alexa The Role of Endoscopic Surgery in the Treatment of Nasal Inverted Papilloma
ISSN: 2161-119X
Otolaryngology: Open Access

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  • Case Report   
  • Otolaryngology 2012, Vol 2(3): 117
  • DOI: 10.4172/2161-119X.1000117

The Role of Endoscopic Surgery in the Treatment of Nasal Inverted Papilloma

Xiao-Wei Liu and Jing-Wu Sun*
Department of Otolaryngology-Head and Neck Surgery, Anhui Provincial Hospital, Hefei, Anhui province, China
*Corresponding Author: Jing-Wu Sun, MD, Department of Otolaryngology-Head and Neck Surgery, Anhui Provincial Hospital, Hefei, Anhui Province, 230001, China, Tel: 86-13956983185, Fax: 86-05512283465, Email: [email protected]

Received Date: Sep 02, 2011 / Accepted Date: Jun 29, 2012 / Published Date: Jul 05, 2012

Abstract

1.1 Object: To explore the indications for surgical approach of nasal inverted papilloma based on clinical data. 1.2 Methods: In a retrospective study, clinical date of 72 patients with inverted papilloma operated at Anhui Provincial Hospital from 2000 to 2008. A preoperative CT scan was performed in all cases. 1.3 Result: There was no recurrence in any of the two T1 cases. T2--seven recurrence cases among 32 endoscopic cases and one among the four lateral rhinotomy, one among the three combined cases. T3--endoscopic: five recurrences in 22 cases, lateral rhinotomy: one in five cases, combine: one in two. T4--lateral rhinotomy: one case. 1.4 Conclusion: Based on the extensions and sites of the lesions, we should have different approaches to different cases. The endonasal microsurgial approach should be preferred to the cases with tumors localized in the ethmoid, sphenoid, maxilary sinus and frontal sinus ostium.

Keywords: Nose neoplasm, Papilloma, Surgical procedure Endoscopy

Introduction

Inverted papilloma is a rare benign neoplasia that, most of the times, originates from the lateral nasal cavity wall, more precisely in the middle meatus region [1]. Inverted papilloma represents from 0.5 to 4% of all nasal cavity tumors and is 25 times less frequent than nasal polyps [2], it is also known as fibromyxoid papilloma, transitional cells papilloma, Ewing papilloma, Schneiderian papilloma or Ringertz’s papilloma [2]. This lesion has an endophytic growth pattern, with epithelium surface inversion to inside the stroma and, although benign, it is locally invasive and tends towards malignant transformation [2]. It has high rates of post-operative recurrence, which emphasizes the importance of an accurate tumor mapping and its complete exeresis [3].

Thus, with the progress of endoscopic surgical technique, this treatment option for the nasosinusal inverted papilloma is under disscussion, being compared to traditional external approaches, in the present study we compared the postoperative results of both surgical techniques, staging patients according to the classification proposed by Krouse [4].

Materials and Methods

We studied the charts of all patients diagnosed with nasosinusal inverted papillomas that were operated upon at the Department of Otorhinolaryngology of the Anhui Provincial Hospital of Anhui Medical University between March, 2000 and August, 2008. All the patients underwent preoperative CT scan and were proved by pathology, and followed up at least for 12 months. They were divided in four staging groups, based on the Krouses’ classification for the nasosinusal inverted papilloma.

The study includes the information on patients’ first symptoms, age, tumor side, gender. All patients’ treatment was surgical, including endonasal, endoscopic, external, or a combined approach. Due to the advances in the endoscopic surgical techniques, there has been a trend towards external approach in the patients operated early on, and more endoscopic in the more recent cases.

Results

Of the 72 studied patients with naosinusal inverted papillomas, 56 cases were males (77.8%), 16 patients were females (22.2%). Age varied from 27 to 78 years, with average 50.4 years. The lesion involved the left side in 36 patients (50%), the right side in 33 (45.8%). and bilateral side in 3 (4.2%). About the first symptoms, 44 patients presented epiataxis, 54 nasal obstructions, 19 rhinorrhea, 9 headache, 14 anosphresia, 1 face anaesthesia and 1 eyesight digression (Table 1).

Epiataxis Nasal obstruction Rhinorrhea Headache Ansphresia Others
44(61%) 54(75%) 19(27%) 9(13%) 14(19%) 2(3%)

Table 1: The first symptoms

Based on the Krouse’s classification, we had two patients in T1 (3%, Figure 1), 39 cases in T2 (54%, Figure 2), 29 T3 (40%, Figure 3), two T4 (3%, Figure 4). 56 patients were operated upon only endoscopically (78%), 10 cases underwent lateral rhinotomy (14%), five patients underwent endoscopic procedures combined with Caldewell-Luc intervention (7%), and partial resection of maxilla was carried out in one case (1%). The two T1 cases were operated upon endoscopically (100%). Among T2 cases: 32 suffered enodscopic surgery (82%), 4 lateral rhinotomy (10%), 3 combined approach (8%). 29 T3 cases: 22 endoscopic (76%), 5 lateral rhinotomy (17%), 2 combined (7%). One of T4 was operated though lateral rhinotomy, the other though partial resection of maxilla (Table 2).

Figure

Figure 1: (Krouse T1, the disease is limited to the nasal cavity alone )

Figure

Figure 2: (Krouse T2, the disease is limited to the ethmoid sinuses and medial and superior portions of the maxillary sinuses.)

