Objectives. To review surgical techniques used in the treatment of laryngoceles over the last two decades and point out developments and trends. Materials and Methods. PubMed, the Cochrane Library, and the JBI Library of Systematic Reviews were searched using the term “laryngocele.” Demographic data, type of laryngocele, presence of a laryngopyocele, type of treatment and need for a tracheotomy were assessed. Results. Overall, data on 86 patients were analyzed, culled from 50 articles, of which 41 were case reports and 9 were case series. No single systematic review or meta-analysis or randomized controlled trial has been published on the topic. Altogether, 71 laryngoceles in 63 patients met the criteria for further analysis focusing on surgical treatment. An external approach was selected in 25/29 (86.2%) cases of combined laryngoceles. Microlaryngoscopic resection using a CO2 laser was performed in three cases and endoscopic robotic surgery in one case. The majority of patients with an internal laryngocele, 31/42 (73.8%), were treated using the microlaryngoscopy approach. Conclusions. Microlaryngoscopy involving the use of a CO2 laser has become the main therapeutic procedure for the treatment of internal laryngoceles during the past 20 years. An external approach still remains the main therapeutic approach for the treatment of combined laryngoceles.
Background: The aim of this study was to review the bacteriology of deep neck infections (DNI) and identify the factors that influence the incidence of causative bacteria. Methods: A retrospective analysis of 634 patients with DNI was performed. Statistical analysis was used to compare the incidence of common pathogens in various conditions such as age of the patients, aetiology and associated diabetes mellitus. Results: Bacteria were isolated in 514 cultures (81%). Aerobic bacteria were isolated from 246 cultures (39%) and anaerobic bacteria from 61 cultures (10%). Both aerobic and anaerobic bacteria were isolated from 207 cultures (32%). The most common aerobic bacteria were Streptococcus pyogenes (41%) and Staphylococcus aureus (32%). The most common anaerobic bacteria were Peptostreptococcus species (28%), followed by Prevotela species (8%) and Proprionibacterium species (7%). The incidence of anaerobic bacteria was higher in adults, in patients with infections of dental origin and in non-diabetic patients. Conclusions: The bacteriology of DNI is polymicrobial, including both aerobic and anaerobic bacteria. The incidence of anaerobic bacteria is higher in adults, in patients with infections of dental origin and in non-diabetic patients.
The goals of this retrospective cohort study were to compare the results of clinical and pathological TNM staging in patients with laryngeal squamous cell carcinoma and to determine the impact of the discordance on prognosis and treatment results. A total of 124 patients with laryngeal cancer, primarily indicated for surgical treatment, were enrolled. The concordance or discordance between the clinical and pathological staging was compared with the frequency of cancer relapse and disease-specific survival. Other potential prognostic factors, like age, the stage and location of the primary tumor, the status of neck lymph nodes, histological margins, and an indication for postoperative radiotherapy, were also evaluated. A disparity in at least one component of TNM staging was found in 40 patients (32%). The discordance had significant negative influence on both disease-free survival (DSF) and disease-specific survival (DSS). Other significant negative prognostic factors were the stage of the primary tumor, nodal status and postoperative radiotherapy. Our results indicate that the discordance between clinical and pathological staging affects the results of cancer treatment significantly. Some improvement can be probably achieved with higher preoperative diagnostic method accuracy.
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