Marsupialization as a treatment option of a large odontogenic. They may be incidental findings from routine imaging in any office or found through workup for craniofacial surgery or injury. Other odontogenic cysts must be considered in the differential diagnosis. This process is experimental and the keywords may be updated as the learning algorithm improves. Thus, residual cysts occur in sites healed extraction,14,15. 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. Asymptomatic, welldefined ovalheart shaped radiolucency usually at max midline bw centrals. Glandular odontogenic cysts gocs are rare intrabony solitary or multiloculated cysts of odontogenic origin. Primary intraosseous carcinoma of the jaws pioscc might arise from odontogenic epithelium, more commonly from a previous odontogenic cyst. Oralsurgery 548 dentalupdate julyaugust 2015 odontogenic cysts an overview abstract.
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. 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. Even small lateral periodontal cysts may be bicystic or polycystic, and with further growth, can take on a botryoid. Calcifying odontogenic cyst calcifying odontogenic cyst. Classification of odontogenic cysts based on the etiology shafer development. Literature points out the potential of the development of. Introduction odontogenic cysts are probably the most common tissue degrading lesions of the maxillofacial skeleton. Comparison of components of odontogenic cyst fluids. Odontogenic cysts a clinicopathological study manal a. 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. They are classi fied into periapical or lateral radicular cyst, residual cyst and paradental cyst, which need a source of infection to proliferate. The membrane of this type of cyst comes from the epithelial cells that produce the teeth.
These lesions can be seen at opposite ends of a spectrum. Mar 21, 2017 radiograph of a calcifying odontogenic cyst of the maxilla. 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. Radiograph of a calcifying odontogenic cyst with well demarcated margins extending from the right to the left premolar regions of the mandible. 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. There is a welldemarcated margin and calcifications suggestive of tooth material. Cysts and odontogenic neoplasms 160 jaw cysts general features of jaw cysts to physicians, the term cyst means, simply, a space.
The glandular odontogenic cyst is usually asymptomatic and involves the mandible more often than the maxilla. Boc is considered to be a variant of a lateral periodontal cyst. Mar 19, 2014 glandular odontogenic cysts gocs are rare intrabony solitary or multiloculated cysts of odontogenic origin. An 11yearold female patient presented a swelling in the. Radiograph of a calcifying odontogenic cyst of the maxilla. The lesions listed next to bullets are regarded as variants, or subsets of the main lesions. If aug 10, 2010 a botryoid odontogenic cyst is considered to be a rare multilocular variant of a lateral periodontal cyst. Glandular odontogenic cyst 0 0 0 3 0 0 2 5 residual cyst 0 1 7 6 6 6 2 28. It is more often found in middleaged and older adults, and the teeth more likely affected are mandibular lower canines and premolars. Odontogenic cyst free download as powerpoint presentation. Studies about the prevalence of odontogenic cysts have been conducted in several countries and with different ethnic groups 210. This article aims to discuss the clinical features, radiological assessment, histopathology and management of a variety of odontogenic cysts. Malignant transformation of an odontogenic cyst in a period. Often patients with this condition are symptomatic.
Odontogenesis, odontogenic cysts, and odontogenic tumors. 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. 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. 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. Classification of odontogenic cyst linkedin slideshare.
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. Odontogenic cysts and tumors are growths that are usually involved in the process of tooth development or odontogenesis. Odontogenic cysts are classified according to the stages of odontogenesis at which they occur. The calcifying odontogenic cyst coc is an uncommon odontogenic lesion with a somewhat wide spectrum of histologic features. It has been reported predominantly as an incidental. 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. Non odontogenic jaw cysts are cysts arising from epithelial remnants of embryonic ducts left behind after embryonal facial and jaw development. Teeth develop from budlike invagination of ectodermal lining of primitive oral cavity epithelium. 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. Since odontogenic cysts incorporate an important part of the oral and maxillofacial. 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. 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. Nonodontogenic jaw cysts are cysts arising from epithelial remnants of embryonic ducts left behind after embryonal facial and jaw development. This cystic lesion site is in the periodontal space of vital teeth.
