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November 1984

Polyethylene Sponge Total Ossicular Replacement Prosthesis: A Histopathologic Study-Reply

Arch Otolaryngol. 1984;110(11):765. doi:10.1001/archotol.1984.00800370067020

In Reply.—In the December 1982 Archives, we reported our findings from a histopathologic study of a Plastipore TORP implanted 13 months before death of our patient.

The text stated: "The Plastipore TORP was enveloped by, and fitted with, an interlacing network of fibrous tissue without inflammatory cell infiltration or foreign-body giant cells."1 (p802)

After this article was printed, I received a request from Dr Palva for the actual slides from that specimen, because he doubted the specimen was really free of giant cells.

Accordingly I wrote to him that I had, once again, reviewed the slides and found "no typical foreign body giant cells in any of the sections, but, in a few, there are clumps of cells with nuclei in each that resemble foreignbody giant cells."

I did agree to send the sections to Dr Palva for his inspection, and so instructed my Japanese laboratory associate, who misunderstood my

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