[ULTRASOUND DIAGNOSIS OF FORMS IATROGENIC MAXILLARY SINUSITIS].

Purpose of the study was to evaluate the effectiveness of diagnosis of the mixed form of iatrogenic maxillary sinusitis. Was studied 21 (100%) patients with a fragment of a remote tooth in the sinus - 12 (57,1%), with a filling material - 9 (42,9%) in the maxillary sinus with an ultrasound diagnostic device ACUSON X 500, ATSmod.539 (SIEMENS) in B-mode using a linear sensor with a working surface length of 37 mm, with a frequency mode of 7.5-10 MHz. The evaluation of pathological changes in the sinuses and their interpretation were carried out according to the criteria given in the literature. Analysis of the results of the study in the tables is presented in absolute values (abs.). In fractions expressed in percentages (P) and in share errors (S±P). Statistical analysis of the absolute values of the obtained results was carried out by the Student method, comparison of the shares by the χ2 method. Edema of the facial soft tissues was revealed in 28.1% of cases, the average soft tissue thickness from the projection of the anterior wall of the affected maxillary sinus was 13.0±2.7 mm, the thickness of the mucosa covering the front wall was 10.1±1.7 mm. Healthy-isoechogenic sinus mucosa is noted in 8 (38%) cases. Echosignal weakening (hypoechoinality) due to the liquid component is in 5 (23,8%) sinuses (p>0.05). Hyperechoic contents were found in 7 (33.3%) sinuses, Anehogenous contents - cystically altered mucosa (14.3%) Differences between the incidence of sinuses with hyperechoic contents and unchanged sinuses with a mixed form of sinusitis were statistically significant (p<0.05). Thus, the criteria of a healthy sinus (in 38,0-47,6% of cases) and chronic inflammation (33,3-38,0%) were often met. The acute phase of the inflammatory process was noted in 23.8%. In the mixed form of iatrogenic maxillary sinusitis, both the acute phase of the disease and the exacerbation of chronic inflammation occur, which proceed according to the type of catarrhal sinusitis. At the same time, hyperechoinality of the mucosa is equally observed, indicating sclerotic changes - with exacerbation of chronic sinusitis, and acoustic shade - with primary sinusitis and absence of chronic inflammation in the sinus. In the absence of severe clinical symptoms of acute sinusitis, according to ultrasound, it is possible to clarify the presence or absence of fluid in the sinus. In the latter case, surgical treatment without preliminary antibacterial therapy is indicated (in our study - 76.2% for patients with a foreign body in the sinus).