Odontogenic cyst are a group of jaw cysts that are formed from tissues involved in odontogenesis tooth development. Developmental odontogenic cysts flashcards quizlet. Oct 16, 2010 the peripheral calcifying odontogenic cyst pcoc accounts for less than 25% of the cases of calcifying odontogenic cysts and most commonly appears as a nodule on the gingiva. Odontogenic cysts, nonodontogenic cysts j craniofac surg 2011. Malignant transformation of an odontogenic cyst in a period. Calcifying odontogenic cyst calcifying odontogenic cyst. Asymptomatic, welldefined ovalheart shaped radiolucency usually at max midline bw centrals. If aug 10, 2010 a botryoid odontogenic cyst is considered to be a rare multilocular variant of a lateral periodontal cyst. Literature points out the potential of the development of. 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. It also highlights the reclassification of odontogenic keratocysts to keratocystic odontogenic tumours.
Microscopically, the lesion is similar to the lateral periodontal cyst but exhibits some differences. The presence of mucous cells does not suspend the boc from an odontogenic. Case presentation we report the clinical and histopathologic features of a rare case of botryoid odontogenic cyst found in an edentulous area corresponding to the right lower canine of a 64yearold africanamerican woman. Odontogenic cyst free download as powerpoint presentation. A dentigerous cyst is formed by the hydrostatic force exerted by the accumulation of fluid between reduced enamel epithelium and the tooth crown of unerupted teeth,5. Even small lateral periodontal cysts may be bicystic or polycystic, and with further growth, can take on a botryoid. Introduction odontogenic cysts are probably the most common tissue degrading lesions of the maxillofacial skeleton. Odontogenic cysts are closed sacs, and have a distinct membrane derived from rests of odontogenic epithelium. A clinical diagnosis of bilateral dentigerous cyst dc was rended. Chapter 21 odontogenic and non odontogenic tumors of the jaws introduction. 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. Glandular odontogenic cysts gocs are rare intrabony solitary or multiloculated cysts of odontogenic origin. They may be incidental findings from routine imaging in any office or found through workup for craniofacial surgery or injury. Radiograph of a calcifying odontogenic cyst with well demarcated margins extending from the right to the left premolar regions of the mandible.
Hyperchromatic, cuboidal or columnar basal cell layer 3. Primary intraosseous carcinoma of the jaws pioscc might arise from odontogenic epithelium, more commonly from a previous odontogenic cyst. There are approximately six different types of these cysts. Mar 21, 2017 radiograph of a calcifying odontogenic cyst of the maxilla.
Lateral periodontal cyst lpc is a relatively rare odontogenic pathology, representing about 0. The cysts are male predominant and occur 10 to 15 years earlier compared with those in the white population. Odontogenic cysts and tumors are mandibular and maxillary lesions that occur across all patient demographics across age, sex, race, and social economic status, as altered remnants of dental development. Clinically, the lesion usually appears as a slowgrowing, painless swelling of the jaw. Classification of odontogenic cysts based on the etiology shafer development. 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. May 10, 2020 an odontogenic cyst is a membranebound sac that can be empty or filled with a viscous substance or fluid. In 1987, padayachee and van wyk1 first reported two cases that shared the features of both botryoid odontogenic cysts and central mucoepidermoid tumors and suggested that the term sialoodontogenic cyst be adopted for such. Radicular cyst, dentigerous cyst, surgical cyst management, cystpathology.
Radicular cyst, dentigerous cyst, surgical cyst management, cyst pathology. Odontogenic cysts a clinicopathological study manal a. The following classification system is a modification of the world health organization. In 1987, padayachee and van wyk1 first reported two cases that shared the features of both botryoid odontogenic cysts and central mucoepidermoid tumors and suggested that the term sialo odontogenic cyst be adopted for such lesions to avoid confusion and mismanagement. Radiograph of a calcifying odontogenic cyst of the maxilla. Other odontogenic cysts must be considered in the differential diagnosis. Botryoid odontogenic cyst is a variant of the lateral periodontal cyst. In 1987, padayachee and van wyk1 first reported two cases that shared the features of both botryoid odontogenic cysts and central mucoepidermoid tumors and suggested that the term sialoodontogenic cyst be adopted for such lesions to avoid confusion and mismanagement. At the time of writing 2016, it is still the most widely used classification system although a new revision is due to come up in 2017. Odontogenesis, odontogenic cysts, and odontogenic tumors. Nonodontogenic jaw cysts are cysts arising from epithelial remnants of embryonic ducts left behind after embryonal facial and jaw development. Clinical and histologic features of botryoid odontogenic.
The histopathological examination showed bilateral orthokeratinized odontogenic cyst. Oralsurgery 548 dentalupdate julyaugust 2015 odontogenic cysts an overview abstract. The odontogenic keratocyst okc is classified as a developmental epithelial cyst and comprises approximately 11% of all cysts of the jaws. It is because of this characteristic that a variety of treatment modalities has been suggested for this cyst.
An odontogenic cyst is a membranebound sac that can be empty or filled with a viscous substance or fluid. Non odontogenic jaw cysts are cysts arising from epithelial remnants of embryonic ducts left behind after embryonal facial and jaw development. Glandular odontogenic cyst goc, accepted by who 1992 sialoodontogenic cyst polymorphous odontogenic cyst mucoepidermoid odontogenic cyst epidemiology. Boc is considered to be a variant of a lateral periodontal cyst. Thus, residual cysts occur in sites healed extraction,14,15. An 11yearold female patient presented a swelling in the. Any information contained in this pdf file is automatically generated from digital material submitted to epos by third parties in the form of scientific presentations. Cysts and odontogenic neoplasms 160 jaw cysts general features of jaw cysts to physicians, the term cyst means, simply, a space. These lesions can be seen at opposite ends of a spectrum. Botryoid odontogenic cyst boc is considered to be a polycystic variant of the lateral periodontal cyst lpc as the specimen resembled a cluster of grapes. This article aims to discuss the clinical features, radiological assessment, histopathology and management of a variety of odontogenic cysts.
