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Adenoid cystic carcinoma (ACC) is a rare, slow-growing tumor that constitutes about 1% of malignant neoplasms of the head and neck region. It is most often located in small salivary glands. ACC is characterized by the occurrence of distant metastases through the blood vessels (often with delayed manifestation) and nerve infiltration. It is most often diagnosed at an advanced stage, which is an unfavorable prognostic factor for the patient. The pathomorphological examination of the dissected tissue or material from fine needle aspiration biopsy is used in the diagnostics. Computed tomography or magnetic resonance are obligatory tests before treatment. The final diagnosis is based on histopathological examination with a meticulous immunochemical evaluation. The recommended method of treatment is surgical resection of the tumor with lymphadenectomy and subsequent adjuvant radiotherapy according to NCCN guidelines. In selected cases of tumors localized within the nose and paranasal sinuses, application of endoscopic techniques is possible. [ABSTRACT FROM AUTHOR]

Inverted papilloma (IP) is a benign neoplasm originating in the epithelium of the nasal cavities and paranasal sinuses, characterized by local aggressiveness manifested by bone infiltration, high recurrence rate and the risk of transformation into squamous cell carcinoma. Almost 25% of it is discovered accidentally during surgery due to chronic sinusitis. The risk factors for recurrence are still not fully understood and despite the development of diagnostic tools and surgical techniques, inverted papilloma poses a considerable clinical challenge and patients require lifelong observation. In order to systematize the current knowledge on IP, the authors reviewed the international literature on the basis of PubMed and ScienceDirect databases. [ABSTRACT FROM AUTHOR]

Introduction. Adenoid cystic carcinoma (ACC) is a rare, slowly growing, malignant tumor derived from adenoid tissue. It accounts for about 1% of head and neck head malignancies. ACC can infiltrate the nerves and is usually diagnosed at an advanced stage. Aim. The aim of the study was to present our own experience in the treatment of patients with head and neck ACCs. Material and methods. The authors present cases of 10 patients treated for adenocarcinoma in the Department of Laryngology of Medical University of Silesia in Katowice in 2011-2017. Results. The group of patients described consisted of 7 women and 3 men at the age of 31 to 68 years. Tumors were present in different, locations of head and neck region. All patients were surgically treated, 7 of them also received adjuvant radiotherapy. Conclusions. Treatment of ACC of head and neck region is a challenge for many specialists, including otorhinolaryngologists, most of all because of difficulties in radical surgical treatment of this location. In the case of ACC salivary gland preoperative tumor biopsy results are often false negative. Proper diagnosis is always based on rigorous pathological analysis. [ABSTRACT FROM AUTHOR]

Introduction. Acquired nasolacrimal duct obstruction (NLDO) is a common reason for lacrimation in adults. For a long time, the surgical treatment of such cases was carried out from external approach resulting in approximately 85-90% of success. Since 1990s, along with the development of endoscopic endonasal surgery, dacryocystorhinostomy (DCR) has become a gold standard in the treatment of NLDO. Case report. The authors present a case of a 77-year-old female suffering from iatrogenic NLDO recurrent lacrimation with the oedema of the internal angle of the right eye. Five years earlier the patient underwent maxillofacial surgery - extraction of retained teeth 13 and 19 in general anesthesia. The patient was qualified to the functional endonasal sinus surgery (FESS) with DCR. Simultaneously septoplasty and removal of adhesions from the right nasal cavity were performed. Follow-up visits revealed remission of the symptoms. The endoscopic image of the dilated aperture of the lacrimal sac one year after the procedure was satisfactory. Conclusions. The authors emphasise the usefulness of endoscopic DCR procedure in the treatment of NLDO. They draw attention to the advantages of this technique over an open approach. In the presented case it is also highlighted that endoscopic DCR enables additional surgical correction of any concomitant rhinologic disorder, such as septal deviation. [ABSTRACT FROM AUTHOR]