Juvenile nasopharyngeal angiofibromas (JNA) are a rare benign but locally aggressive vascular tumor. Epidemiology Juvenile nasopharyngeal angiofibromas. Introduction: Juvenile nasopharyngeal angiofibroma (NAJ) is a tumor with .. Acessos Cirúrgicos no Angiofibroma Nasofaríngeo Juvenil – Relato de caso e. Juvenile nasopharyngeal angiofibroma (JNA) is a rare and benign but locally aggressive fibrovascular tumor arising from the posterolateral wall of the.
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These lesions include inflammatory polyps, angiomatous polyps, nasopharyngeal cysts and carcinomas, soft tissue neoplasms such as papilloma, lymphoma, neurofibroma, maxillary malignancies, nasal fossa esthesioneuroblastoma, adenoid hypertrophy, cervical vertebrae cordomas and retropharyngeal ganglia tuberculosis.
Endoscopic Ressection of Juvenile Angiofibroma. Stage IIIa with extradural intracranial involvement parasellar. Laterally, these tumors may extend to and fill the pterygomaxillary fossa, causing the posterior wall of the maxillary sinus to bulge and eroding the pterygoid plate. Llorente JL, et al.
Irradiation may be an option if angiodibroma is not possible or only incomplete resection achieved 2,4,6. The genetic alterations observed more often involve sex angioofibroma. National Center for Biotechnology InformationU. It presents as an innocuous, painless, unilateral nasal obstruction with or without epistaxis and rhinorrhea.
Int J Pediatr Otorhinolaryngol, 73pp. The material is in no way intended to replace professional medical care by a qualified specialist and should not be used as a basis for diagnosis or treatment. J Neurosurg,pp. In all of them, it was possible to achieve complete tumour resection without complications and without any recurrence being observed. Preoperative embolisation, if possible, is mandatory.
Nasal endoscopy, alone or combined with open techniques, was safe for the resection of angiofibromas at different stages, with low morbidity and high efficacy, as shown by complete tumor removal and low recurrence rates. The purpose of surgery is complete tumour resection with the least possible morbidity.
Symptoms of JNA depend on tumour location, size and extent. The presence of prominent flow voids lead to a salt and pepper appearance on most sequences and are characteristic 5,6.
Many studies highlight the benefit of preoperative arterial embolization to control bleeding intraoperative 16,29, Consistent with previous results, we found that the mean operation time in the 17 patients who underwent endoscopic surgery alone was min When diagnosed early the patients are treated with a combination of preoperative embolization and surgical resection providing a good prognosis.
Longer duration of surgery is associated with greater changes in body homeostasis due to surgical trauma. The recurrence rate of endoscopically resected tumors anyiofibroma been shown to be low, and we found that none of our 20 patients experienced tumor recurrence.
It most commonly affects adolescent males angiovibroma may grow into fissures of the skull and may spread to adjacent structures.
The mean follow-up time was 85 months range, 10— months. Due to its sequelae, open facial translocation is hardly ever employed and those cases in our series belong to the early years of the review. These interventions angioifbroma carried out by SNES or else by a lateral rhinotomy. On examination, it may be seen as a pale reddish-blue mass.
Angiofibroma nasofaríngeo juvenil – Wikipedia, la enciclopedia libre
Am J Rhinol Allergy, 24pp. Juvenile nasopharyngeal angiofibroma is a rare, highly vascular, and histologically benign tumor, generally aniofibroma in male adolescents. Click here for information on linking to our website or using our content or images.
He underwent a tracheotomy prior to secure the airway by provisional character.
We used the SPSS This item has received. Am J Clin Pathol.
Endoscopic Surgery of Nasopharyngeal Angiofibroma
Non-surgical treatments are available, including the use of hormones estrogen, testosteroneradiation therapy, chemotherapy, and recently, embolization; however, surgery is considered the treatment of choice, with the route depending on the stage of the tumor and the overall condition of the patient 11,12, Surgical resection either open or increasingly endoscopic is the treatment of choice, usually performed with pre-operative embolisation to help with haemostasis.
However, complete resection of the tumour requires sufficient surgical exposure. The authors have no conflicts of interest to declare. Mesothelioma Malignant solitary fibrous tumor. These data contrast with the obvious evidence and the data published by other authors, who observed that embolisation reduces the need for transfusions.
All patients underwent angiography with embolization of the tumor days before surgery. The origin and development of JNA is not fully understood.
Angiofibroma nasofaríngeo juvenil
Evaluation angiofiibroma the effectiveness of preoperative embolization in surgery for nasopharyngeal angiofibroma. These JNA tumours have a low incidence 1 case per inhabitants and represent less than 0.
Our patients were classified using the Fisch system, the most widely used in most studies Figures 2 and 3. Tumor volume was not associated with bleeding in patients with and without clamping.
Endoscopic resection of juvenile nasopharyngeal angiofibroma. Endoscopic Surgery of Nasopharyngeal Angiofibroma.