polyp (pol'ip) [Gr. polypous, many-footed, octopus, nasal tumor]
A swelling or excrescence (tumor) emanating from a mucous membrane; commonly found in vascular organs such as the nose, uterus, colon, and rectum. Polyps bleed easily; if there is a possibility that they will become malignant, they should be removed surgically. Synonym: polypus
Benign neoplastic tissue originating in the glandular epithelium.
A nasal polyp found near the posterior wall of the maxillary sinus.
Polypoid granulation tissue in the external canal of the ear attached to the tympanic membrane or middle ear structures.
An angioma of the nasal mucous membrane.
A pedunculated tumor attached to the inside of the heart. If situated close to a valve, it may cause blockage of the valve intermittently.
A usually benign growth of the cervical mucosa.
A nasal polyp that extends into the pharynx.
POLYPS: Polyps in the colon, seen endoscopically
An abnormal tissue growth within the lumen of the colon. It may be benign or malignant. See: illustration
A polyp containing fibrin and blood, located in the uterine cavity.
A smooth-surfaced polyp of the oral mucosa, usually developing after trauma to the area. See: acrochordon
A submucous myoma in the uterus, consisting of benign neoplastic tissue from smooth muscle.
1. A polyp made up of loose swollen edematous tissue.
2. A myxoma.
Hopmann polyp See: Hopmann, Carl Melchior
A cystic polyp.
A benign rounded mucosal hamartoma of the large bowel. This type of polyp may be present in large numbers in infants and is commonly associated with rectal bleeding. Synonym: retention polyp
A polyp attached to the vocal cords and extending to the air passageway.
A benign lymphoma of the rectum.
A polyp of soft or jelly-like consistency and exhibiting mucoid degeneration.
A pedunculated polyp of the nasal mucosa. See: illustration
Nasal polyps are the most commonly identified nonmalignant tumor of the nasal passages. They are more commonly identified in men than in women.
The most common symptom of nasal polyposis is obstruction to the flow of air into and out of the nasal passages.
Steroid nasal sprays may improve airflow through the nasal passages. Surgical removal of polyps may occasionally be necessary when medical treatment is unsuccessful.
A polyp composed of retained placental tissue.
retention polypJuvenile polyp.
A pedunculated angioma.
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