Salivary gland–like carcinoma of the lung

Salivary gland–like carcinomas of the lung generally refers a class of rare cancers that arise from the uncontrolled cell division (mitosis) of mutated cancer stem cells in lung tissue. They take their name partly from the appearance of their abnormal cells, whose structure and features closely resemble those of cancers that form in the major salivary glands (parotid glands, submandibular glands and sublingual glands) of the head and neck.[1] Carcinoma is a term for malignant neoplasms derived from cells of epithelial lineage, and/or that exhibit cytological or tissue architectural features characteristically found in epithelial cells.[2][1]

Salivary gland–like carcinoma of the lung
SpecialtyOncology

Types

This class of primary lung cancers contains several histological variants, including mucoepidermoid carcinoma of the lung, adenoid cystic carcinoma of the lung, epithelial-myoepithelial carcinoma of the lung, and other (even more rare) variants. .[1]

Diagnosis

Classification

Lung cancer is a large and exceptionally heterogeneous family of malignancies.[3] Over 50 different histological variants are explicitly recognized within the 2004 revision of the World Health Organization (WHO) typing system ("WHO-2004"), currently the most widely used lung cancer classification scheme.[1] Many of these entities are rare, recently described, and poorly understood.[4] However, since different forms of malignant tumors generally exhibit diverse genetic, biological, and clinical properties — including response to treatment — accurate classification of lung cancer cases are critical to assuring that patients with lung cancer receive optimum management.[5][6]

Under WHO-2004, lung carcinomas are divided into 8 major taxa:[1]

Treatment

Treatment options may include surgery, radiation, and chemotherapy. Icotinib has been temporarily effective at treating salivary gland-like carcinoma of the lung but loses efficiency after three months. [7]

References
  1. Travis, William D; Brambilla, Elisabeth; Muller-Hermelink, H Konrad; et al., eds. (2004). Pathology and Genetics of Tumours of the Lung, Pleura, Thymus and Heart (PDF). World Health Organization Classification of Tumours. Lyon: IARC Press. ISBN 92-832-2418-3. Retrieved 27 March 2010.
  2. Travis WD, Travis LB, Devesa SS (January 1995). "Lung cancer". Cancer. 75 (1 Suppl): 191–202. doi:10.1002/1097-0142(19950101)75:1+<191::AID-CNCR2820751307>3.0.CO;2-Y. PMID 8000996.
  3. Roggli VL, Vollmer RT, Greenberg SD, McGavran MH, Spjut HJ, Yesner R (June 1985). "Lung cancer heterogeneity: a blinded and randomized study of 100 consecutive cases". Hum. Pathol. 16 (6): 569–79. doi:10.1016/S0046-8177(85)80106-4. PMID 2987102.
  4. Brambilla E, Travis WD, Colby TV, Corrin B, Shimosato Y (December 2001). "The new World Health Organization classification of lung tumours". Eur. Respir. J. 18 (6): 1059–68. doi:10.1183/09031936.01.00275301. PMID 11829087. S2CID 3108488.
  5. Rossi G, Marchioni A, Sartori1 G, Longo L, Piccinini S, Cavazza A (2007). "Histotype in non-small cell lung cancer therapy and staging: The emerging role of an old and underrated factor". Curr Respir Med Rev. 3: 69–77. doi:10.2174/157339807779941820. S2CID 52904357.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  6. Vincent MD (August 2009). "Optimizing the management of advanced non-small-cell lung cancer: a personal view". Curr Oncol. 16 (4): 9–21. doi:10.3747/co.v16i4.465. PMC 2722061. PMID 19672420.
  7. Kawakado, Keita; Tamura, Tomoki; Nakanishi, Masamoto; Makimoto, Go; Sato, Yumiko; Kuyama, Shoichi (2021-08-08). "Carboplatin, pemetrexed, and pembrolizumab was effective for primary salivary gland‐type lung adenocarcinoma diagnosed due to esophageal stricture: A case report". Thoracic Cancer. Wiley. 12 (18): 2513–2516. doi:10.1111/1759-7714.14100. ISSN 1759-7706.
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