The paradental cyst is an uncommon inflammatory odontogenic cyst located adhered to the cementoenamel junction of a vital tooth with partial irruption, which. It is more often found in middleaged and older adults, and the teeth more likely affected are mandibular lower canines and premolars. Botryoid odontogenic cyst it is a variant of lateral odontogenic cyst, but that the term botryoid odontogenic cyst should be retained because of the tendency of this variant to recur if inadequately removed. 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. This cystic lesion site is in the periodontal space of vital teeth. Mar 19, 2014 glandular odontogenic cysts gocs are rare intrabony solitary or multiloculated cysts of odontogenic origin.
The orthokeratinised odontogenic cyst is also recognised as an entity rather than being regarded as a variant of the odontogenic keratocyst. Unknown origin but are not the result of inflammatory reaction dentigerous cyst eruption cyst odontogenic keratocyst gingival cyst of new born gingival cyst of the adult lateral periodontal cyst calcifying odontogenic cyst glandular. The lesions listed next to bullets are regarded as variants, or subsets of the main lesions. Odontogenic cysts and tumors are growths that are usually involved in the process of tooth development or odontogenesis. Calcifying odontogenic cysts have a wide age distribution that peaks at 10 to 19 years of age, with a mean age of 36 years. The botryoid odontogenic cyst boc is a developmental cyst of odontogenic epithelial origin considered as a rare multilocular variety of lateral periodontal cyst who 1992. Glandular odontogenic cyst 0 0 0 3 0 0 2 5 residual cyst 0 1 7 6 6 6 2 28 orthokeratinized cyst 0 0 2 1 1 1 2 7 gingival cyst 0 0 1 0 0 0 0 1 eruption cyst 0 1 0 0 0 0 0 1 paradental cyst 0 0 5 0 0 0 0 5 total 29 89 6 85 49 30 16 434. Because cystic sp aces within the jaws have special characteristics, they require a more precise definition. Chapter 21 odontogenic and nonodontogenic tumors of the jaws introduction. They almost exclusively occur in permanent dentition. Nelson, in head and neck pathology third edition, 2019. Botryoid odontogenic cyst boc was originally described in 1973 by weathers and waldron as an intraosseous lesion characterized by a macroscopic and microscopic multilocular growth pattern, resembling a bunch of grapes from the greek word botrios. Intrabony cysts are most common in the jaws, because the mandible and maxilla are the only bones with epithelial. This process is experimental and the keywords may be updated as the learning algorithm improves.
A dentigerous cyst, the most common odontogenic cyst, lacks the basal palisading and corrugated parakeratinized surface. Also called as odontogenic ghost cell cyst or gorlin cyst. Of note, a dentigerous cyst is, by definition, always associated with an unerupted tooth. Odontogenic cysts, tumors, and related jaw lesions preceptor. The membrane of this type of cyst comes from the epithelial cells that produce the teeth. Keratocystic odontogenic tumours can develop during the first three stages of odontogenesis, that is, initial dental lamina development, cap and bell stages of enamel organ development, and maturation of epithelial and mesenchymal components. Dentistry 204 oral pathology 53 cysts of the oral region odontogenic cysts definition of a cyst a pathological cavity lined by epithelium and filled with a fluid, or a semisolid material. These cysts are closed sacs that may contain air, fluids, or semisolid materials enclosed in a distinct membrane that is usually a biproduct of odontogenic epithelium. Histologically, it bears a resemblance to lateral periodontal cyst lpc, botryoid odontogenic cysts bocs, radicular and residual cysts with mucous metaplasia. An 11yearold female patient presented a swelling in the vestibular. Classification of odontogenic cyst linkedin slideshare. Studies about the prevalence of odontogenic cysts have been conducted in several countries and with different ethnic groups 210. Botryoid odontogenic cyst is a rare multilocular variant of lateral periodontal cysts. Often patients with this condition are symptomatic.
Even small lateral periodontal cysts may be bicystic or polycystic, and with further growth, can take on a botryoid grapelike appearance altini and shear, 19922. Since odontogenic cysts incorporate an important part of the oral and maxillofacial. Marsupialization as a treatment option of a large odontogenic. There is a welldemarcated margin and calcifications suggestive of tooth material. Glandular odontogenic cyst sialo odontogenic cyst very rare botryoid odontogenic cyst is a variant of the lateral periodontal cyst. Odontogenic cysts are classified according to the stages of odontogenesis at which they occur. The 2005 who histological classification of odontogenic tumors lays out a classification system for neoplasms and other tumors related to the odontogenic apparatus. Odontogenic tumour dentigerous cyst odontogenic cyst dental lamina radicular cyst these keywords were added by machine and not by the authors. Glandular odontogenic cyst 0 0 0 3 0 0 2 5 residual cyst 0 1 7 6 6 6 2 28. Comparison of components of odontogenic cyst fluids. The most characteristic clinical feature of okc is the high recurrence rate. They are classi fied into periapical or lateral radicular cyst, residual cyst and paradental cyst, which need a source of infection to proliferate.
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