The subject of paraduodenal (internal or mesentericoparietal) hernia is one which has always greatly interested any physician fortunate enough to encounter the condition.
The first report of right paraduodenal hernia was given by Klob in 1861. Nagel in 1923 collected the 29 cases reported up to that time. Exner in 1933 added the 11 authenticated cases reported in the interim, including his own. Novak and Sussman's case was not accepted by Exner, Averbach or us. Since that time 3 further cases have been reported (by Halliwell in 1934, by Bryan in 1935 and by Averbach in 1937), which with the case now being reported bring the total up to 44.
Exner summarized the history of these hernias and segregated them into three periods, as follows:
Since Exner's paper, including this case, 4 cases have been reported; 4 patients have been operated on; 4 patients have recovered and 1 partially correct
BAUMEISTER C, HANCHETT M. RIGHT PARADUODENAL HERNIAA CASE FAVORING THE THEORY OF TREITZ. Arch Surg. 1938;37(2):327-332. doi:10.1001/archsurg.1938.01200020155012