Oral and maxillofacial cysts are not uncommon in this population, the majority being the oc, dentigerous cyst, followed by the non odontogenic cyst, nasopalatine cyst. Pdf although pain of dental origin is the most common orofacial pain, other nonodontogenic pains can affect the orofacial region and occasionally. The most significant change affecting odontogenic cysts was the reincorporation of odontogenic keratocyst and calcifying odontogenic cyst in the cyst classification when they had been classified in 2005 as neoplasms. Surgical management of dentigerous cyst and keratocystic. Odontogenic and non odontogenic developmental cysts dentigerous cyst odontogenic keratocyst lateral periodontal and botyroid odontogenic cyst gingival cyst glandular odontogenic cyst calcifying odontogenic cyst orthokeratinised odontogenic cyst nasopalatine duct cyst. Daughter cysts and nests of cystic epithelia are found outside the primary lesion. Pdf nonodontogenic hard palate cysts with special reference to. The aim of this study was to determine the age, gender, and sites of different types of odontogenic cysts ocs and non ocs nocs seen in eastern anatolian population in turkey. The calcifying odontogenic cyst coc is an uncommon odontogenic lesion with a somewhat wide spectrum of histologic features. Intrabony cysts are most common in the jaws, because the mandible and maxilla are the only bones with epithelial. Because the lesion sometimes appears as a solid noncystic lesion, referred to as odontogenic ghost cell tumor, it is no longer classified as one of the odontogenic cysts. On imaging, they usually present as a welldefined and unilocular radiolucency surrounding the crown of an unerupted or impacted tooth within the mandible. Odontogenic cysts are among the most common lesions to affect the oral and maxillofacial regions. All other inflammatory cysts are intraosseous except salivary cysts and parasitic cysts 58.
Advances in assessing the volume of odontogenic cysts and. Predisposing factors for these infections include conditions that make the skin more fragile or local host defenses less effective, such as obesity, previous cutaneous cuts, venous insufficiency, lymphatic obstruction or other causes. Nasolabial cyst is a rare nonodontogenic, softtissue lesion, embryonic in origin occurring in the nasolabial region and comprising approximately 0. Odontogenic cysts, nonodontogenic cysts j craniofac surg 2011. These lesions are almost three times frequent in males than in females 6. Nelson, in head and neck pathology third edition, 2019. Odontogenic and nonodontogenic tumors of the jaws are a relatively rare and heterogeneous group of benign and malignant neoplasms, hamartomas, and other bonerelated lesions that demonstrate great variability in etiology, biologic behavior, and clinical significance. Primary intraosseous carcinoma of the jaws pioscc might arise from odontogenic epithelium, more commonly from a previous odontogenic cyst. The glandular odontogenic cyst the glandular odontogenic cyst is a unique lesion. Has many features of odontogenic tumor, therefore it is placed in the category of tumors in the latest who classification of odontogenic cysts and tumors. When it becomes clear that the cause is non odontogenic, a different path of inquiry is required.
Surgical management of dentigerous cyst and keratocystic odontogenic tumor in children. Calcifying odontogenic cyst odontogenic keratocyst okc an okc is a non inflammatory odontogenic cyst that arises from the dental lamina. Nonodontogenic hard palate cysts with special reference to. Asymptomatic, welldefined ovalheart shaped radiolucency usually at max midline bw centrals. The lumen of the cyst often contains cheesy material and has a parakeratinized lining epithelium 1. Pdf epidemiologic study of odontogenic and nonodontogenic. Histopathological subtypes, nonodontogenic cyst, odontogenic cyst how to cite this article.
Odontogenic cyst are a group of jaw cysts that are formed from tissues involved in odontogenesis tooth development. The patients complaint of toothbased pain may be misleading. Odontogenic and non odontogenic tumors of the jaws are a relatively rare and heterogeneous group of benign and malignant neoplasms, hamartomas, and other bonerelated lesions that demonstrate great variability in etiology, biologic behavior, and clinical significance. The cysts are male predominant and occur 10 to 15 years earlier compared with those in the white population.
