? |
| المؤلفون: |
John, Sharon, Jain, Ayushi, Devi, Priya, Gupta, Shalini, Raghuvanshi, Shivanjali |
| المصدر: |
Medical Journal Armed Forces India; Jul2024, Vol. 80 Issue 4, p404-411, 8p |
| مصطلحات موضوعية: |
ADENOID cystic carcinoma, LYMPHATIC metastasis, NECK, SALIVARY glands, EXTRACELLULAR matrix, TENASCIN, TUMOR budding |
| مستخلص: |
Adenoid cystic carcinoma (ACC) is an uncommon tumor that usually appears in the major salivary glands of the head and neck region, including the minor glands in the oral cavity, sinonasal tract, and other sites. ACC of the head and neck may have a low-grade histological appearance. This malignant tumor has unusual clinical characteristics such as occasional regional lymph node metastases and a prolonged yet continuously advancing clinical course. Additionally, it is an invasive tumor with perineural invasion, difficult-to-clear margins, metastasis, and localized recurrence. The cribriform and tubular proliferation of basaloid cells, which mostly display a myoepithelial cellular phenotype, are ACC's distinct histologic characteristics. The degree of genetic alterations and aneuploidy observed in tumor genomes are linked to the severity of histologic grade, which correlates with clinical prognosis. The three predominant cell types (PCTs) i.e., conventional ACC (C-ACC), myoepithelial-predominant ACC (M-ACC), and epithelial-predominant ACC (E-ACC)—and their respective applications will be reviewed. The function of extracellular matrix (ECM) components such as laminin, type IV collagen, fibronectin, and tenascin are also emphasized. An attempt has been made to explore the recent molecular diversity, regulatory pathways prevalent in PCT, ECM with its genetic changes, and translational utility with targeted therapies for ACC. [ABSTRACT FROM AUTHOR] |
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