Q) Regarding colonic volvulus all are true except
a) Sigmoid volvulus without gangrene – colonoscopic decompression is the treatment of choice
b) Caecal bascule has high chance of gangrene due to torsion of mesentary
c) Splenic flexure volvulus has better prognosis than transverse colon volvulus
d) Recurrence rate after detorsion of cecal volvulus is 10-20%