Topical 5fluorouracil a novel therapeutic treatment. They present more commonly in the posterior mandible of young adults than the maxilla. Topical 5fu may be a novel therapeutic option for kots and may provide a targeted molecular approach to treatment. It is one of the most aggressive odontogenic cysts of the oral cavity. Odontogenic keratocyst okc is a developmental cyst that was first described by philipsen 1956.
The distinction between keratocystic odontogenic tumor and other. Odontogenic keratocyst okc has been the subject of great interest since philipsen introduced the term in 1956. Keratocystic odontogenic tumours are known for their peculiar behaviour, varied origin, debated development, unique tendency to recur and disputed treatment modalities. Pdf keratocystic odontogenic tumour with extraosseal. Although there are promising new techniques to treat an odontogenic keratocyst, the most common method of treatment is simply going into the jawbone and removing the odontogenic keratocyst. The odontogenic keratocyst okc is a recurrent cyst that has been recently reclassified from an odontogenic tumor to an odontogenic cyst. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Thus, it has been the subject of much research over the last 40 years. A keratocystic odontogenic tumor kot formerly known as an odontogenic keratocyst is a benign cystic tumor of dental origin that probably arises from primitive dental lamina, most commonly occurs in the posterior mandible, and almost certainly represents the lesion that used to be known as a primordial cyst. Keratocystic odontogenic tumor in the maxillary sinus. Jomr conservative treatment protocol for keratocystic. The treatment of keratocystic odontogenic tumour of the jaw remains controversial. Odontogenic keratocyst marsupialization and decompression. Upon the establishment of intravenous sedation and local anesthesia, the.
Keratocystic odontogenic tumour an overview sciencedirect. Odontogenic keratocyst treatment with marsupialization and decompression. Odontogenic keratocyst symptoms, treatment, pictures. Conservative treatment protocol of odontogenic keratocyst a preliminary study joms 2006. The case for decompression and marsupialization joms 2005. Odontogenic keratocyst is a common type of tooth derived cyst due to presence of odontogenic epithelium remnant in different regions of jaw. Surgical treatment of keratocystic odontogenic tumour.
True cyst pseudo cyst cyst with epith cyst without elial lining. It is characterized by its fast aggressive growth and high risk of recurrence. Reclassification and treatment of odontogenic keratocysts. The orthokeratinizing odontogenic cyst is considered an unrelated entity without risk of recurrence or aggressive growth or association with nevoid basal cell carcinoma syndrome. Odontogenic keratocyst in the mandible, surgical treatment. Here we report a case of a recurrent buccal lesion in a 62yearold. Decompression of mandibular odontogenic keratocyst using a. Pdf keratocystic odontogenic tumour with extraosseal spread. First described by philipsen in 1956, the odontogenic keratocyst is characterized by a large squamous keratinization of its border, an aggressive growth and a high recurrent rate. Conservative treatment protocol for keratocystic odontogenic.
One manifestation of the basal cell nevus syndrome. A cohort study syndrome was considered in subjects who presented with okcs and another major criterion or two minor criteria, which were established by evans et al. The odontogenic keratocyst okc is a benign but locally aggressive cyst that has a potentially high recurrence rate and morbidity associated with different treatment approaches. Decompression of mandibular odontogenic keratocyst using a custom drain. In this paper, we shall present one case report of a keratocyst, which derived from an impacted canine. Most odontogenic keratocysts are found during the 2nd to 4th decades of life, although they can occur at any age. The odontogenic keratocyst is a very well known odontogenic cyst. Keratinocystic odontogenic tumor odontogenic keratocyst keratinocystic odontogenic tumor three important things associated with this diagnosis.
Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. It has characteristic histopathological and clinical features. Okcs have been reclassified under odontogenic tumours in 2005 by the who and have since been termed as keratocystic odontogenic tumours kcots. In the united states, it is estimated that 25 percent of adults over the age of 60 have lost all their teeth edentulism, approximately one. Odontogenic keratocyst okc is a cyst that presents local aggression and a high recurrence. It most often affects the posterior mandible and most commonly presents in the third decade of life. It deserves special consideration because of its peculiar histopathological features and clinical behavior. Pdf the purpose of this study was to report our experience with surgical treatment of 31 mandibular odontogenic keratocysts, with special reference to. Odontogenic keratocyst a case presentation purshotam nainani 1, anish gupta, pratibha kavle2, amit mathur3 abstract. A case series odontogenic cysts such as the odontogenic keratocyst are benign lesions that have the potential for aggressive infiltrative behavior and undesirable comorbidities. It is now designated by the world health organization as a keratocystic odontogenic tumour kot.
Keratocystic odontogenic tumour is relatively rare benign tumour. Keratocystic odontogenic tumour kcot misdiagnosed as a. The aim of this study was to report the outcome of our conservative treatment protocol for keratocystic odontogenic tumour. Dental lamina, odontogenic keratocyst in children, odontogenic keratocyst in children and association with gorlingoltz syndrome, odontogenic tumors introduction odontogenic keratocyst okc is a developmental odontogenic cysts, it is thought to originate from the dental lamina. It may be unilocular or mulilocular and thus making a total of 31.
