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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Nasopharyngeal angiofibroma – Wikipedia
Continuous growth involves the sphenoidal sinus, nasal fossa and middle turbinate, pterygomaxillary fossa and the posterior wall of the maxillary sinus as seen in the present case. A biopsy is recommended only in cases of diagnostic uncertainty4.
In addition, preoperative embolization may complicate the identification of the full extent of surgical margins by reducing the tumor size and increasing the risk of relapse Medical treatment and radiation therapy are only of historical interest.
Surgical methods in all patients were based on Fisch classifications. Endoscopic Surgery for Juvenile Angiofibroma: Endoscopic approach for excision of juvenile nasopharyngeal angiofibroma: About Blog Go ad-free.
Recent immunohistochemical and genetic studies throw some light on this topic.
Juvenile nasopharyngeal angiofibroma
Acta Otolaryngol,pp. The endoscopic resection is best indicated for small tumors confined to the nasopharynx, nasal cavity, ethmoid and sphenoid, and in some cases, tumors with extension into the pterygopalatine fossa 4. Tumor size was not associated with bleeding.
It most commonly affects adolescent males and may grow into fissures of the skull and may spread to adjacent structures. How to cite this article. This patient is awaiting examination for staging and subsequent treatment planning.
Angiofibroma nasofaríngeo juvenil
Advanced lesions with orbital and intracranial extension are difficult to treat and may recur often. He had no noteworthy family history or past medical history.
Mean blood loss during surgery was mL range, — mL. Other advantages include less surgical time, hospitalization, absence of visible scars, avoids complications such as epiphora, dysesthesia, trismus, and craniofacial deformities 2,5,14, Salvage Surgery in the Treatment of Local Recurrences of In 34 patients, the primary tumour irrigation system came from the external carotid artery; in one case, the tumour was angiofibroa by circulation from only the internal carotid artery.
Treatment trends in patients during 40 years. Support Center Support Center. Some surgeons, however, do not routinely perform embolization preoperatively, finding that embolization is justified only in larger tumors Eventually, the tumor may invade the infratemporal fossa and the middle cranial fossa. Proliferation, angiogenesis and hormonal markers in juvenile nasopharyngeal angiofibroma.
They develop at a slightly older age and occur more commonly in women. Normally, RT fails to reduce the tumour, but stops its growth.
Endoscopic Laser-assisted excision of juvenile nasopharyngeal angiofibromas. Sign up for our Email Newsletters. The presence of prominent flow voids lead to a salt and pepper appearance on most sequences and are characteristic 5,6.
The mean age at diagnosis was 16 years, which was juvebil to that reported by other series. The main clinical presentation of JNA is unilateral nasal obstruction with or without epistaxis.
Detailed information Article for general public English Endoscopic surgery alone or with other conventional techniques was safe for the treatment of angiofibromas of different stages.