At the time of writing 2016, it is still the most widely used classification system although a. Any information contained in this pdf file is automatically generated from. Dentigerous cyst and odontoma usually surround the crown of a tooth 2, 3. Although cysts are common in the jaws, most are radicular cysts of in. However, the site the patient feels pain may not be the actual source of pain. Odontogenic cyst and non odontogenic cyst free download as powerpoint presentation.
Noninvasive implant placement subsequent to a large. Most odontogenic kerato cysts are found during the 2nd to 4th decades of life, although they can occur at any age. In the 2005 edition, the calcifying odontogenic cyst coc was renamed as calcifying cystic odontogenic tumour and was clearly defined as a bbenign cystic neoplasm 3. Calcifying odontogenic epithelial cyst gorlin the calcifying odontogenic cyst has many features of an odontogenic cyst and tumor epithelial proliferation and continuous growth. Comparison of components of odontogenic cyst fluids. The frequency with which dentigerous cysts develop has been calculated at 1. The world health organization classification of odontogenic lesions. The 2005 who histological classification of odontogenic tumors lays out a classification system for neoplasms and other tumors related to the odontogenic apparatus. Malignant transformation of an odontogenic cyst in a.
Odontogenic and non odontogenic developmental cysts. Nonodontogenic oral and maxillofacial infections, a textbook of advanced oral and maxillofacial surgery, mohammad hosein kalantar motamedi, intechopen, doi. The following data were collected from the clinical records and histopathology reports of the department of oral and maxillofacial surgery and the department of oral pathology, ataturk. Some are inflammatory while others are developmental. Odontogenic and nonodontogenic cysts chapter 7 pediatric. Non odontogenic jaw cysts are cysts arising from epithelial remnants of embryonic ducts left behind after embryonal facial and jaw development. Generally is located between upper lateral incisor and canine. In diagnostically challenging cases, the astute diagnostician recognizes when it is wise to reach out to. Chapter 21 odontogenic and non odontogenic tumors of the jaws introduction. May 25, 2016 the most important lesson from 83,000 brain scans daniel amen tedxorangecoast duration. The maximum prevalence is between 40 and 60 years of age. Also called as odontogenic ghost cell cyst or gorlin cyst.
Odontogenic cysts and tumors develop during or after the formation of teeth 1. A dentigerous cyst, the most common odontogenic cyst, lacks the basal palisading and corrugated parakeratinized surface. The 1992 world health organization who classification of odontogenic cysts is widely recognized and categorizes them as developmental or inflammatory in nature. Odontogenic medical definition merriamwebster medical. This article aims to discuss the clinical features, radiological assessment, histopathology and management of a variety of odontogenic cysts. Non odontogenic cysts may arise without or with inflammatory stimuli and two examples of these are nasolabial and nasopalatine duct cysts. Feb 28, 2017 the most controversial decision in the 2017 classification was to move keratocystic odontogenic tumor back into the cyst category as odontogenic keratocyst okc. Traumatic inflammatory non odontogenic cysts the most common cause leading to the such cysts are physical or mechanical trauma. Osteosarcomas occur more commonly in the appendicular than axial skeleton. Malignant transformation of an odontogenic cyst in a period. With the reclassification of keratocystic odontogenic tumor in 2005 as an odontogenic tumor, there were 8129 odontogenic tumors reported with 3001 36. It is accounting for between 3 and 12% of operated cysts of the. Chapter 21 odontogenic and nonodontogenic tumors of the jaws introduction. In which parts of the incisive canal does this cyst form and where is it most frequent.
