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*+/-Mucus-impaction (dilated glands with mucus). | *+/-Mucus-impaction (dilated glands with mucus). | ||
**Suggestive of cystic fibrosis.<ref name=pmid15554502>{{cite journal |author=Beju D, Meek WD, Kramer JC |title=The ultrastructure of the nasal polyps in patients with and without cystic fibrosis |journal=J. Submicrosc. Cytol. Pathol. |volume=36 |issue=2 |pages=155–65 |year=2004 |month=April |pmid=15554502 |doi= |url=}}</ref> | **Suggestive of cystic fibrosis.<ref name=pmid15554502>{{cite journal |author=Beju D, Meek WD, Kramer JC |title=The ultrastructure of the nasal polyps in patients with and without cystic fibrosis |journal=J. Submicrosc. Cytol. Pathol. |volume=36 |issue=2 |pages=155–65 |year=2004 |month=April |pmid=15554502 |doi= |url=}}</ref> | ||
===Sign out=== | |||
<pre> | |||
A. Nasal sinus tissue, right, excision: | |||
- Inflammed edematous sinonasal mucosa with abundant neutrophils. | |||
- Negative for malignancy. | |||
B. Nasal sinus tissue, left, excision: | |||
- Inflammed edematous sinonasal mucosa with abundant neutrophils and fragments of bone. | |||
- Negative for malignancy. | |||
</pre> | |||
==Allergic nasal polyp== | ==Allergic nasal polyp== |
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