| Cover and content | |
| Journal Editorial Team | 1-3 |
| Case Report: Delayed Onset Cerebrospinal Fluid Rhinorrhea Following Traumatic Head Injury | |
| A. Topalova- Shishmanova, K. Dzhambazov | 6-9 |
| Dysfunction of the Eustachian tube – types of dysfunction, diagnostic algorithms, and disease evaluation | |
| V. Marinov, P. Rouev, S. Ilchev | 10-14 |
| Laryngeal mask ventilation during flexible bronchoscopy | |
| Ts. Marinov, M. Belitova, B. Dimitrova, M. Gaydarova, J. Kasaboglu, T. Popov | 15-18 |
| Modern approach in the treatment of choanal atresia | |
| Ts. Marinov, T. Popov, V. Alexandrova-Marinova, M. Belitova, M. Gaydarova, B. Dimitrova, J. Kasaboglu, E. Sorokina-Igova | 19-23 |
| Non-Melanoma Skin Cancer of Head and Neck – Case Series | |
| J. Kasaboglu, S. Dimitrov, M. Mitkova, Sp. Todorov, J. Rangachev, Ts. Marinov | 25-29 |
| Secondary spontaneous cerebrospinal fluid leak rhinorrhea caused by osteoma on ethmoidal roof: A Case Report | |
| A. Topalova-Shishmanova, K. Dzhambazov, S. Markov | 31-34 |
| A clinical case of transition from Acute Psychotic Substance Abuse Disorder to Schizophrenia | |
| D. Avramov | 35-39 |