The differential diagnosis for a multilocular, radiolucent lesion in the body of the mandible is ameloblastoma, keratocystic odontogenic tumor parakeratinizing odontogenic keratocyst, odontogenic myxoma or central giant cell lesion. The odontogenic keratocyst okc is a cystic lesion of odontogenic origin, which is classified as a developmental cyst derived from the dental lamina. Odontogenic keratocysts okcs are developmental cysts which occur typically in the jawbones. An odontogenic keratocyst is a rare and benign but locally aggressive developmental cyst.
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. Also known as the keratocystic odontic tumor, it is believed to be stemming from the dental lamina. Also called as odontogenic ghost cell cyst or gorlin cyst. Treatment of these lesions with conservative techniques such as marsupialization and decompression have proven and lasting. Okc is now referred to by the world health organization who as a keratocystic odontogenic tumour kcot, and who defined it as a benign uni or multicystic, intraosseous tumour of odontogenic origin, with a characteristic lining of parakeratinized stratified squamous epithelium. Okc is well recognized by its aggressive behavior, rapid growth and high tendency to invade the adjacent tissues including bone. The present paper reports the treatment of a large odontogenic keratocyst tumor found in the mandible of a 24 yearold male patient. In recent studies a somatic mutation of ptch gene in some. The spread of an infection depends on the balance between the patient condition and microbial factors. Odontogenic definition of odontogenic by the free dictionary. The odontogenic keratocyst okc, currently designated by the world health organization as a keratocystic odontogenic tumor is a locally aggressive, cystic jaw lesion with a putative high growth potential and a propensity for recurrence. Pogrel, in current therapy in oral and maxillofacial surgery, 2012.
There are many types of cysts of the jaws, but what makes the odontogenic keratocyst unusual are its characteristic histopathological and clinical features, including potentially aggressive behaviour, high recurrence rate, and an association with the nevoid basal cell carcinoma. Aug 11, 2009 the odontogenic keratocyst is a very well known odontogenic cyst. Odontogenic infections are generally secondary to pulp necrosis, periodontal disease, pericoronitis, apical lesions or complications of certain dental procedures 2. Dentigerous cyst associated with adenomatoid odontogenic tumour sumit majumdar1, divya uppala2, ayyagari kameswara rao3, sunil talasila4, mahesh babu5 abstract adenomatoid odontogenic tumour aot, a tumour composed of odontogenic epithelium, is an uncommon tumour of odontogenic origin that accounts for only 2.
Keratocystic odontogenic tumor are considered to be benign, even though they are locally aggressive and show high recurrence rates after conservative management. Investigations continue into the lesions pathologic classification, diagnosis and. Pdf treatment of mandibular odontogenic keratocysts. Keratocystic odontogenic tumor article about keratocystic. The patient accepted the treatment plan and following a standard history and physical examination, the patient was consented for surgery. Albodbai mh 21 keratocystic odontogenic tumor in the maxillary sinus. Pdf surgical treatment of keratocystic odontogenic. Surgical treatment of odontogenic keratocyst by enucleation. The odontogenic keratocyst can be defined as a cystic benign tumor, being localized at the level of the mandible or the maxilla. Odontogenic keratocyst radiology reference article. It was formerly known as odontogenic keratocyst okc.
Treatment of the large odontogenic keratocyst tumor by. Ppt odontogenic keratocyst powerpoint presentation free. Ppt odontogenic keratocyst powerpoint presentation. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from.
The keratocystic odontogenic tumour is classified as a developmental cyst derived from the enamel organ or from the dental lamina. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. Odontogenic keratocyst because of its behavior, many oral pathologists now consider the okc an odontogenic tumor that has a cystic form 2005 classi. A large extragnathic keratocystic odontogenic tumour. Apr, 2016 odontogenic keratocyst or keratocystic odontogengic tumor. Odontogenic keratocysts are aggressive benign lesions that have high recurrence indices. The odontogenic keratocyst okc, earlier referred to as the keratocystic odontogenic tumor, is a distinctive form of the developmental odontogenic cyst. Topical 5fluorouracil a novel therapeutic treatment option. Treatment options include enucleation with or without curettage, decompression and marsupialization, peripheral osteotomy, cryotherapy, application of carnoys solution and resection of the jaw 2. There are many types of cysts of the jaws, but what makes the odontogenic keratocyst unusual are its characteristic histopathological and clinical features, including potentially aggressive behaviour, high recurrence rate, and an association with the nevoid basal cell carcinoma syndrome. Odontogenic keratocystokc, is so named because 1 the cyst is odontogenic in origin and 2 the epithelium produces so much keratin, that it accumulates in the cystic lumen. The aim of the present study was to investigate its treatment and address.
The remaining 40% arise from the reduced enamel epithelium of the dental follicle and are thus dentigerousorigin odontogenic keratocysts figure 7 b as we. This lesion was first described in 1956 by phillipsen. Odontogenic keratocyst definition of odontogenic keratocyst. Most odontogenic keratocyst 60% arise from dental lamina rests or from the basal cells of oral epithelium and are thus primordialorigin odontogenic keratocysts figure 7a 10. A cyst can be defined as a pathological cavity lined by epithelium having fluid semifluid or gaseous contents but not created by accumulation of pus. Dentigerous cyst associated with adenomatoid odontogenic. Odontogenic keratocyst okc is a developmental odontogenic cysts, it is thought to originate from the dental lamina. Clinically, the kot is manifested by an asymptomatic growth.