Table 1.

A summary of 17 reported cases on primary colonic and rectal angiosarcoma since 1949.

Author	Patient Age, Gender	Tumour size (max. diameter in cm.)	Tumour location	Clinical presentation	Treatment	Outcome
Steiner and Palmer9	46, Female	3.5	Sigmoid	Abdominal pain, palpable mass and obstruction	Sigmoidectomy	Alive 21 months postoperatively with uterine recurrence
Ormos and Sin22	34, Female	7	Cecum	Abdominal pain, palpable mass, weight loss	Right hemicolectomy with adjuvant radiotherapy	Died 23 months postoperatively with liver metastases
Saito et al.23	72, Male	10	Descending colon	Abdominal pain, rectal bleeding	Left colectomy	Death from disseminated disease 1 month postoperatively
Taxy and Battifora24	57, Female	6	Cecum	N/A	Right hemicolectomy	Death from disseminated disease 6 months postoperatively
Lo et al.25	37, Male	2	Rectum	Rectal bleeding	Abdomino-perineal resection	Alive 18 months postoperatively with no recurrence
Smith et al.26	16, Female	5.5	Sigmoid	Abdominal pain, palpable mass, rectal bleeding	Sigmoidectomy	Alive and disease-free 36 months postoperatively
Deleaval et al.27	74, Female	3	Cecum, transverse colon and rectum	Melaena	Palliative care	Died at about 1 month after diagnosis
Hofman et al.28	66, Male	6	Sigmoid	Abdominal pain, rectal bleeding	Sigmoidectomy	Death from disseminated disease 5 months postoperatively
Solheim et al.29	75, Female	NA	Cecum	Systemic upset, weight loss	Right hemicolectomy	Death from disseminated disease 4 months postoperatively
Ben-Izhak et al.12	70, Female	5	Rectum	Rectal bleeding	Surgical resection and adjuvant radiotherapy	Death from persistent haemorrhage 2 months postoperatively
Watanabe et al.30	70, Female	1.7	Sigmoid	Rectal bleeding	Sigmoidectomy	Alive at 2 years follow-up
Rozario and Ravi31	55, Male	2.5	Cecum	Abdominal pain, palpable abdominal mass	Right hemicolectomy	Alive 13 months postoperatively with no recurrence
Brown et al.3	77, Male	4.5	Sigmoid	Rectal bleeding, abdominal mass, weight loss	Sigmoid colectomy	Died 6 months postoperatively with liver metastases
Komorowski et al.32	17, Male	12	Sigmoid	Rectal bleeding, constipation	Sigmoid colectomy	Alive and well 19 months postoperatively
El Chaar and McQuary11	60, Female	N/A	Sigmoid	Abdominal pain	Segmental resection	Died 4 months postoperatively with metastases
Pascual et al.21	85, Female	2	Cecum	Lower gastrointestinal bleeding, haemorrhagic shock	Right hemicolectomy	Alive 24 months postoperatively with no evidence of recurrence
Lo et al.10	21, Female	9	Sigmoid	Abdominal pain and intraperitoneal bleeding	Sigmoid colectomy	Alive 36 months postoperatively with no evidence of recurrence