It arises from epithelial residues in periodontal ligament as a result of inflammation. Senior lecturer, department of oral pathology, rajarajeshwari dental college, bangalore. It originates from epithelial residues in periodontal ligaments. The peripheral extraosseous presentations are rare. Radicular cysts are a pathologic cavity partially or completely lined by nonkeratinized stratified squamous epithelium in an. In conclusion, radicular cyst should be considered in the differential diagnosis of large maxillary sinus lesions and never be discarded until histopathology is available. The cyst usually goes unnoticed because of its painless. The radiographic appearance and clinical history are important to the diagnosis of radicular cyst as dentigerous cysts can become inflamed as well and mimic a. Radiographically, periapical granulomas cannot be differentiated from periapical cysts if the lesion is smaller than 5 mm. Radicular cyst is the most common odontogenic cystic lesion of inflammatory origin. Pdf histopathological study of radicular cysts diagnosed. Classification radicular cyst residual cyst dentigerous cyst follicular primordial cyst lateral periodontal cyst odontogenic keratocyst calcifying odontogenic cyst gorlin cyst. Odontogenic cysts are those which arise from the epithelium associated with the development of teeth. Radicular cyst of primary tooth associated with maxillary sinus.
Chronic periapical periodontitis, histopathology, periapical lesion, radicular cyst introduction the microbiological factors and the host defense mechanism interact, destroying are large amount of periapical tissue, giving rise to the dissimilar types of periapical lesion. This article covers odontogenic tumours and cysts, which is a subset of oral pathology and can be grouped under the heading of head and neck pathology the general topic of head and neck pathology is covered in the head and neck pathology and head and neck cytopathology articles the vast majority of oral malignancies are squamous cell carcinoma. Most are harmless, but they should be removed when possible because they occasionally may change into malignant growths, become infected, or obstruct a gland. Apr 08, 2012 nonodontogenic cyst defination the epithelial lining is derived from sources other than the toothforming organ 5. These cysts are therefore centered on the apex of the tooth and tend to be small, most radicular cyst. Jun 07, 20 causes when the necrotic tooth is extracted but the cyst lining isincompletely removed, a residual cyst may from months toyears after the develop initial extirpation if either or the aresidual cyst original periapical cyst remainsuntreated, continued growth can cause significant boneresorption and weakening of the mandible or maxilla. Radicular cyst rc is also known as periapical cysts, dental cysts, or apical periodontal. The present report describes the case of a radicular cyst of anterior.
Pdf the aim of this study was to investigate the histopathological features of radicular cysts rcs diagnosed in a brazilian population. It shows a stratified squamous epithelium and fibrous capsule with mixed mostly acute inflammation. Histologic or microscopic features of dentigerous cyst. Radicular periapical cysts are pathological cavities, lined with epithelium, and contain fluid or semi. A cyst is a cavity in tissue enclosed within the skin epithelium which may consist of several chambers and which is usually filled with fluid or pulp. The epithelium is attached at the margins of the apical foramen in such a way that the cystic lumen is open to the affected root canal. Surgical removal of a radicular cyst in a thirteen year old. May 17, 2018 histopathological analysis of the 11 periapical lesions included in the study revealed six granulomas and five cysts. Radicular cysts are usually asymptomatic unless they become infected.
Dental caries or trauma cause chronic inflammation which eventually forms a periapical inflammation. Purpose of this report is to present a case of a child with a radicular. May 02, 2014 one form is a true radicular cyst which contains a closed cavity entirely lined by the epithelium and the other form of a radicular cyst is a periapical pocket cyst also known as bay cyst. A dentigerous cyst is defined as an epithelium lined pathological cavity arising from the enamel organ due to an alteration in the reduced enamel epithelium and enclosing the crown of an unerupted tooth at the cementoenamel junction.
