A polyp that involves the sphenoidal sinus.
Comprehensive, easy-to-understand information about this condition
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epulis
MONDO:0003396
polyp of middle ear
MONDO:0004223
uterine polyp
MONDO:0004701
intestinal polyp
MONDO:0005288
paranasal sinus neoplasm
MONDO:0005289
sinusitis
MONDO:0005961