A member asked:

What does this mean? inverted papilloma with dysplasia and foci of in situ invasive squamous cell carcinoma (transitional)?

A doctor has provided 1 answer

Premalignant: An inverted papilloma is a tumor in which surface epithelial cells grow downward into the underlying supportive tissue. It may occur in the nose and/or sinuses or in the urinary tract (bladder, renal pelvis, ureter, urethra).. With dysplasia and in-situ squamous Ca this would probably be a premalignant sinus carcinoma bordering on squamous cell Ca needing resection.

Answered 12/6/2014

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