In referring to current and to text-book literature1 I find that pseudomyxomatous cysts or retention cysts of the vermiform appendix are themselves a rarity or else are rarely reported. Hartman and Kindley2 have summarized the former reports, thetext-book accounts and the pathology of the condition. The formation of the cyst is, no doubt, due to chronic inflammation, occlusion and obliteration of the lumen of the appendix at or near the proximal end, together with a twisting of the appendix and subsequent adhesions to the surrounding structures. The history of the case which I wish to report coincides exactly with this theory of causation. Only one text-book of pathology out of the many which I consulted made any mention of calcification or calcareous degeneration of cyst walls. This pathologic change is the distinct feature of my case.
—White man, aged 22, railroad brakeman, 6 feet tall, weight 185 pounds, with
OGILVIE HH. PSEUDOMYXOMATOUS CYST OF THE APPENDIX WITH CALCIFICATION OF WALLS: REPORT OF CASE. JAMA. 1915;LXIV(8):657–658. doi:10.1001/jama.1915.02570340029008
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