periapical cyst


Also found in: Dictionary, Thesaurus, Medical, Wikipedia.
Related to periapical cyst: periapical granuloma

periapical cyst

[¦per·ē′ap·ə·kəl ′sist]
(medicine)
Mentioned in ?
References in periodicals archive ?
Periapical cysts can also involve deciduous teeth and are most frequently associated with deciduous molar.
Periapical cyst formation seems to be induced by an acute inflammatory reaction, (4) although mononuclear cells are commonly found in the inflammatory infiltrate.
Residual periapical cyst was included in the entity of periapical cyst (Figure 1).
A clinical diagnosis of periapical cyst was made and lesion was enucleated along with curettage and sent for biopsy.
Incidence of periapical cysts inrelation to the root canal.
Unilocular OKCs can be located periapically, simulating periapical cysts.
78 Moreover CT examinations at axial sagittal and coronal planes clearly show the intrusion ranges of periapical cysts into maxillary sinus and the injuries of anterolateral wall which provide valuable evidence for surgeries by helping determine the pathological changes beforehand.
Although unnecessary for diagnosis, there is a high Ki-67 and p53 expression in the neoplastic cells, ft is important to separate KCOTs from dentigerous cysts, orthokeratinized odontogenic cysts, and periapical cysts, as these other entities do not have the same potential for recurrence or syndrome association.
The differential diagnosis includes nasolacrimal duct cysts, periapical cysts and dermoid or epidermoid cysts of the oral cavity.
For example, dentigerous and periapical cysts (but not, for example, odontogenic keratocysts) also frequently coexpress CK7 and CK19 but are negative for CK20.
Squamous odontogenic tumor-like proliferations in periapical cysts.