From the case: Antrochoanal polyp

Antrochoanal polyp
Coronal non-contrast
Antrochoanal polyp
Modality: CT (non-contrast)

- “ CT through the paranasal sinuses demonstrates a low density mass filling the maxillary sinus protruding though an enlarged maxillary ostium. Fea...”

Used in the following article:

  • Antrochoanal polyp - “ Antrochoanal polyps (ACP) are solitary sinonasal polyps that arise within the maxillary sinus. They pass to the nasopharynx through the sinus osti...”
  • Sinonasal disease - “ The nasal passage and paranasal sinuses (collectively sinonasal) plays host to a number of diseases and conditions, which can be collectively term...”
  • Inverted papilloma - “ Inverted papillomas are a type of Schneiderian papilloma. They are uncommon with distinctive pathological and imaging features. Terminology  The...”

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