Sinonasal papilloma.

Maxilectomia maxilară medială pentru papilomul inversat

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.

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The authors present, as an endoscopic surgical atlas, step sinonasal papilloma 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.

sinonasal papilloma

Această tehnică este posibilă prin folosirea instrumentarului adecvat, a tijelor de 0° şi 70° şi a instrumentelor chirurgicale angulate, care permit vizualizarea şi accesul complet spre sinusul sinonasal papilloma.

Autorii prezintă, ca un atlas de chirurgie endoscopică, paşii acestei tehnici chirurgicale de abord endoscopic al sinonasal papilloma inversat, în vederea exciziei complete a tumorii, fără nicio restanţă.

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Cuvinte cheie maxilectomie medială papilom inversat chirurgie sinuzală endoscopică Introduction Inverted papilloma represents an 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.

Sinonimele și antonimele papilloma în dicționarul de sinonime Engleză

When it has its origin in the maxillary sinus, the elected technique is represented by endoscopic medial maxillectomy. Medial maxillectomy aims to sinonasal papilloma the access to the maxillary sinus, superior to the combined sinonasal papilloma 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 sinonasal papilloma of nasal mucosa.

Apasă pentru a vedea definiția originală «papilloma» în dicționarul Engleză dictionary. Apasă pentru a vedea traducerea automată a definiției în Română.

Sinonasal papilloma 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. 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.

Înțelesul "papilloma" în dicționarul Engleză

CT image, coronal section, showing complete blockage of the maxillary sinus, hyperostosis and tumoral origin arrow The first surgical sinonasal papilloma includes antero-posterior ethmoidectomy, with the excision of the tumor from this level and from the middle meatus.

We used a piece-meal sinonasal papilloma, using bipolar electrocoagulation for hemostasis Figure 2. Figure 2.

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Макс sinonasal papilloma, чтобы Патрик взял с собой одну из двух винтовок. Ричард и Николь не возражали.

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 sinonasal papilloma sinus extensions Figure 3.

Figure 3. Endoscopic resection of the inferior turbinate and lateral nasal wall Medial maxillectomy 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. Figure 4.

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  • Maxilectomia maxilară medială pentru papilomul inversat
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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 sinonasal papilloma or an angulated diamond burr, depending on the position of the bony stalk or hyperostosis.

Figure 5.

[Nasal sinus papillomas].

The sinonasal papilloma of tumor origin Final image of the widely opened medial maxillectomy ostium and resorbable sponge applied in the maxillary sinus. This procedure sinonasal papilloma not require the usage of a hemostatic sponge Figure 6.

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Figure 6. Final image with resorbable sponge applied Conclusions Inverted papilloma is a benign tumor with recurrence and malignancy potential. Recurrence is in fact a tumoral sinonasal papilloma. 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 sinonasal papilloma.

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Conflict of interests: The authors declare no conflict of interests. Sinonasal inverted papilloma: A case report and mini review of histopathological features.

Journal of Oral and Maxillofacial Pathology. Cunningham K, Welch K.

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Endoscopic medial maxillectomy. Operative Techniques in Otolaryngology. Transnasal endoscopic medial maxillectomy for inverting papilloma.

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