📝 “What are the 5 Most Common Malignant Tumors of the Oral Cavity?”

1. 8.15.24

Quick Review #204 - #pathology #oralpathology #doctorgallagher #oralsurgery #oralsurgeon #dentist #dentistry #dental #oralcancer #cancer #tumor

The top 5 most common malignant tumors of the oral cavity, listed from least common to most common incidence, along with their approximate percentage of incidence, are as follows:

​ Adenoid Cystic Carcinoma (ACC)

​ Incidence: Approximately 1-2% of malignant oral cavity tumors.

​ Description: Adenoid cystic carcinoma is a rare malignant tumor typically found in the minor salivary glands within the oral cavity. It is known for its slow growth but aggressive behavior, including perineural invasion.

• ​ Mucoepidermoid Carcinoma
• ​ Incidence: Approximately 2-3% of malignant oral cavity tumors.

​ Description: This is the most common malignant salivary gland tumor, which can also occur within the oral cavity. It exhibits a wide range of biological behavior, from low-grade to high-grade malignancy.

1. ​ Lymphoma

• ​ Incidence: Approximately 3-5% of malignant oral cavity tumors.
• ​ Description: Lymphomas in the oral cavity are usually non-Hodgkin types and can arise from lymphoid tissue within the oral mucosa. They are relatively uncommon but represent a significant portion of oral malignancies.

​ Verrucous Carcinoma

1. ​ Incidence: Approximately 5-10% of malignant oral cavity tumors.

• ​ Description: Verrucous carcinoma is a low-grade variant of squamous cell carcinoma that typically presents as a slow-growing, warty lesion. It has a good prognosis with a low tendency for metastasis.

​ Squamous Cell Carcinoma (SCC)

​ Incidence: Approximately 90-95% of malignant oral cavity tumors.

1. ​ Description: Squamous cell carcinoma is by far the most common malignant tumor of the oral cavity, accounting for the vast majority of cases. It can arise from various sites within the oral cavity, including the tongue, floor of the mouth, and buccal mucosa. SCC has a variable prognosis depending on the stage at diagnosis and treatment response.

• These percentages are approximate and can vary slightly depending on the specific population or study referenced.

References:

1. ​ Moreno-García, C. (2016). Elective neck dissection in early oral squamous cell carcinoma: Necessary? Plastic and Aesthetic Research, 3(167-174). https://lnkd.in/d2MKh_DG

• ​ Barnes, L., Eveson, J. W., Reichart, P., & Sidransky, D. (2005). World Health Organization classification of tumours: Pathology and genetics of head and neck tumours (3rd ed.). IARC Press.
• ​ Neville, B. W., Damm, D. D., Allen, C. M., & Chi, A. C. (2015). Oral and maxillofacial pathology (4th ed.). Saunders.

​ Johnson, N. W., Jayasekara, P., & Amarasinghe, A. A. H. K. (2011). Squamous cell carcinoma and precursor lesions of the oral cavity: Epidemiology and aetiology. Periodontology 2000, 57(1), 19-37. https://lnkd.in/dmQCZ_Sj.

​ ChatGPT.2024.

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