The article discusses the etiologic factors, peculiarities of clinical picture and treatment of patients with tumors of the jaws, which include the salivary gland tissue. Two cases of adenocystic tumors of the upper and lower jaws and adenocarcinoma in jaw’s bony tissue are described. Histological preparations of the upper jaw of 7 embryos were conducted and some special features were evaluated: glandular epithelium was detected in the maxilla at 9 weeks of intrauterine life; development of cysts and tumors of the jaws with the inclusion of glandular tissue, that can be associated with their formation from embryonic remnants of salivary glands; epithelial pearls in the tissues of the jaws observed even in fetuses at 4 months of intrauterine development.
Keywords:- adenocarcinoma
- cyst
- jaws
- Ki-67
- salivary gland
- tumor