Home   Chapter Home   Jobs   Conferences   Fellowships   Books


Colon tumor

Mesenchymal tumors

Hemangioma of colon

Reviewers: Charanjeet Singh, M.D. (see Reviewers page)
Revised: 14 April 2012, last major update April 2012
Copyright: (c) 2003-2012, PathologyOutlines.com, Inc.


● Usually associated with systemic syndromes
● Causes melena, anemia, rarely intussusception or obstruction
● Capillary and cavernous subtypes

Capillary hemangioma

● Small, closely packed capillaries, rarely multiple (Dtsch Med Wochenschr 2004;129:1970)

Cavernous hemangioma

● Localized or diffuse
● Blood filled sinus-like spaces with scant connective tissue, variable smooth muscle
● Often in rectum and associated with mass or bleeding
● May be infiltrative (Rev Gastroenterol Mex 2004;69:94, Rev Esp Enferm Dig 2004;96:346)

Arteriovenous malformation / hemangioma

● Composed of abnormal arteries and veins
● See Vascular ectasia in Colon-nontumor chapter
● Hemangiomas are associated with Klippel-Trenaunay-Weber syndrome (Ann Univ Mariae Curie Sklodowska Med 2004;59:356, somatic and bony hypertrophy, port wine stain, bladder hemangiomas) and blue rubber bleb nevus syndrome (Eur J Pediatr Surg 2003;13:137, skin and visceral hemangiomas)
● Telangiectasias are associated with hereditary hemorrhagic telangiectasia (telangiectasias of skin, mucosa and internal organs), Turnerís syndrome (XO, short stature, webbed neck, streak ovaries and shield chest) and progressive systemic sclerosis
● Cecum hemangiomas are associated with cardiac or vascular disease (Gastroenterology 1976;71:1079)

Micro images

Cavernous hemangioma of colonic serosa

Incidental submucosal hemangioma in sigmoid colectomy

End of Colon tumor > Mesenchymal tumors > Hemangioma of colon

This information is intended for physicians and related personnel, who understand that medical information is often imperfect, and must be interpreted in the context of a patient's clinical data using reasonable medical judgment. This website should not be used as a substitute for the advice of a licensed physician.

All information on this website is protected by copyright of PathologyOutlines.com, Inc. Information from third parties may also be protected by copyright. Please contact us at [email protected] with any questions (click here for other contact information).