The word polyp refers to any overgrowth of tissue from the surface of mucous membranes. Polyps come in a variety of shapes--round, droplet, and irregular being the most common; and they affect various parts of the body--the intestines, the nasal...

In zoology, a polyp is one of two forms of individuals found in many species of cnidarians. The two are the polyp or hydroid and the medusa. Polyps are approximately cylindrical, elongated on the axis of the body. The aboral end is attached either to...

Abstract A sphenochoanal polyp is a rare lesion that originates in the sphenoid sinus. It occurs most often in adolescents and young adults. We present what to the best of our knowledge is the first reported case of a sphenochoanal polyp associated...

Sinonasal polyps are caused by a multitude of factors. The most common causes are repeated bouts of sinusitis, allergy, vasomotor rhinitis, infectious rhinosinusitis, and asthma. Less often, they occur in association with diabetes mellitus, cystic fibrosis, and aspirin intolerance. They form as a...

Doctors found no cancer in the five small growths removed from President Bush's colon, the White House said Monday.The growths, called polyps, were found during a routine cancer scan that Bush underwent Saturday at the Camp David presidential retreat. Examinations showed the growths were benign...

Japanese Crown Prince Naruhito successfully underwent surgery at a Tokyo hospital Wednesday to remove a benign growth from his small intestine, the doctors treating him said."The surgery was performed smoothly as planned and ended successfully," said palace physician Dr. Ichiro Kanazawa. "The crown prince woke...