Intact, non inflamed cyst lined by thin 24 cells thick stratified squamous epithelium. Non odontogenic hard palate cysts with special reference to globulomaxillary cyst plastic and aesthetic research is an open acccess journal, which publishes articles on technical and clinical studies related to plastic and aesthetic surgery. The lesion usually occurs as a slowly enlarging, frequently painless and non tender swelling of the. Most of time it is an asymptomatic deformity of face and rarely can. Mustoe, primary intraosseous carcinoma of the mandible with probable origin in an odontogenic cyst, oral surgery oral medicine and oral pathology, vol. An example of neoplasm that needs to be excuded in this area is minor salivary gland tumor. Lateral periodontal cyst and botryoid odontogenic cyst. Nonodontogenic cysts are also developmental cysts and include nasopalatine and nasoalveolar cysts, amongst others.
An abnormal membranous sac in the body containing a gaseous, liquid, or semisolid substance. Mar 04, 2018 inflammatory non odontogenic cysts 57. On the other hand, keratocystic odontogenic tumor kcot, formerly. Odontogenic cysts are those which arise from the epithelium associated with the development of teeth. Conservative management of dentigerous cysts in children. Mar 21, 2017 eruption cyst true soft cyst an odontogenic cyst with the histologic feature of a dentigerous cyst that surrounds a tooth crown that has erupted through bone but not soft tissue and is clinically visible as a soft fluctuant mass on the alveolar ridges. The aim of this case is to illustrate that the clinician should consider that an apparent benign dentigerous cyst can suffer malignant transformation and that all material removed from a patient must be evaluated histologically. Nonodontogenic cysts of the oral and maxillofacial region ufrn. Tooth andor its supporting structures are often source of pain. Dentigerous cysts, also called follicular cysts, are slow growing benign and non inflammatory odontogenic cysts that are thought to be developmental in origin. Kilinc a, gundogdu b, saruhan n, yalcin e, ertas u, urvasizoglu g.
Learn vocabulary, terms, and more with flashcards, games, and other study tools. Tooth andor its supporting structures are often source of. The most common odontogenic cyst reported is the radicular cyst. Sep 07, 2015 most patients reporting dental pain have symptoms that are odontogenic. Botryoid odontogenic cyst glandular odontogenic cyst calcifying odontogenic cyst orthokeratinised odontogenic cyst table 1 the epithelial lining origins of odontogenic cysts epithelial residue origin of epithelium cyst rests of malassez epithelial root sheath of hertwig radicularresidual cyst paradental cyst glands of serres dental lamina. They account for 1420% of mandibular cysts and between 15. Nonodontogenic cyst definition of nonodontogenic cyst by. Pdf the world health organization classification of.
As opposed to normal pink or bluish coloration of nasolabial cyst, this cyst is yellow hue in colour. There were additional significant changes since other cysts had not appeared in the who classification since 1992. Cystic and cyst like lesions of the mandible are primarily ellipsoid, radiolucent, and clearly demarcated and may be odontogenic or non odontogenic. Odontogenic and nonodontogenic pain pocket dentistry. Dentigerous cysts that occur in the anterior maxilla can simulate an adenomatoid odontogenic tumor cyst radiographically. The odontogenic keratocyst thus appeared in both the 1st 1971 and 2nd 1992 editions of the who classifications. An eruption cyst or eruption hematoma is in fact a dentigerous cyst occuring in. Palatal cyst, globulomaxillary cyst, nonodontogenic, magnetic resonance imaging, computerized tomography palatal cysts are.
Non odontogenic fissural cysts arise from epithelial remnants of embryonic ducts left. The source of epithelium is from the enamel organ, the reduced enamel epithelium, the cell rests of malassez or the remnants of the dental lamina. Tumors of the oral cavity can be classified as odontogenic tumors neoplasia arising from toothforming tissues, non odontogenic tumors, or non neoplastic lesions. Epidemiologic study of odontogenic and nonodontogenic cysts in. Odontogenic cyst and non odontogenic cyst epithelium. Extramedullary plasmacytomas arise outside of bone, are typically mucocutaneous in location and occur most commonly in the mouth, on the feet or trunk and in the ears. Odontogenic cyst and non odontogenic cyst epithelium anatomy. It originates from developmental odontogenic epithelial tissue. Nonodontogenic oral and maxillofacial infections intechopen. Takeda, intraosseous squamous cell carcinoma of the maxilla.