Figure

Figure 3: (Krouse T3,the disease involves the lateral or inferior aspects of the maxillary sinuses or extension into the frontal or sphenoid sinuses )

Figure

Figure 4: (Krouse T4,the disease involves tumor spread outside the confines of the nose and sinuses, as well as any malignancy)

Approach Tumor staging
T1 T2 T3 T4
Endoscopic 2 32 22 0
Lateral rhiontomy 0 4 5 1
Combined 0 3 2 0
Partial resection of maxilla 0 0 0 1

Table 2: The approach and tumor staging

There was tumor recurrence in 17 patients (23.6%), 12 of them were operated upon endoscopically, their lateral rhinotomy was combined. There was no recurrence in any of the two T1 cases. Nine of the 39 T2 cases presented recurrence (23.1%). Seven patients among 29 T3 had recurrence (24.1%), one of them was canceration. The T4 patient had a recurrence (50%), one of them was canceration (Table 3).

  Staging of recurrences/of cases % recurrence
T1 0/2 0%
T2 9/39 23.1%
T3 7/29 24.1%
T4 1/2 50%

Table 3: % recurrence by staging

When we consider the number of recurrence cases divided by surgical approach and the staging, we obtained: T2--seven recurrence cases among 32 endoscopic cases and one among the four lateral rhinotomy, one among the three combined cases. T3--endoscopic: five recurrences in 22 cases, lateral rhinotomy: one in five cases, combine: one in two. T4--lateral rhinotomy: one case.

Discussion

The inverted papilloma, also called Schneider papilloma, Ewing papilloma, transitional cells papilloma, epithelial papilloma villus cancer, is a benign sinusal tumor with undefined etiology [5,6].

The clinical aspect of the IP is unilateral nasal obstruction (98%), rhinorrhea (17%), epistaxis (6%), anosmia (4%) and headache [5-7]. Our series had 75% of the patients with nasal obstruction, 61% with epistaxis. From 91% to 99% of the inverted papilloma were unilateral [8]. In our cases, the lesion involved bilateral side in 3 (4.2%), and their first symptom was nasal obstruction and rhinorrhea. It is easy to misdiagnosis as sinusitis.

Although it is a benign lesion, the inverted papilloma is locally aggressive, bears high recurrence rates and is associated to aquamous cell carcinomas in 5 to 15% of the cases [3]; for such reason, many surgeons adopt extra-nasal procedures as treatment of choice for these tumors. However, with the progress in the endonasal endoscopic surgical technique, there has been much debate regarding possible benefits of such surgical approach over traditional ones such as lateral rhinodomy, degloving and sublabial approach [9].

Nasal cavity and paranasal sinuses CT scan suggest IP when there is an image of soft tissue present from the middle meatus all the way to the adjacent maxillary antrum, through an enlarged maxillary ostium, as the one seen in our patient. MRI provides a more accurate assessment of tumor boundaries and implantation site, differentiating it from the adjacent inflammatory tissue and it is also the exam of choice for postoperative follow up [6]. However it is of higher cost for the patients.

Kraft et al. [10] thought the indication of lateral rhinotomy and endoscopic is different. The surgical approach was accord to the position and the range of the lession. If the lession access to nasal cavity, maxillary, ethmoid and sphenoid sinus, it is better to chose the endoscopic approach; if the lesion access to lacrimal sac, nasofrontal duct and the fossa orbitalis, it is better to chose the lateral rhinotomy. In our series, the two T1 cases were approached endoscopically, without recurrence, seven recurrence cases among 32 endoscopic T2 cases and five recurrences in 22 T3 cases. Both of the two approaches have disadvantages. The lateral rhinotomy remove the whole lateral wall of the nasal cavity, expose the tumor thoroughly, especially when the lession reach to the fossa orbitalis and the brain, however, it has not a better visualization of tumor extention and its insertion, and there will be scar on the face. The endoscopic surgery may be beneficial in the anasosinusal papilloma surgery exclusively or in combination with the external access. It has many advantages: 1) It allows better visualization of tumor extension and its insertion, 2) It is less invasive, less bleeding and is necessary to persist structure and function of nasal cavity, allowing for better healing with decreased morbidity and shorter recovery periods. In our cases, we take the endoscopic surgery to T3 cases, the range of the resection can reach the lateral rhinotomy. After surgery six months later, the Figure 5 shows the CT scan. We think whether some benign tumors in the bases of skull like pterygopalatine fossa can be removed by the endoscopic surgery.

Figure

Figure 5: After surgry six months later a case which we take the endoscopic surgery to T3 cases ,the rang of the resection can reach the lateral rhinotomy.

Conclusion

Our review with 72 cases of nasosinusal inverted papilloma pointed to a greater trend towards recurrence among the cases with more tumoral extension. Based on the extensions and sites of the lesions, we should have different approaches to different cases. The endonasal microsurgical approach should be preferred to the cases with tumours localized in the ethmoid, sphenoid, maxilary sinus and frontal sinus ostium.

Acknowledgements

We thank Dr. Luo B for the instructions on the manuscript. We also thank everybody who helped us in the study.

References

Citation: Liu XW and Sun JW (2012) The Role of Endoscopic Surgery in the Treatment of Nasal Inverted Papilloma. Otolaryngology 2:117. Doi: 10.4172/2161-119X.1000117

Copyright: © 2012 Liu XW, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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