1,721,125 research outputs found
Neoplastic seeding of squamous carcinoma of the tongue onto the tracheotomy site: a case report[Insemenzamento neoplastico di carcinoma squamoso della lingua in sede di tracheotomia.]
No full textNeoplastic spreading by seeding occurs through mechanical transfer of some cells from a tumor mass onto healthy tissue of an implantation site. There is significant experimental proof of neoplastic cells seeding in surgical wounds although this seldom occurs in cases of surgery for head and neck tumors. We consider the description of a squamous cell carcinoma of the tongue which spread to the tracheotomy site, most probably through a iatrogenic seeding and conclude that use of a few simple precautions could minimize the frequency of such unfortunate complications
Ameloblastic fibro-odontoma. Case report and review of the literature
No full textAmeloblastic fibro-odontoma (AFO) is defined by the World Health Organization (WHO) as a neoplasm composed of proliferating odontogenic epithelium. It is a benign, slow-growing, expansive tumour that clinically appears as a well-encapsulated, benign lesion. Histologically, AFO has been classified as an ameloblastic fibroma or odontoma. Despite numerous efforts, however, there is still considerable confusion concerning the nature, the histology and the therapy of these lesions. This paper reports an additional case of a large AFO and reviews the relevant literature regarding the clinical and pathologic features of this lesion. (C) 2009 European Association for Cranio-Maxillo-Facial SurgeryAmeloblastic fibro-odontoma (AFO) is defined by the World Health Organization (WHO) as a neoplasm composed of proliferating odontogenic epithelium. It is a benign, slow-growing, expansive tumour that clinically appears as a well-encapsulated, benign lesion. Histologically, AFO has been classified as an ameloblastic fibroma or odontoma. Despite numerous efforts, however, there is still considerable confusion concerning the nature, the histology and the therapy of these lesions. This paper reports an additional case of a large AFO and reviews the relevant literature regarding the clinical and pathologic features of this lesion. © 2009 European Association for Cranio-Maxillo-Facial Surgery
Management of midcheek masses and tumors of the accessory parotid gland
No full textTumors of the lateral wall of the mouth have different origins and behaviors. These lesions often arise from salivary tissues, such as the accessory parotid gland, but tumors can also originate from the muscles, buccal fat pad, or other structures. Surgical approaches are limited in this region by the presence of the facial nerve and the Stensen's duct. In this article, we present 9 cases of midcheek masses that were operated on via extra- or intraoral approaches. We discuss the problems related to the diagnosis of such tumors, as well as the indications and rationales for different treatment approaches. © 2011 Mosby, Inc
Comment on: Facial artery myomucosal flap, pedicled solely on the facial artery: Experimental design study on survival
No full textFull arch restoration withcomputer-assisted implant surgery and immediate loading in edentulous ridges with dental fresh extraction sockets. One year results of 10 consecutively treted patients
No full textA novel implant system dedicate to hydraulic Schneiderian membrane elevation and simultaneously bone graft augmentation: An up-to 45 months retrospective clinical study
No full textPurpose To evaluate clinical and radiographic performance of a novel implant system that allows for hydraulic Schneiderian membrane elevation and simultaneously bone graft augmentation. Materials and methods Sixty-two consecutive patients with a mean age of 53.1 years and a severe atrophy of the posterior maxilla (3.0 to 7.0 mm) underwent 64 transcrestal sinus floor elevations and submerged implant placement. The following clinical and radiographic parameters were assessed: implant failure, any complications and bone gain measured using cone beam computed tomography. Results No patient dropped out. No implants failed and all the prostheses were uneventful at the last follow-up examination (mean 23.0 months; range 12–45). All the procedures were completed successfully, with elevation of the sinus membrane and insertion of bone graft and the dental implant at the planned site. No intraoperative or postoperative adverse events were observed, such as membrane tears or facial hematoma. The mean residual alveolar ridge height was 5.2 ± 1 mm (range 3.3–7.0 mm). Mean bone gain was 10.9 ± 2.43 mm (range 5.3–16.5) after an average healing period of 8 months. Conclusions Hydraulic elevation of the Schneiderian membrane using the iRaise sinus-lift system (Maxillent Ltd) can be considered a valuable treatment option for the rehabilitation of atrophic edentulous posterior maxillae
The importance of olfactory and gustatory disorders as early symptoms of coronavirus disease (COVID-19)
No full textA new aesthetic pretrichial approach for upper third-facial fractures and pathologies: The “Crown incision”
No full textBackground: The coronal incision represents the cornerstone for the treatment of upper-third maxillofacial pathologies. However, this approach leaves long scars that in numerous patients, it can cause extensive surrounding alopecia and sensory skin deficits. This clinical evidence prompted the authors to propose a full pretrichial incision, the crown incision, in order to overcome these drawbacks. Methods: A retrospective study was performed to investigate and report the aesthetic and functional outcomes of 15 patients treated with this new approach. Results: In the postoperative period, no major or minor complications were detected. The aesthetic evaluation of the scar by the operator and the patient showed overlapping results. The overall rating was 2.93 for the patient and 2.87 for the surgeon, on a scale from 0 (as normal skin) to 10 (very different from normal skin). The recovery of sensitivity in the innervation territories of the supratrochlear and supraorbital nerves was found to be complete in 14 patients. In one case, the sharp/blunt discriminative sensitivity was absent in all three points assessed. Conclusions: This study showed the crown incision to be a safe approach with an optimal recovery of scalp sensitivity and excellent aesthetic results even in bald patients. Therefore, it can be considered a valid aesthetic and effective alternative to the classic coronal approach and should form part of the craniomaxillofacial surgical armamentarium
Temporomandibular Joint Disorders: Functional and Conservative Treatment
No full textTemporomandibular joint disorders (TMDs) represent a group of conditions that cause pain and dysfunction in the joints and muscles responsible for jaw movement [...
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