Pros: 1  Produces high-quality stitches through multiple layers of fabric. 2  Easy buttonhole set-up. 3  Easy to thread the machine and wind the bobbin. 4  Easy to change the needle and presser foot. 5  Simple, straightforward sewing machine. 6  Very easy-to-use dials.
Beermann E, Lagasy M, van Houhuys J, et al: Familial varices of the colon. Nikolopoulos N, Xynos E, Datsakis K, et al: Varicosis coli totalis: report of a case of idiopathic aetiology. Iredale J, Ridings P, McGinn F, et al: Familial and idiopathic colonic varices: an unusual cause of lower gastrointestinal haemorrhage.
Portal hypertension is associated with splenomegaly and hence hypersplenism and the development of collateral vessels lining the esophagus and stomach, producing varices. Esophageal varices and, less often, gastric varices are particularly prone to bleeding, which is often massive.