Graeme Clark Collection

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    Posterior choanae and choanal polyps
    Clark, Graeme M. ; Berci, George ( 1968)
    In the literature there are reports of nasal, antrochoanal, ethmochoanal and sphenochoanal polyps. A search, however has not revealed reports of polyps actually arising from the choanae. A report and photograph of a polyp arising from the posterior choana is presented in this paper and it seems logical to refer to this as a choanal polyp.