The average length of the appendix, as stated by different authors, is from 8 to 11.5 cm (3 to 4½ in.), with a mean of 9.2 cm. (Kelly, Ribbert and Berry place it at about 8.3 cm., 3¼ in.), or between 3 and 3½ inches. Abnormally long appendices have been noted by J. D. Blake (24 cm.—9⅓ in.), Lafforge (24 cm.—9⅓ in.), Luschka (23 cm.—9 in.) and Lenzmann (22 cm.—8⅔ in.). Below we report a case in which we removed an appendix 20.9 cm. (8¼ in.) in length, about two and one-half times the normal length.
—The patient was a mulatto woman, aged 31 years, having what we diagnosed clinically as a myoma of the uterus and an ovarian cyst (left).
—On Dec. 3, 1908, under ether anesthesia, a pedunculated myoma 13.5 by 13 by 13 cm. (5 1/5 by 5 by 5 in.)
COLE HP, WINTHROP GJ. ABNORMALLY LONG VERMIFORM APPENDIX. JAMA. 1909;LIII(14):1100. doi:10.1001/jama.1909.92550140030003b
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