Carcinoma sigmoid colon with obstruction Management includes

- Obstruction due to rectosigmoid growth with patient being severely ill--Hamann's operation can be done to save the life of the patient wherein distal stump after removal of the growth is closed, proximal colon is brought out as end colostomy.Resection of the gangrenous sigmoid done; proximal cut is brought out as end colostomy: distal end closed - Hamann's operation. Later in 6-12 weeks colorectal anastomosis is maintained. ref:SRB&;s manual of surgery,ed 3,pg no 856