Polish version of the COMQ-12 questionnaire, a new validated tool for the assessment of the quality of life in patients with chronic otitis media.

<b><br>Introduction:</b> The COMQ-12 questionnaire is a tool to assess the quality of life in patients with chronic otitis media in many countries. The questionnaire consists of 12 questions: seven relating to the severity of symptoms, two regarding the impact of the disease on lifestyle and work, two concerning the impact on the need for healthcare, and one is a general question. Each question is rated on a scale from 0 to 5.

The difficult "childhood era" of the liquidbiopsy as a diagnostic method in head and neckcancer patients.

<br><b>Aim:</b> Liquid biopsy (LB) is a method that detects circulating tumor cells or circulating tumor DNA or RNA in the body fluids of patients with cancer. Despite the developments in LB, it is still not used in clinical practice in head and neck cancers (HNC). The aim of our study was to analyze the epidemiological data of HNC patients and controls who were enrolled in an LB study based on circulating free DNA (cfDNA) detection.

Irreversible facial nerve palsy as a revelator ofparotid gland cancer.

<br><b>Introduction:</b> Bell's palsy is still the diagnosis of exclusion. In most patients it does not progress, it is unilateral, and selflimiting. Additionally, the majority of patients recover spontaneously within 3 weeks.

The assesment of intraoperative use of mesna in canal wall-up cholesteatoma surgery - preliminary report.

<b>Introduction:</b> Surgery is still the method of choice in chronic otitis media with cholesteatoma. Except for some specific clinical situations, classic canal wall up technique (CWU), remains a gold standard as a primary treatment in most departments. Unfortunately, the risk of recurrence in such an approach is estimated at 9 to even 70%.