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Sinonasal Angiomatous Polyp: A Case Report.

Priya Kanagamuthu1, Adithya Vasudevan1

  • 1Department of ENT, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Chettinad Health City, Kelambakkam, Tamil Nadu 603103 India.

Indian Journal of Otolaryngology and Head and Neck Surgery : Official Publication of the Association of Otolaryngologists of India
|April 3, 2024
PubMed
Summary

Sinonasal angiomatous polyps are rare growths causing bone erosion and bleeding. Diagnosis uses imaging, and treatment involves endoscopic surgery to restore sinus drainage.

Keywords:
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Area of Science:

  • Otolaryngology
  • Pathology
  • Radiology

Background:

  • Sinonasal angiomatous polyps (SAPs) are uncommon sinonasal neoplasms.
  • They present as solitary, painless growths with significant bone erosion and bleeding, mimicking malignancy.
  • Accurate diagnosis and management are crucial due to their aggressive nature.

Purpose of the Study:

  • To describe the clinical presentation, diagnostic imaging, and histopathological features of sinonasal angiomatous polyps.
  • To outline the recommended management strategy for these lesions.

Main Methods:

  • Review of imaging findings from computed tomography (CT) and magnetic resonance imaging (MRI).
  • Analysis of histopathological characteristics, focusing on vascular structures.
  • Description of surgical management techniques.

Main Results:

  • SAPs exhibit aggressive bone erosion and bleeding, necessitating advanced imaging for evaluation.
  • CT and MRI are valuable tools for assessing the extent of the lesion and bone involvement.
  • Histopathology reveals large, dilated, capillary-like blood vessels.

Conclusions:

  • Sinonasal angiomatous polyps require a high index of suspicion due to their aggressive presentation.
  • Multimodality imaging is essential for diagnosis and surgical planning.
  • Endoscopic surgical excision with restoration of sinus drainage is the standard management approach.