It is the second most common odontogenic cyst, after radicular cyst. Clinicopathological analysis of 232 radicular cysts of the jawbone in. The peripheral presentation of residual cyst has never been reported in the literature. Initially, the cyst swells to a round hard protrusion, but later on the body resorbs some of the cyst wall, leaving a softer accumulation of fluid underneath the mucous membrane. The radicular cyst is the most common inflammatory cyst in the jaw that is of odontogenic origin. The owner was notified and surgery set for two weeks to remove. Radicular cysts are one of the most common odontogenic cyst of the jaws. Pdf histopathological study of radicular cysts diagnosed in a. Dec 22, 2016 radicular or periapical cyst, is the most common inflammatory cyst arising due to the proliferation of the epithelial rests in the periodontal ligament. Histopathological study of radicular cysts diagnosed in a. Dentigerous cyst follicular cyst 20% of odontogenic cysts. Only few cases of radicular cysts involving large part of maxilla have been previously reported in literature 1619.
Radicular or periapical cyst, is the most common inflammatory cyst arising due to the proliferation of the epithelial rests in the periodontal ligament. Histopathological features are consistent with that of a radicular cyst, however, as the source of infection the tooth has been removed, they appear less inflammatory. Periapical cysts begin as asymptomatic and progress slowly. The cyst enlarges by accumulation of fluid between the proliferating reduced enamel epithelium and the crown.
Histopathological study of radicular cysts diagnosed in a brazilian. This article covers odontogenic tumours and cysts, which is a subset of oral pathology and can be grouped under the heading of head and neck pathology. Radicular cyst definition of radicular cyst by medical. Maxillary anterior teeth show the highest incidence. Surgical removal of a radicular cyst in a thirteen year. It is inflammatory in nature and found mostly in relation to a nonvital tooth. It arises from epithelial residues in the periodontal ligament as a result of inflammation. These cysts are therefore centered on the apex of the tooth and tend to be small, most histopathology. Some investigators have noted a greater tendency for periapical cysts to be larger, to cause root. Radicular and residual cyst radicular cysts are the most common jaw cyst comprising about 60% of all odontogenic cysts. Radicular cyst international journal of applied dental sciences. The radicular cyst is the most common cyst, found most frequently in the third and fourth decades of life and in males rather than females.
Radicular cysts are the most common inflammatory odontogenic cystic lesions. Subsequent infection of the cyst causes swelling and pain. The radiographic appearance and clinical history are important to the diagnosis of radicular cyst as dentigerous cysts can become inflamed as well and mimic a radicular cyst histologically. Differentiation of periapical granulomas and cysts by using. One form is a true radicular cyst which contains a closed cavity entirely lined by the epithelium and the other form of a radicular cyst is a periapical pocket cyst also known as bay cyst. The owner was notified and surgery set for two weeks to remove the remainder of the cyst and its components. Histopathological study of radicular cysts diagnosed in a brazilian population article pdf available in brazilian dental journal 226. A radicular cyst is a cyst which has developed from embryonic tissue remains, usually due to a dentogenous inflammational stimulus. The peripheral extraosseous presentations are rare 2 and. The vast majority of oral malignancies are squamous cell carcinoma.
A periapical cyst, also known as a radicular cyst, is inflammatory, develops from a periapical granuloma, and is associated with the root of a tooth. The radicular cyst was the most prevalent in our study 4868. Radicular cyst is one of the most common odontogenic cystic lesions found in the jaws. The term residual cyst is used most often for retained radicular cyst from teeth that has been removed. Pdf histopathological study of radicular cysts diagnosed in. Unusually large radicular cyst of maxilla require stepwise clinical, radiological and laboratory evaluation to reach a definitive diagnosis. Periapical cysts are typically seen in middle to older age 3 rd to 6 th decades 2 pathology. A big shout out and a ton of appreciation to rohan raj for supporting us on patreon this month. It usually presents at a later stage in life because the formation of the cyst is the last step in the progression of inflammatory events after a periapical infection. Seventythree cases of rcs, from a total of 1480 biopsies diagnosed between 2001 and 2008 at the laboratory of oral surgical pathology of the dental school of the federal university of bahia were investigated regarding their histopathological features. The results of histopathological features assessed in the epithelial lining of okcs and radicular cysts are as under.
