Segal I, Tim L O, Rubin A, Solomon A, Simon G, Lawson H H, Jacobson M
S Afr Med J. 1979 Apr 7;55(15):596-9.
Crohn's ileocolitis manifested in 2 Black patients with the exceptionally rare complications of pyoderma gangrenosum and sclerosing cholangitis. It is emphasized that Crohn's disease is very rare in the Black population of sub-Saharan Africa, and, as far as we are aware, no patient with large-bowel involvement has hitherto been reported.
