“…Twenty-five cases were presumed to be of the pericollagen type (Randall, 1933;Pearson, Rice, and Dickens, 1941;Golden, 1945;Findley and Adams, 1948;Andrade, 1952;Clausen, cited by Cooley, 1953;Cooley, 1953;Lubarsch, cited by Cooley, 1953;Steinhaus, cited by Cooley, 1953;Golden, 1954;Perloff, 1954;Shnider and Burka, 1955;Intriere and Brown, 1956;Korelitz and Spindell, 1956;Heitzman, Heitzman, and Elliott, 1962;Liske, Chou, and Thompson, 1963;Akbarian and Fenton, 1964;Brody et al, 1964;Massachusetts General Hospital Case Records, 1964;Casad and Bocian, 1965;French, Hall, Parish, and Smith, 1965;Long, Mahony, and Jewell, 1965). Blood vessels were involved in all these 25 cases and the muscularis in 22.…”