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However, salivary tumors show a great deal of morphological diversity, as well as variations in the nature of the lesion (malignant vs. benign): approximately 20% to 25% of parotid tumors, 35% to 40% of submandibular tumors, and more than 90% of sublingual gland tumors are malignant. [8]
Stafne defect is uncommon, [6] and has been reported to develop anywhere between the ages of 11 and 30 years old, [12] (although the defect is developmental, it does not seem to be present from birth, implying that the lesion develops at a later age). [5] Usually the defect is unilateral (on one side only) and most commonly occurs in men.
Around 50% of the tumours found in the submandibular glands are benign. Sublingual gland tumours are very rare but if present, they are most likely to be malignant. [ 3 ] [ 18 ] Saku et al. in 1997 [ 19 ] and Venturi [ 20 ] [ 21 ] in 2021, reported the causal role for ionizing radiation in salivary gland tumorigenesis, particularly for ...
The submandibular gland is medial to the angle of the mandible, and it drains its mixture of serous and mucous saliva via the submandibular duct (Wharton duct) into the mouth, usually opening in a punctum in the floor of mouth. The sublingual gland is below the tongue, on the floor of the mouth; it drains its mostly mucous saliva into the mouth ...
One well known form of sarcoidosis is known as Heerfordt's syndrome which is characterized by facial nerve palsy, enlargement of the parotid and anterior uveitis. [6] One study came to the conclusion that the presence of salivary calculi is the main indicator for the removal of the submandibular gland in patients where neoplasia is absent. [8]
[10] [14] Periapical abscesses of these teeth also result in lingual cortical penetration, leading to submandibular infection. [ 10 ] Other causes such as oral ulcerations, infections secondary to oral malignancy, mandible fractures, sialolithiasis-related submandibular gland infections, [ 10 ] and penetrating injuries of the mouth floor [ 15 ...
Rarely, removal of the submandibular gland may become necessary in cases of recurrent stone formation. Sialolithiasis is common, accounting for about 50% of all disease occurring in the major salivary glands and causing symptoms in about 0.45% of the general population. Persons aged 30–60 and males are more likely to develop sialolithiasis. [2]
2: Submandibular lymph nodes 3: Supraclavicular lymph nodes 4: Retropharyngeal lymph nodes 5: Buccinator lymph node 6: Superficial cervical lymph nodes 7: Jugular lymph nodes 8: Parotid lymph nodes 9: Retroauricular lymph nodes and occipital lymph nodes