periapical granuloma

per·i·ap·i·cal gran·u·lo·ma

a proliferation of granulation tissue surrounding the apex of a nonvital tooth and arising in response to pulpal necrosis.
Farlex Partner Medical Dictionary © Farlex 2012

per·i·ap·i·cal gran·u·lo·ma

(per'ē-ap'i-kăl gran'yū-lō'mă)
A proliferation of granulation tissue surrounding the apex of a nonvital tooth and arising in response to pulpal necrosis.
Synonym(s): apical granuloma, dental granuloma.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

per·i·ap·i·cal gran·u·lo·ma

(per'ē-ap'i-kăl gran'yū-lō'mă)
Slowly proliferating chronic inflammatory tissue enclosed within a fibrous capsule continuous with periodontal ligament at tooth apex. Often results from necrotic pulp.
Synonym(s): apical granuloma, dental granuloma, root end granuloma.
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
Immune cells in periapical granuloma: morphological and immunohistochemical characterization.
Periapical granuloma, also referred to as chronic apical periodontitis, is a defensive reaction in response to bacterial infection within the pulp chamber which spreads to the root apex [1].
The radiological differential diagnosis of radicular cyst includes periapical granuloma, surgical defect or periapical scar, periapical cemento-osseous dysplasia, Traumatic Bone Cyst.
They are inflammatory in nature and usually arise within a periapical granuloma relating to stimulation resulting from a necrotic tooth [ten Cate 1972; Main 1985; Nair 1998].
(1) Radiographically, a periapical cyst has an imaging appearance similar to that of a periapical granuloma. Although cysts are often larger than granulomas, the size of the lesion cannot be used as a definitive criterion for diagnosis.
Periapical granuloma occurs due to host response to inflammation subsequent to infection of pulp tis sues.
Differential diagnosis with periapical granuloma, radicular cyst or other pathologies is mandatory and necessitates tissue biopsy; as periapical presentations of the lesion may confuse a practitioner.2
Apical Periodontitis: Histological and Morphometric Characterization of Radicular Cysts and Periapical Granulomas
Most periapical inflammatory lesions of endodontic origin are periapical granulomas and root cysts, where these are transitions of the same pathological lesion, one of which may be transformed into the other.