Janusz Jaworowski

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The aim of this work was to develop a new computer system to support oncologic surgery in the maxillo-facial area (Maxillo-Facial Surgery System). The system applies DICOM data (Magnetic Resonance Imaging - MRI and Computed Tomography - CT scans) during the phase of virtual planning of surgical scenario, to identify the location and spatial geometry of(More)
OBJECTIVE To evaluate the accuracy of craniomaxillofacial resections performed with an image-guided surgical sagittal saw. MATERIAL AND METHODS Twenty-four craniomaxillofacial resections were performed using an image-guided sagittal saw. Surgical outcomes were compared with a preoperative virtual plan in terms of the resected bone volume, control point(More)
In head and neck region leiomyosarcoma is a very rare finding. This tumor is usually located in abdominal cavity. We report a case of 78-year-old man with tumor of the auricle that was resected with 0.7 cm margin. Histological and immunohistochemical analysis revealed the leiomyosarcoma. Adjuvant therapy was not advised. During 3 years of follow-up there(More)
OBJECTIVES Reconstruction of the head and neck continues to pose a significant challenge for reconstructive surgeons. In many cases microsurgical free flaps provide superior functional and aesthetic results with limited donor-site morbidity and are considered as a method of choice. The purpose of this article was to present the experience of our institution(More)
BACKGROUND The purpose of this study was to determine the timing and type of surgical field contamination in 50 consecutive resections for advanced head and neck cancer with same-stage tissue reconstruction and to analyze the relationship between contamination and the surgical site infection. METHODS Swabs from the surgical field and from surgical drapes(More)
The aim of this study was to perform an objective assessment of the accuracy of mandibular osteotomy simulations performed using an image-guided sagittal saw. A total of 16 image-guided mandibular osteotomies were performed on four prefabricated anatomical models according to the virtual plan. Postoperative computed tomography (CT) image data were fused(More)
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