Publications by authors named "Juraj Lukinovic"

Laryngeal carcinoma is one of the most common tumors of the head and neck, just after skin cancer. Alongside open surgery, transoral endoscopic laser surgery (TOLS) has become widespread as a treatment method. Our aim was to assess the efficacy of transoral laser cordectomy in a group of patients with early glottic carcinoma.

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The aim of this study was to demonstrate the impact of COVID-19 pandemic on the number and characteristics of head and neck cancer patients in two consecutive periods, pre-pandemic and pandemic. For this purpose, we performed a retrospective analysis of patients with primary carcinomas of head and neck mucosal sites, salivary gland tumors, as well as neck metastases. Two pre-COVID-19 years (2018-2019) and two pandemic years (2020-2021) were compared.

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Introduction: The most obvious indication for thyroid surgery is malignancy, but other indications are also not rare. As with any other surgical procedure, those surgeries also carry risks which can be classified as minor or major.

Discussion: In this overview, we present minor (seroma, scarring) and major complications of thyroid surgery (recurrent nerve injury, hypoparathyroidism, and bleeding).

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Objectives: Head and neck squamous cell carcinoma (HNSCC) is the sixth most common malignancy worldwide. Main HNSCC risk factors are tobacco, alcohol, and high-risk human papillomavirus (HPV). HPV+ oropharyngeal squamous cell cancer (OPSCC) usually have different etiology, increasing incidence and often show an improved survival when compared to HPV-negative cases.

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Surgical procedures, especially total laryngectomy, used for treatment of advanced laryngeal carcinoma, have a profound adverse effect on the patient's physical, functional, and emotional health, and almost always decrease quality of life. There are three main types of voice rehabilitation after surgery. They are: esophageal speech techniques, the use of artificial larynx devices and tracheoesophageal puncture with the insertion of various types of voice prostheses.

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The main goal of our work was to evaluate advantages and disadvantages of virtual endoscopy (VE) techniques in routinely diagnostic and preoperative management of patients with various sinus diseases or head traumas in our practice. Fly-through algorithm was performed using an Xeon based workstation on data sets created from axial CT images acquired from 320 patients with various paranasal sinus disorders. Images were created using Siemens Somatom Emotion 16 continiously rotating helical CT scanner and archived in DICOM format.

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The real-time requirement means that the simulation should be able to follow the actions of the user that may be moving in the virtual environment. The computer system should also store in its memory a three-dimensional (3D) model of the virtual environment. In that case a real-time virtual reality system will update the 3D graphic visualization as the user moves, so that up-to-date visualization is always shown on the computer screen.

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Conduction of tele-3D-computer assisted operations as well as other telemedicine procedures often requires highest possible quality of transmitted medical images and video. Unfortunately, those data types are always associated with high telecommunication and storage costs that sometimes prevent more frequent usage of such procedures. We present a novel algorithm for lossless compression of medical images that is extremely helpful in reducing the telecommunication and storage costs.

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