[Clinical course, diagnostics and treatment of periappendiceal mass].

103 patients with appendix masses and periappendiceal abscesses were observed. The mean age of the patients was 47 years. Diagnostic algorithm included clinicolaboratoty investigations, X-ray examination of abdomen, ultrasound dynamic study and computed tomography. Method of direct endolymphatic administration of antibacterial drugs was applied in complex treatment of appendix mass in 25 patients. Involution of the infiltration was observed from the 4th day in this group of patients. Conservative treatment was efficacious in 70 patients. Lancing of periappendical abscess was carried out to 29 patients. Puncture and drainage under ultrasound control--in 4 patients. There were no lethal outcomes.