Article

Challenges in the management of sphenoid inverted papilloma.

Rhinology and Sinonasal Surgery, University of Texas Medical School, Houston, Texas, USA.
American Journal of Rhinology (Impact Factor: 1.36). 19(2):207-13.
Source: PubMed

ABSTRACT Inverted papilloma (IP) arising in the sphenoid sinus is extremely rare. Management of sphenoid sinus IP is especially challenging because of the paucity of sinonasal symptoms on presentation and the inherent surgical risks associated with the anatomic location of the sphenoid sinus.
We performed a retrospective review of medical records of all patients with IP arising within the sphenoid sinus.
A total of five patients were identified. All patients were managed with endoscopic resection. The most common presenting symptom was headache (three patients). The mean follow-up period was 37.6 months (range, 10-79 months). Two patients with erosive skull base lesions adjacent to the internal carotid artery were managed with a staged endoscopic resection. Only one patient developed a recurrence after 38 months and underwent revision endoscopic resection.
Endoscopic management of sphenoid IP allows maximal resection with minimal morbidity and facilitates endoscopic postoperative surveillance. Complete preoperative radiological assessment of tumor extent is essential. Preoperative medical therapy can help normalize inflamed mucosa and minimize intraoperative bleeding. For large erosive IP, surgical risks may be minimized by considering a staged resection and using computer-aided surgery.

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    ABSTRACT: The inverted papilloma (IP) arising in the sphenoid sinus is rare. Currently, human papilloma viruses are accepted as tumor-inducing and promoting agents involved in benign and malignant tumors of mucosal tissues in the upper aerodigestive tract. A 29-year-old man visited our institution with three years history of right side of nasal obstruction. An endoscopic sphenoidotomy was performed and histological analysis was consistent with an IP without cellular atypia. In the present report, we describe for the first time a case of IP involving the sphenoid sinus that presented with HPV type 16 genome verified by PCR.
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    ABSTRACT: Skull base inverted papilloma (IP) is an unusual entity for many neurosurgeons. IP is renowned for its high rate of recurrence, its ability to cause local destruction, and its association with malignancy. This paper is a comprehensive review of the reports, studies, and reviews published in the current biomedical literature from 1947 to September 2010 and synthesize this information to focus on its potential invasion to the base of the skull and possible intradural extension. The objective is to familiarize the clinician with the different aspects of this unusual disease. The role of modern diagnostic tools in medical imaging in order to assess clearly the limits of the tumors and to enhance the efficiency and the safety in the choice of a surgical approach is pointed out. The treatment guidelines for IP have undergone a complex evolution that continues today. Radical excision of the tumour is technically difficult and often incomplete. Successful management of IP requires resection of the affected mucosa which could be achieved with open surgery, endoscopic, or combined approach. Radio and chemotherapy were used for certain indications. More optimally research would be a multicenter randomized trials with large size cohorts.
    ISRN surgery. 01/2012; 2012:175903.