This section is from the book "A Manual Of Pathological Anatomy", by Carl Rokitansky, William Edward Swaine. Also available from Amazon: A Manual of Pathological Anatomy.
Although varicosity of the upper extremities, and of the head and neck, is less frequent than the above species, we yet occasionally observe this condition very highly developed in the lips. It is moreover of rare occurrence in the intestines, mesentery, stomach, and oesophagus. It must, however, be observed that this remark applies only to true varicosity, since a uniform dilatation of the veins is frequently found to exist in a very highly developed condition in these structures in various affections, such as heart-diseases, impermeability of the liver, displacement of the intestines, dilatation and hypertrophy of the stomach, etc. We are, however, able, from personal experience, to confirm the observations of others, who have noticed true varices on the oesophagus, the stomach, and intestines, and even beneath the mucous membrane, which have terminated in laceration and hemorrhage.
 
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