PMID: 2484979Jan 1, 1989Paper

Histopathological and immunohistochemical studies on mucous cysts

Meikai Daigaku shigaku zasshi = The Journal of Meikai University School of Dentistry
N Kuroda

Abstract

The present study investigated the histopathology, histochemistry of mucopolysaccharides, and immunohistochemistry of oral mucous cysts. The materials were obtained from ninety cases that were histopathologically diagnosed as oral mucous cysts at the Department of Oral Pathology, Meikai University School of Dentistry. Mucopolysaccharide staining was done with PAS, alcian blue (AB, pH 2.5) and high iron diamine (HID). Immunohistochemical studies were focused on secretory component (SC), lactoferrin (Lf), alpha-amylase (Am), IgA, lysozyme (Ly), and keratin (Kr). The following results were obtained: 1. Histopathological findings. (1) Retention and/or retention-like type cysts occurred in was twenty-six cases and the extravasation type in sixty-four cases. (2) Cases showing epithelial lining of the cystic wall were only eight in number, and many cystic walls were contained granulation tissue (fifty cases). (3) As for inflammation of the cystic wall, the degree was slight, and infiltrated cells were mainly macrophages (so-called mucinophages) and lymphocytes. (4) Regarding adjoining salivary glands, acinar cells showed atrophic changes, and hypertrophy of mucous acinar cells was evident. Many ducts showed dilatation, and stromal con...Continue Reading

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