By Henrik Hellquist, Alena Skalova
Over the final 25 years it has develop into increasingly more obtrusive that salivary gland pathology is by means of a ways the topic inside of head and neck pathology that explanations so much diagnostic demanding situations and difficulties for common pathologists. in the course of classes the writer has given, experts and trainees alike have expressed the shortcoming of a entire, worthwhile booklet on salivary gland pathology. this type of ebook should be extensive and to demonstrate virtually each version of all tumor entities. one other vital characteristic to include is the newly won wisdom approximately genetics in salivary gland tumors, a data that has emerged over the past 3-4 years merely (and is turning out to be continuously). A mapping of the immunophenotypes of salivary gland tumors is neither to be had at the present time and should tremendously gain in regimen diagnostic work.
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Extra resources for Histopathology of the Salivary Glands
4 (a) Mucous retention cyst where the epithelial lining consists of flattened cuboidal cells. (b) Another mucous retention cysts where the epithelium consists of 1–2 layers of cuboidal/columnar cells with oncocytic change Non-neoplastic Lesions a b located almost exclusively in the floor of the mouth although a few cases have been reported arising in the tongue. The cysts are lined with squamous cell epithelium, which particularly in oral cases shows parakeratosis. Although most often stratified squamous epithelium, there may be smaller areas where the lining consists of cuboidal cells or respiratory tract type epithelium.
13). The clinical relevance of salivary heterotopia lies primarily in the possibility of neoplasms arising from these sites, but also not to confuse intranodal salivary heterotopia with metastatic salivary disease. In a retrospective study of 24 patients with heterotopic salivary tissue presenting as asymptomatic neck masses, 15 were neoplasms and nine were periparotid intranodal heterotopias. Tumours arising from heterotopic sites are thus uncommon, and likewise very rarely do tumours 1 Histology 18 arise from the accessory salivary tissue.
Stasis of salivary flow through the ducts promotes acute suppurative infection, and systemic dehydration is a well-known cause of salivary stasis. Chronic bacterial infections like tuberculosis or syphilis may involve the entire oral mucosa but rarely the minor salivary glands and are most often confined to the parotid glands. Acute bacterial infections, on the other hand, usually affect the entire oral cavity including the minor salivary glands. Many surgical procedures require that patients postoperatively are routinely without oral intake and consequently then being without regular salivary stimulation.