Table 2.

Further investigations.

Investigation	Date done	Results
Echocardiogram	12 Feb 2011	Mild to moderate RVH enlargement. No evidence of an intracardiac mass
Electrocardiogram	11 Feb 2011	Left ventricular hypertrophy with non-specific T-wave abnormalities
Abdominal ultrasound	18 Feb 2011	Features suggestive of early renal parenchymal disease
Arterial Doppler	10 Mar 2011	No occlusion of large or medium sized vessels. Peripheral small vessel occlusive disease is not entirely excluded
Histology (right great and second toes)		Ischemic necrosis (gangrene), intimal hyperplasia
Histology (colon)		All biopsies show similar features namely those of chronic active colitis. There is a polymorph infiltration with surface epithelial and crypt damage. No dysplastic changes are evident