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![]() International Journal of Otolaryngology and Head & Neck Surgery, 2013, 2, 286-289 Published Online November 2013 (http://www.scirp.org/journal/ijohns) http://dx.doi.org/10.4236/ijohns.2013.26059 Open Access IJOHNS Use of Diode Laser in Excising Bilateral Inverted Papilloma of Paranasal Sinuses Saurabh Agarwal, Mohan Jagade, Avinash Borade, Anoop A, Rajesh Kar, Sunita Bage, Shubhangi Kedar Department of ENT, Grant Medical College & Sir J.J. Hospital, Mumbai, India Email: [email protected] Received June 7, 2013; revised July 8, 2013; accepted August 1, 2013 Copyright © 2013 Saurabh Agarwal et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. ABSTRACT The inverted papilloma is an u ncommon unilateral benign unilateral tumor of the nose & p aranasal sinuses. Although a benign pathology, it is associated with aggressive local destruction and recurrence after removal and malignancy. The clinical picture presents non-specific signs and symptoms, such as unilateral nasal obstruction, anosmia and headache. Treatment is essentially surgical. This report has the objective of presenting an uncommon bilateral nasal inverted papilloma and the use of diode laser in surg ical excision & making a literature rev iew. The uniqueness in our case was the use of diode laser in excision of inverted papilloma. Keywords: Inverted Papilloma; Laser; Fess; Paranasal Sinuses 1. Introduction WHO defines inverted papilloma as a benign epithelial tumor composed of well differentiated columnar or cili- ated respiratory epithelium having variable squamous differentiation. The inverted papilloma (IP) is a rare and benign nasosinusal tumor, bearing an incidence of 0.75 to 1.5 cases per 100,000/year. It comprises 0.5% to 4% of all primary nasal tumors [1-3]. 91% to 99% of the inverted papillomas are unilateral [4]. Inverted papillo- mas originate from the lateral wall of the nasal cavity, and they secondarily affect the maxillary, ethmoidal, frontal and sphenoid sinuses. The common symptoms are nasal obstruction, epis- taxis and headache in some patients complaining of nasal discharge, facial pain, chronic sinusitis, visual symptoms and epiphora. Surgery is the treatment of choice of which lateral rhinotomy, medial maxillectomy, endoscopic endonasal excision or combined approach is usually used. We hereby report a rare case of bilateral inverted papilloma which was excised with the help of a diode laser. The uniqueness in our case was the use of the diode laser in the excision which helped us to attain a bloodless field during excision with minimal intra operative bleeding. 2. Case Report A 40 years old, male patient presented with chief com- plaints of blocking sensation through both nostrils for 4 years. It was associated with recurrent headache, recur- rent attacks of cold & sneezing. Patient was operated twice elsewhere at peripheral hospital but symptoms re- curred again. He gave history of addiction to cigarette smoking for 20 years. On anterior rhinoscopy examina- tion, a reddish, nonglistening, polypoidal mass was seen filling both nostrils. Maxillary & frontal sinu s tenderness was present bilaterally. On diagnostic nasal endoscopy, reddish polypoidal mass was seen around middle meatus in both nostrils. On CT Paranasal sinuses lobulated enhancing soft tis- sue mass was seen involving right frontal & adjacent part of right ethmoid, left frontal, left anterior ethmoid & bi- lateral superior nasal cavities &right maxillary ostium (Figure 1). Endoscopic guided biopsy from both nostrils was suggestive of inverted papilloma. Patient was planned for excision of papilloma under general anaes- thesia (Figure 2). Right sided Lateral rhinotomy incision was taken. Right medial maxillectomy was done & nasal mass was excised with diode laser in toto (Figure 3). Left sided mass was excised endoscopically. ![]() S. AGARWAL ET AL. 287 Figure 1. Axial CT PNS showing mass in both nostrils. Figure 2. Pre-op photograph showing nasal mass. His postoperative period was uneventful and histopa- thological examination was confirmatory of inverted papilloma. Patient was followed up for 1 year with no signs of disease recurrence. 3. Discussion Inverted papilloma of th e nose and parana sal sinuses is a rare tumor of the head and neck region. Inverted papil- loma remains still poorly understood because of the high recurrence rate and the association with carcinoma. The mean age of the patients was between 52 and 59 years with significantly higher incidence in males (male to female ratio about 4:1 to 3:1) [5-7] with greater preva- lence in Caucasians. Although benign, the inverted papil- Figure 3. Inta-op photograph showing excision of mass with diode laser. loma is characterized by an aggressive growth, great in- vasion potential [4,8,9], being multicentric (12%), high recurrence rates [1-3] and malignization (2% to 53%). About 10% of the IP cases with cellular atypia are asso- ciated with squamous cells carcinoma [3,10-13]. IP origi- nate from the lateral wall of nasal cavity. The