Examples of non odontogenic cysts include the nasopalatine duct cyst, nasolabial duct cyst, the median palatal cyst and the epidermoid cyst. Dentigerous cysts are the second most common cystic lesion to affect the mandibular. Odontogenic cysts are closed sacs, and have a distinct membrane derived from rests of odontogenic epithelium. Odontogenic and non odontogenic cysts flashcards quizlet. Nov 20, 2014 we strongly recommend including the traditional odontogenic cysts because there are several entities currently excluded that should be considered in the histological differential diagnosis of odontogenic tumors, such as glandular odontogenic cyst, botryoid odontogenic cyst, and pure cystic variants of the whos calcifying cystic. Roentgendiagnostic differentiation of nonodontogenic. Although patients may perceive that pain originates in a specific tooth, the pain may actually be referred from non dental structures. Cellulitis of non odontogenic origin is most commonly caused by. It is considered as a grow cyst because of its non odontogenic origin from epithelial remnants of facial fusion process. New tumour entities in the 4th edition of the world health. Npdcs are the most common non odontogenic cysts of the mouth, representing up to 1% of all maxillary cysts 5. Radicular cysts make around 5268% of all cysts affecting the human jaws. Most are harmless, but they should be removed when possible because they occasionally may change into malignant growths, become infected, or obstruct a gland. Pdf nasolabial cysta case report of rare nonodontogenic.
Of note, a dentigerous cyst is, by definition, always associated with an unerupted tooth. Odontogenic cystsa descriptive clinicopathological study. Define nasopalatine duct cyst incisive canal cyst a developmental cyst thought to arise from remnants of the nasopalatine canal of the embryo. Another possible cyst of non odontogenic origin is epidermoid or epidermal inclusion cyst. This inflammatory cyst originated from a reaction to dental pulp necrosis dentigerous cyst, the second most prevalent cyst, is associated with the crown of non erupted tooth. The orofacial region is the most frequent site for patients seeking medical attention for pain 1, 2 with 12. Update from the 4th edition of the world health organization. An odontogenic cyst is a pathological, epitheliallined cavity containing fluid or semifluid which arises from the epithelial remnants of tooth formation. Ihe membranes of these cysts, like those of ilie odonto genic cysts, are lined with stratified squamous epithelium. Periapical cyst, the most common odontogenic cyst, develops around the apex of the tooth. Hyperchromatic, cuboidal or columnar basal cell layer 3. The consensus panel acknowledged that there was some evidence to reclassify the cyst in 2005, but we did not believe the evidence was sufficient at the time to justify the. The epithelium in okc appears to have innate growth potential similar to some benign tumors.
Non odontogenic cystic and solid central lesions of the jaw hone\ whose xray appearance is occasionally capable of simulating odontogenic cysts and tumours will now be discussed. In dogs, the non odontogenic tumors include the three most common malignant oral neoplasms. Pdf although pain of dental origin is the most common orofacial pain, other non odontogenic pains can affect the orofacial region and occasionally. Who histological classification of odontogenic and. Since odontogenic cysts incorporate an important part of the oral and maxillofacial lesions, diagnosing them before surgery will help us to determine surgical procedures, conservative or radical for preventing the future recurrence of the cyst. Radicular cyst is the most common up to two thirds of all cysts of the jaws. Other odontogenic cysts must be considered in the differential diagnosis. Petr schutz and hussein hassan hamed ibrahim june 26th 20. Nasopalatine duct cyst cyst of the incisal canal incisive papilla cyst is a non odontogenic developmental cyst located in the incisive canal or in the anterior palatine papilla and develops from the embryonic ducts of scarpa and stenson. It also highlights the reclassification of odontogenic keratocysts to keratocystic odontogenic tumours. On the other hand, nocs are a diverse group of lesions which develop from epithelium of nonodontogenic origin and mainly include palatal cyst. Calcifying odontogenic cyst calcifying ghost cell odontogenic cyst. Roentgendiagnostic differentiation of nonodontogenic cyst.