Literally meaning: “abnormal vessel formation”
Origin: Anc Greek
αγγείο/aggio (=vessel, receptacle) > άγγος/aggos(=tube)
+δυσ-/dys-(=with a negative sense meaning difficult, bad, abnormal, misfortune) > δύω/dyo(=decline) δύση/dysi(=sundown)
πλάσσω/plasso(=create, form, mold)
Phillips first described a vascular abnormality that caused bleeding from the large bowel in a letter to the London Medical Gazette in 1839 but the ternm was coined by finally in 1974 by Galdabini.
Galdabini JJ, Waitman AC, Norellio PA, Greenfield AJ, Ezreleta M. Angiodysplasia of the colon: a cause of rectal bleeding. J Cardiovasc Radiol 1978;1:3-13.
Angiodysplasia is a small vascular malformation beneath the lining of the large intestine. This condition may be asymptomatic, or it may cause gastrointestinal bleeding. Treatment for angiodysplasia may include laser cautery that is performed during colonscopy.