The procedure implies surgical excision of the lateral nasal wall and ethmoid sinus. This technique is aided by the usage of adequate instruments, such as 0° and 70° scopes and angulated surgical instruments, which allow the complete visualization and access to the maxillary sinus.
The authors inverted papilloma nasal treatment, as an endoscopic surgical inverted papilloma nasal treatment, step by step, the surgical procedure for endoscopic approach of inverted papilloma, in order to reach a complete tumor removal without any leftovers. Keywords medial maxillectomy, inverted papilloma, endoscopic sinus surgery Rezumat Tehnica maxilectomiei mediale reprezintă standardul de aur în tratamentul chirurgical al papilomului inversat, deoarece oferă o expunere adecvată a peretelul nazal lateral şi a sinusului maxilar.
Intervenţia include excizia chirurgicală a peretelui nazal lateral şi a sinusului etmoidal. Această tehnică este posibilă prin inverted papilloma nasal treatment instrumentarului adecvat, a tijelor de 0° şi 70° şi a instrumentelor chirurgicale angulate, care permit vizualizarea şi accesul complet spre sinusul maxilar.
Maxilectomia maxilară medială pentru papilomul inversat
Autorii prezintă, ca un atlas de chirurgie endoscopică, paşii acestei tehnici chirurgicale de abord endoscopic al papilomului inverted papilloma nasal treatment, în vederea exciziei complete a tumorii, fără nicio restanţă.
Cuvinte cheie maxilectomie medială papilom inversat chirurgie sinuzală endoscopică Introduction Inverted papilloma represents inverted papilloma nasal treatment invasive, unilateral, benign tumoral mass, which has its origin in the nasal mucosa and presents a risk of malignancy.
It is most commonly located on the lateral nasal wall, extended to the maxillary and ethmoid sinus 1. When it has its origin in the maxillary sinus, the elected technique is represented by endoscopic medial maxillectomy.
Medial maxillectomy aims to enable the access to the maxillary sinus, superior to the combined middle and inferior meatus approach.
In the last decades, with the development of endoscopic and imagistic techniques, the endoscopic approach replaced the external procedures, as it presents similar success rates, lower morbidity and better esthetic outcomes for the patient 2.
Also, endoscopic approach was proven to allow the better evaluation of nasal mucosa. The indications for endoscopic medial maxillectomy include inverted papilloma, nasopharyngeal angiofibroma and pterygomaxillary fossa pathology 3.
The diagnostic protocol depends on a computed tomography, which illustrates the extension and place of attachment of the tumor.
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This image shows the left maxillary sinus completely occupied by a tumoral mass, extended to the left nasal fossa, hyperostosis of the maxillary sinus walls and an anterior bony thickening, representing the origin of the tumor Figure 1. Figure 1. CT image, coronal section, showing complete blockage of the maxillary sinus, hyperostosis and tumoral origin arrow The first surgical step includes antero-posterior ethmoidectomy, with the excision of the tumor from this level and from the middle meatus.
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We used a piece-meal resection, using bipolar electrocoagulation for hemostasis Inverted papilloma nasal treatment 2. Figure 2.
Maxilectomia maxilară medială pentru papilomul inversat
Intraoperative aspect of ethmoidectomy with tumor excision After ethmoidectomy and clearing of the middle meatus, the resection of the inferior turbinate and sinonasal wall is performed. This technique allows a complete resection of the tumor and a good visualisation of the maxillary sinus extensions Figure 3.
Endoscopic resection of the inferior turbinate inverted papilloma nasal treatment lateral nasal wall Medial viermisorii se transmit offers an optimal access to the maxillary sinus, with the complete resection of the tumor and the identification of the tumor origin. It represents the key point of tumor resection in order to avoid any leftovers Figure 4.
VI, NR. Rar este ntlnit la nivelul vestbulului, septului, rinofaringelui, sinusurilor frontale i sfenoidale sau la nivelul sacului la- crimal. Etologia papilomului invertt este necunos- cut.
Figure 4. The identification of the tumor origin using the 70° scope The deperiostation of the tumor attachment is required, as it lowers the risk of recurrence. We can succeed in this procedure using an angulated curette Figure 5 or an angulated diamond burr, depending on the position of the bony stalk or hyperostosis.
Figure 5. The deperiostation of tumor origin Final image of the widely opened medial maxillectomy ostium and resorbable sponge applied in the maxillary sinus.
This procedure does not require the usage of a hemostatic sponge Figure 6. Figure 6.
Endoscopic medial maxillectomy for inverted papilloma
Final image with resorbable sponge applied Conclusions Inverted papilloma is a benign tumor with recurrence and malignancy potential. Recurrence is in inverted papilloma nasal treatment a tumoral residue. The endoscopic medial maxillectomy is the elected technique for complete tumoral resection and ensures a superior approach to the maxillary sinus and also lowers the risk of recurrence.
Conflict of interests: The authors declare no conflict of interests.
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