The results of histopathological features assessed in the epithelial lining of. Initially this lesion is asymptomatic, other than a clinically missing tooth. It is usually associated with a tooth having a necrozed pulp. The cyst is believed to be originated from the epithelial cell rests of malassez. The inflammation usually follows the death of dental pulp. The general topic of head and neck pathology is covered in the head and neck pathology and head and neck cytopathology articles.
This proliferation is a result of the inflammation induced by bacteria and necrotic products seeping into the periapex through the infected pulp. Diagnosing the most common odontogenic cystic and osseous. Radiographically, they appear as a round or oval unilocular radiolucency but, in contrast to a radicular cyst, there is no obvious tooth involvement figure 4. Radicular cyst also known as periapical cyst, periodontal cyst, root end cyst or dental cyst, originates from epithelial cell rests of malassez in periodontal ligament as a result of inflammation due to pulp necrosis or trauma. Radicular cyst or periapical cyst linkedin slideshare. The sites of okcs and radicular cysts are given in table 1.
Interestingly the reported cases of large radicular cyst involve maxilla and very often extended to occupy large portions of the maxillary sinus. One cyst was a keratocyst, all other cysts were radicular cysts. This is followed by central degeneration and necrosis to produce a. However, those arising from primary teeth are rare. Periapical cysts result from infection of the tooth, which spreads to the apex and into the adjacent bone. The aim of this study was to investigate the histopathological features of radicular cysts rcs diagnosed in a brazilian population. Review article endodontic management of a periapical cyst. This paper presents a case report of a patient with radicular cyst.
Histopathological analysis of the 11 periapical lesions included in the study revealed six granulomas and five cysts. Radicular cysts are located at the root tips of teeth in which the dental pulp is necrotic, mostly due to dental caries see also. Conservative approach in the management of radicular cyst in. Residual cysts are among most common cysts of the jaws. Inflammatory dentigerous cyst mimicking a periapical cyst priya gupta 1, manveen kaur jawanda 1, ravi narula 2, jasheena singh 3 1 department of oral and maxillofacial pathology, luxmi bai institute of dental sciences and hospital, patiala, punjab, india 2 department of oral and maxillofacial surgery, guru nanak dev dental college, sunam, punjab, india 3 department of pedodontics, maharana. The treatment involves extraction of the affected tooth or root canal treatment if the tooth can be preserved. This leads to apical periodontitis, granuloma formation and eventual cyst formation.
Oral pathology periapical cyst radicular cyst apical periodontal cyst types of radicular cyst periapical cyst 1. Conservative approach in the management of radicular cyst. Radicular cyst should be differentiated from other similar palatal swellings by locating associated discolored and nonvital tooth. Simply a periapical cyst that remains or recurs after the devitalized tooth is removed. Inflammatory dentigerous cyst mimicking a periapical cyst. It is also known as periapical cyst, apical periodontal cyst, root end cyst or dental cyst. The periapical cyst also termed radicular cyst, and to publishing standards pdf a lesser extent dental cyst is the most common odontogenic. A radicular cyst is a radiolucent lesion at the root tip of a decayed tooth. However, little has been described about the histopathological features and variations of.
The lesion is seen mostly in the males during their third and fifth decades of life. Cyst formation in the jaws requires three elements. Radicular cyst is the most common inflammatory jaw cystic lesion. Radicular cysts are a pathologic cavity partially or. Uncommon synchronous histopathological features of a radicular. In later stages the cyst causes bony expansion and displacement of teeth and pain if.
Lateral radicular cyst paradental cyst same as periapical cyst except it involves lateral root surface of devitalized tooth. It is also known as periapical cyst, apical periodontal cyst, root end cyst, or dental cyst. Radicular cyst of primary tooth associated with maxillary. Dentigerous cyst is a developmental odontogenic cyst that is formed by expansion of dental follicle and therefore always attached to the neck of an impacted or unerupted tooth. Preliminary data suggest that selective submission is a common practice. The location of all odontogenic cysts is usually intraosseous. Radicular cyst, a case report and its histopathological analysis.347 410 1562 421 589 985 1153 1262 908 932 225 584 764 413 1344 1065 411 338 1110 1347 1294 924 830 900 1373 902 1252 75 456 1429 280 160 1478 582 338 1178