primary involvement of the paranasal sinuses is extremely rare, happening only to 5% of the cases [11-13]. Inverted papilloma has many synonyms such as schneiderian pailloma, transitional cell papillloma, villi- form papilloma, cylindrical cell papillloma. The first description of this entity was by Ward who described the macroscopic aspect of a papillomatous neoplasm [14]. It was named schneiderian papilloma in honour of Sir. C. Victor Schneider who in the 1600s identified nasal mu- cosa origin from ectoderm [15]. Ringertz coined the term inverted papilloma revealing the tendency to invert into the underlying stroma [16]. The main theory on IP etiology proposes that Schnei- der membrane, which forms the nasosinusal tract mucosa, originates from the ectodermal invasion of the olfactory placoid. This membrane would then suffer a number of structural changes, causing a greater predisposition for neoplastic differentiation [3,17]. The typical histopathological feature is inversion of the multilayer epithelium into the underlyin g oedematous stroma. Squamous cell epithelium is frequently found, but there is also tran sitional cell epithelium, cylinder cell epithelium, or combinations of these. The basement membrane is typically intact. Stroma is well vascularized and infiltrated with lymphocytes and plasma cells [18]. The commonest symptom of sinonasal inverted papil- loma is progressive unilateral nasal obstruction. Other Open Access IJOHNS ![]() S. AGARWAL ET AL. 288 symptoms include blood mixed nasal discharge, head- ache, facial pain, frequent clearing of throat, decreased or loss of smell, epiphora or symptoms suggestive of sinusi- tis. Inverted papilloma generally occurs unilateral, but the bilateral involvement of the sinonasal tract has been reported in less than 1% to 9% patients [19-21 ]. The diagnosis must start by a detailed examination, investigating environmental exposure, noxious habits, allergies and associated diseases, and by complete otorhi- nolaryngological exam. Endoscopic evaluation and ra- diological (CT and MRI) examinations are required for tumor study and diagnosis. Biopsy together with histo- pathology establishes the diagnosis. A unilateral mass within the nasal cavity or paranasal sinuses with a sur- face configuration that appears lobulated on CT is a new sign that strongly suggests inverted papilloma as a pri- mary diagnosis and also suggests inverted papilloma in patients with tumor recurrence. A columnar pattern is a reliable MRI indicator of IP and reflects its histological architecture (positive predic- tive value of 95.8%). The combination of this finding with the absence of extended bone ero sion allows for the confident discrimination of IPs from malignant tumours [22]. Complete surgical removal is the first option for the treatment of IP and is superior to radiation or chemo- therapy [23,24]. Lateral rhinotomy has been regarded as the traditional standard surgical approach to control IP and to avoid recurrence [25]. It gives a good overview and wide access to the surgical field and can also be per- formed bilaterally [26]. Alternative techniques are the midface degloving procedure & Denker’s approach. The most recent developments in surgery are minimally inva- sive transnasal endoscopic techniques [27,28]. In endo- scopically accessible locations, recurrence rates for en- doscopic vs. open surgery were similar [29]. However, other studies reported higher recurrence rates of IP [30], particularly in cases of peripheral extension, especially into the maxillary sinus [31]. In our case lateral rhinotomy approach was used. The diode laser was used for dissecting out the tumor from its attachment along with the mucosa. Under direct vision, the attachment was ablated with the laser in the cutting and coagulation modes, and the tumor was then delivered. The unique feature of our management was the use of the diode laser. Inverted papillomas are notorious for exten- sive bleeding, so a bloodless field was a great advantage. The hemostatic property of the dode laser helped us to achieve an almost bloodless field. This in turn helped us visualize the exact site of tumor attachment. Laser was essentially used in all three modes: contact, near-contact, and noncontact to achieve cutting, vaporization and co- agulation. The diode laser’s lesser depth of tissue pene- tration and its capability to be used in contact, near con- tact & non contact settings allows the laser to be safely used near the lamina papyracea and skull base. So for bilateral inverted papillomas limited to the nose and paranasal sinuses, we believe our approach is a good option in view of the low rates of intra operative blood loss & minimal post operative morbidity. 4. Conclusion Inverted papillomas are known for excessive bleeding during tumour removal. The use of the diode laser in the excision of inverted papillomas helps to achieve clear intra operative field with no post operative blood transfu- sion requirement. REFERENCES [1] D. P. 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