Three-dimensional printing has numerous applications and has gained much interest in the medical world. The constantly improving quality of 3D-printing applications has contributed to their increased use on patients. Nowadays, 3D printing is very well integrated in the surgical practice and research. Also, the field of head and neck reconstructive surgery is constantly evolving because of the three-dimensional printing, a technology which can be widely used in a variety of situations such as reconstruction of tissue defects, surgical planning, medical modeling and prosthesis. By using 3D printing into tissue engineering and materials, it may be possible for otolaryngologists to implant 3D printed functional grafts into patients and will also provide a rapid production of personalized patient-specific devices. Advances in 3D printed implants and future tissue-engineered constructs will bring great progress to the field of otorhinolaryngology.
Malignancies of the nasal cavity and the paranasal sinuses are rare, counting for less than 3 % of the ENT-cancers. The insidious onset of these tumours with non-specific symptoms often leads to a delayed diagnostic. Advanced disease stage combined with the complex anatomy of the sinonasal cavities and anterior skull base encouraged surgeons to extend beyond the boundaries the classic surgical techniques. Surgical approaches to anterior skull base lesions can be divided into open approches: craniofacial, subcranial, endoscopic techniques or combined approaches when a craniotomy is associated with an endonasal endoscopic approach. The indication must take into consideration the oncologic principles, histopathology exam, extent of disease and surgeon skill and experience. Combined approach should be taken into consideration for patients with extended disease or significant intraorbital or intracranial extension. For certain tumours that require a craniotomy for the superior, superolateral, and anterior extensions of the disease and also a nasal and paranasal sinus tumor that could be removed endoscopically, an endoscopic-assisted approach can be considered.
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