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. Microscopically, the lesion is similar to the lateral periodontal cyst but exhibits some differences. Glandular odontogenic cyst sialo odontogenic cyst very rare botryoid odontogenic cyst is a variant of the lateral periodontal cyst. Calcifying odontogenic cysts have a wide age distribution that peaks at 10 to 19 years of age, with a mean age of 36 years. May 10, 2020 an odontogenic cyst is a membranebound sac that can be empty or filled with a viscous substance or fluid. A clinical diagnosis of bilateral dentigerous cyst dc was rended. The presence of mucous cells does not suspend the boc from an odontogenic.
They almost exclusively occur in permanent dentition. 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 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. The most characteristic clinical feature of okc is the high recurrence rate.
Of note, a dentigerous cyst is, by definition, always associated with an unerupted tooth. Hyperchromatic, cuboidal or columnar basal cell layer 3. Nelson, in head and neck pathology third edition, 2019. 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. 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. The orthokeratinised odontogenic cyst is also recognised as an entity rather than being regarded as a variant of the odontogenic keratocyst. Odontogenic cysts, nonodontogenic cysts j craniofac surg 2011. Histologically, it bears a resemblance to lateral periodontal cyst lpc, botryoid odontogenic cysts bocs, radicular and residual cysts with mucous metaplasia. Odontogenic cyst are a group of jaw cysts that are formed from tissues involved in odontogenesis tooth development. Botryoid odontogenic cyst is a rare multilocular variant of lateral periodontal cysts. As such the cyst encloses the crown and is attached to the neck at the cementoenamel junction 5.
Radicular cyst, dentigerous cyst, surgical cyst management, cystpathology. Lateral periodontal cyst lpc is a relatively rare odontogenic pathology, representing about 0. It also highlights the reclassification of odontogenic keratocysts to keratocystic odontogenic tumours. 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. 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.
Chapter 21 odontogenic and nonodontogenic tumors of the jaws introduction. An odontogenic cyst is a membranebound sac that can be empty or filled with a viscous substance or fluid. Botryoid odontogenic cyst is a variant of the lateral periodontal cyst. 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. The cysts are male predominant and occur 10 to 15 years earlier compared with those in the white population. 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 because of this characteristic that a variety of treatment modalities has been suggested for this cyst. An 11yearold female patient presented a swelling in the vestibular.
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. There are approximately six different types of these cysts. Odontogenic cysts are closed sacs, and have a distinct membrane derived from rests of odontogenic epithelium. Because cystic sp aces within the jaws have special characteristics, they require a more precise definition. Also called as odontogenic ghost cell cyst or gorlin cyst. Glandular odontogenic cyst goc, accepted by who 1992 sialoodontogenic cyst polymorphous odontogenic cyst mucoepidermoid odontogenic cyst epidemiology. Odontogenic cysts, tumors, and related jaw lesions preceptor. Clinical and histologic features of botryoid odontogenic. 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. Radicular cyst, dentigerous cyst, surgical cyst management, cyst pathology. Jul 25, 2017 classification of odontogenic cysts based on the etiology shafer development. The 2005 who histological classification of odontogenic tumors lays out a classification system for neoplasms and other tumors related to the odontogenic apparatus. Clinically, the lesion usually appears as a slowgrowing, painless swelling of the jaw. Developmental odontogenic cysts flashcards quizlet.
Chapter 21 odontogenic and non odontogenic tumors of the jaws introduction. The following classification system is a modification of the world health organization. Intrabony cysts are most common in the jaws, because the mandible and maxilla are the only bones with epithelial. 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. The histopathological examination showed bilateral orthokeratinized odontogenic cyst. A dentigerous cyst, the most common odontogenic cyst, lacks the basal palisading and corrugated parakeratinized surface. Odontogenic tumour dentigerous cyst odontogenic cyst dental lamina radicular cyst these keywords were added by machine and not by the authors. The odontogenic keratocyst okc is classified as a developmental epithelial cyst and comprises approximately 11% of all cysts of the jaws.
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