Abstract
BackgroundTumors of salivary glands are enlarged as a low-risk mass and mostly benign in nature. The treatment of salivary gland malignancy remains quite challenging because of its relative infrequency, unreliable biological manners, and risk of re-emergence. For effective treatment planning, prediction of factors associated with the recurrence of salivary gland malignancy is essential.AimThe objective of this study was to identify the factors associated with recurrence of salivary gland malignancy at two tertiary hospitals in Saudi Arabia.Material and methodsA cross-sectional study was conducted at two tertiary hospitals in Saudi Arabia, where data of patients were recorded from the medical records of hospitals from 2012 to 2018. 63 patients who were diagnosed with salivary gland malignancy, whether originated from parotid, submandibular, sublingual, and minor salivary glands were included in the study. Descriptive statistics are shown in mean, frequency, and percentages, while comparative analysis was done using the Chi-square test, where p < 0.05 is considered significant.ResultsThis study included 63 participants. The majority of malignant salivary gland cancers arise from the parotid gland (47.6%), and mucoepidermoid carcinoma was the commonest form of malignancy in 36.5% of the studied population. Out of 63 patients, 17 had a recurrence of cancer, and the initial advanced stage of the disease is apparently associated with the re-emergence of salivary gland cancer.ConclusionThe initial advanced stage of cancer has a significant role in the recurrence of salivary gland malignancy. As salivary gland malignancy is rare and has unreliable behavior, establishing an adequate treatment plan prediction for recurrence is essential.
Highlights
Tumors of salivary glands are enlarged as a low-risk mass, with most of them benign in nature and only a few malignant [1]
A cross-sectional study was conducted at two tertiary hospitals in Saudi Arabia, where data of patients were recorded from the medical records of hospitals from 2012 to 2018. 63 patients who were diagnosed with salivary gland malignancy, whether originated from parotid, submandibular, sublingual, and minor salivary glands were included in the study
The majority of malignant salivary gland cancers arise from the parotid gland (47.6%), and mucoepidermoid carcinoma was the commonest form of malignancy in 36.5% of the studied population
Summary
Tumors of salivary glands are enlarged as a low-risk mass, with most of them benign in nature and only a few malignant [1]. The cancers of salivary glands are usually infrequent, occurring in 0.6-1.4 per 100,000 and may originate from either major or minor salivary glands It accounts for 0.5% of all cancers and 5% of cancers associated with head and neck [2,3,4]. Radiation exposure during the treatment for head and cancers, occupational exposure, previous history of cancers in other parts of body, Epstein-Barr Virus infection, immunosuppression, and HIV infections may be considered as menacing factors for salivary gland malignancy [10,11,12,13]. Tumors of salivary glands are enlarged as a low-risk mass and mostly benign in nature. Prediction of factors associated with the recurrence of salivary gland malignancy is essential
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