Which of the following doesn't present with bleeding per rectum?
Sigmoid volvulus presents with features of lower intestinal obstruction not bleeding per rectum. Volvulus refers to torsion of a segment of the alimentary tract, which often leads to bowel obstruction. The most common sites of volvulus are the sigmoid colon and cecum.
Ca rectum
Sigmoid volvulus
Inflammation of Meckel's diveiculum
Enteric fever