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CT Scan Shows Left Antrum Is Completely Opacified With A Large Antrochonal Polyp Extending Into The Nasal Passage Could Be Cancer

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Posted on Thu, 7 Mar 2024
Question: Hello I had a CT scan of my sinuses and the report came back as " the left antrum is completely opacified with a large antrochonal polyp extending into the nasal passage"
Please reassure that this does not look like it could be cancer? Am very stressed
doctor
Answered by Dr. Dr. Naveen Kumar Nanjasetty (9 hours later)
Brief Answer:
It is unusual for an antrochoanal polyp to develop into malignancy.

Detailed Answer:
Hi

Thank you for submitting the inquiry.

I read through your inquiry and understood your issue. Not all antrochoanal polyp cases progress to malignancy. It could be a benign lesion caused by nasal allergies or pathology in the surrounding area.
Malignancy of unilateral polyps is common in the elderly and appears rarely in the younger generation. Nasal bleed, face swelling, and severe pain are common symptoms of malignant lesions. These lesions spread quickly to the surrounding structures and cause more morbidity than benign lesions.

To determine the specific type of the lesion, we will need to do additional tests such as diagnostic nasal endoscopy, biopsy and Magnetic Resonance Imaging (if necessary). A CT scan is a gold standard investigation for determining the extent of the lesion and damage to nearby structures. The other tests described before help to confirm the diagnosis.

I hope this answers your query. Revert if you have any follow-up queries.

Regards
Dr. Naveen Kumar N
ENT and head and neck surgeon
Above answer was peer-reviewed by : Dr. Nagamani Ng
doctor
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Follow up: Dr. Dr. Naveen Kumar Nanjasetty (10 hours later)
So can a CT scan determine whether sinus cancer is present?
And alternatively can it determine betweeen an antrochonal polyp and tumour?
doctor
Answered by Dr. Dr. Naveen Kumar Nanjasetty (34 hours later)
Brief Answer:
In the early stages of the tumor, the CT scan findings may be normal

Detailed Answer:
Hi

Thank you for responding.

As there is minimal damage to the surrounding structures in the early stages of the tumor, a CT scan may not be able to definitively determine whether it is a malignant or benign tumor of the maxillary sinus. After the lesion has been removed, the diagnosis is typically made through a histological study.

In addition, to correlate the results of the CT scan, we must also take into account the age and other related symptoms.

Hope this clarifies your doubts. I wish you a good health.

Regards
Dr. Naveen Kumar N
ENT and Head & Neck Surgeon
Above answer was peer-reviewed by : Dr. LAKSHMI
doctor
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Follow up: Dr. Dr. Naveen Kumar Nanjasetty (1 hour later)
Since my last question I saw an ENT who did a nasal endoscopy and saw the polyp. He said it looked exactly like an antrochonal polyp.
Can I be assured with the endoscopy and CT both showing an antrochonal polyp?
doctor
Answered by Dr. Dr. Naveen Kumar Nanjasetty (22 hours later)
Brief Answer:
Yes, with endoscopy and CT scan we can identify the antrochoanal polyp

Detailed Answer:
Hi

Will come back

Yes, an antrochoanal polyp can be appropriately identified with a diagnostic nasal endoscopy and CT scan of the paranasal sinuses. The diagnostic nasal endoscopy provides information regarding the color, consistency, and texture of a polyp originating from the maxillary sinus. The CT scan, on the other hand, provides information regarding the extension of the polyp as well as any degradation of the bone and surrounding tissues.

I hope this clarifies your doubts. I would be happy to answer any further queries.

Regards
Dr. Naveen Kumar N
ENT and Head & Neck Surgery
Above answer was peer-reviewed by : Dr. Vaishalee Punj
doctor
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Follow up: Dr. Dr. Naveen Kumar Nanjasetty (48 hours later)
How long does antrochoneal polyps take to grow?
doctor
Answered by Dr. Dr. Naveen Kumar Nanjasetty (46 hours later)
Brief Answer:
There is no specified time limit for the polyp to grow.

Detailed Answer:
Hi

Welcome back

The antrochoanal polyp has no time constraint to grow. It is determined by the person's immunity, allergic state, and the medications utilized.

Regards
Dr. Naveen Kumar N
ENT and Head & Neck Surgeon
Note: Consult an experienced Otolaryngologist / ENT Specialist online for further follow up on ear, nose, and throat issues - Book a Call now.

Above answer was peer-reviewed by : Dr. Vaishalee Punj
doctor
Answered by
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Dr. Dr. Naveen Kumar Nanjasetty

Otolaryngologist / ENT Specialist

Practicing since :2001

Answered : 2545 Questions

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CT Scan Shows Left Antrum Is Completely Opacified With A Large Antrochonal Polyp Extending Into The Nasal Passage Could Be Cancer

Brief Answer: It is unusual for an antrochoanal polyp to develop into malignancy. Detailed Answer: Hi Thank you for submitting the inquiry. I read through your inquiry and understood your issue. Not all antrochoanal polyp cases progress to malignancy. It could be a benign lesion caused by nasal allergies or pathology in the surrounding area. Malignancy of unilateral polyps is common in the elderly and appears rarely in the younger generation. Nasal bleed, face swelling, and severe pain are common symptoms of malignant lesions. These lesions spread quickly to the surrounding structures and cause more morbidity than benign lesions. To determine the specific type of the lesion, we will need to do additional tests such as diagnostic nasal endoscopy, biopsy and Magnetic Resonance Imaging (if necessary). A CT scan is a gold standard investigation for determining the extent of the lesion and damage to nearby structures. The other tests described before help to confirm the diagnosis. I hope this answers your query. Revert if you have any follow-up queries. Regards Dr. Naveen Kumar N ENT and head and neck surgeon