Squamous cell carcinoma arising from the lining of an odontogenic cyst is one important rare subcategory of such lesions with an incidence of 0. Histopathologically, sot can be easily misdiagnosed as an acanthomatous ameloblastoma. Keratocystic odontogenic tumor, maxillary sinus, odontogenic cyst. This article describes a report of a case of a 60yearold caucasian female with an asymptomatic growth in the region of the posterior maxilla tumor diagnosed as odontogenic keratocyst. Squamous cell carcinoma arising from a keratocystic odontogenic tumor. Keratocystic odontogenic tumor involving the maxillary. Keratocystic odontogenic tumor invading the right maxillary sinus. Case report painful keratocystic odontogenic tumor due to. Alparslan esen 1, ali kilinc 1, yigit guler 1, melek tassoker 2 and omer gunhan 3 1 department of oral and maxillofacial surgery, university of necmettinerbakan, turkey 2 department of oral and maxillofacial radiology, university of necmettinerbakan, turkey 3 department of. Enucleation and liquid nitrogen cryotherapy in the treatment of keratocystic odontogenic tumors. Okc has been of special interest because of aggressive behavior, specific histopathological features, and high recurrence rate. Giant keratocystic odontogenic tumor of the mandible a case.
Recurrent keratocystic odontogenic tumor in the masseter. Siddique sabin1, kumar anoop2, maya anoop3, meera m4. Journal of medical case reports squamous cell carcinoma arising from a keratocystic odontogenic tumor. Maxillary peripheral keratocystic odontogenic tumor. Keratocystic odontogenic tumor kcot is a benign intraosseous neoplasm of the jaw occurring most commonly in mandibular ramus molar area with male predilection. It is also generally confused with other tumors of odontogenic origin, as was seen in our case, which was clinically diagnosed as an odontogenic keratocystic. We describe a case managed conservatively that, in fact, would have required more aggressive treatment.
A 14yearold caucasian girl presented for observation of bilateral agenesis. Keratocystic odontogenic tumor mimicking lateral periodontal. Philipsen coined the term odontogenic keratocystic. The following report describes an extremely rare case of an odontogenic carcinoma derived from a keratocystic odontogenic tumor in a 20yearold man. Conclusion we report a case of calcifying cystic odontogenic tumor, which, although it is an odontogenic neoplasia, can be treated conservatively in most cases. Presentation of a keratocystic odontogenic tumor with. The term primary intraosseous squamous cell carcinoma was introduced in 2005 by the world health organization with three subcategories. Furthermore, the appearance of such malignancy in an odontogenic. Department of dentomaxillofacial radiology, faculty of dentistry, university of ondokuz mayis, samsun, turkey. Kcots occur over a broad age range, predominantly in the second and third. Keratocystic odontogenic tumor kcot is a odontogenic neoplasm of jaw which has high recurrence potential. Case report keratocystic odontogenic tumor simulating.
Histopathologic examination shows a parakeratinized epithelium with a clear basal layer and a wavy appeared luminal surface. Giant keratocystic odontogenic tumor of the maxillary sinus and zygoma. Justifiably so, this proved to be a major turning point that lead to the actual understanding of the true pathogenesis of okc. A keratocystic odontogenic tumour kcot occurring in the maxillary sinus is very often misdiagnosed to be a dentigerous cyst. Odontogenic keratocyst is a distinctive form of developmental odontogenic cyst because of its specific histopathologic features, an aggressive biologic behavior and a high recurrence rate. The case was treated by segmental resection with disarticulation and. Prosthetic rehabilitation with dental implants after. A 40 year old female patient reported to the department of oral. The purpose of this presentation is to outline the aggressiveness and proliferation of keratocystic odontogenic tumor. Although notch receptors and ligands have been shown to play a role in cell fate decisions in. Nonsyndromic keratocystic odontogenic tumor involving the. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.
In the present report, a case of odontogenic keratocyst which is now called keratocystic odontogenic tumor with the colonization of actinomyces is introduced and its significance. Kcot that simulating lateral periodontal cyst and nasopalatine duct cyst and provides an overview on clinical. The odontogenic keratocyst is a very well known odontogenic cyst. Previously, simultaneous occurrence of keratocystc odontogenic tumor and various odontogenic and. Jaw cysts and tumors commonly occur due to the presence of odontogenic epithelial remnants 4. Squamous cell carcinoma arising from a keratocystic odontogenic. Pdf large odontogenic keratocyst of mandible a case report.
The odontogenic keratocyst tumor is rarely found in maxilla. Okc was clinically behave aggressive in nature and has high recurrence rate, and an association with nevoid basal cell carcinoma syndrome nbscc. Giant keratocystic odontogenic tumor of the maxillary sinus. Keratocystic odontogenic tumor invading the right maxillary. Keratocystic odontogenic tumor in the maxillary sinus. 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. Odontogenic keratocyst was named a keratocystic odontogenic tumor by the world health organization who in 2005 due to its local aggressive nature and high recurrence rate, budding in the basal layer, the appearance of mitotic figures in the suprabasal layer and the mutation of ptch gene in the syndromic lesions. We present the case of a 23yearold man with extensive kcot and impacted third molar in the right maxillary sinus. Albodbai mh 21 keratocystic odontogenic tumor in the maxillary sinus. Philipsen coined the term odontogenic keratocystic okc for the first time in 1956 4. Case report a 36 year old male patient reported to our. Keratocystic odontogenic tumor of the mandible a case report.
Involvement of the maxillary sinus is an unusual presentation. Keratocystic odontogenic tumor kcot is defined as a benign uni or multicystic intraosseous tumor of odontogenic origin, with a characteristic lining of parakeratinized stratified squamous epithelium and potentially aggressive, infiltrative behavior. Giant keratocystic odontogenic tumor of the mandible a case report olga kornafel, 1, a, b, d, e, f przemyslaw jazwiec, 1, a, d, e and krzysztof pakulski 2, b, d 1 department of radiology and medical imaging, 4 th military hospital in wroclaw, wroclaw, poland. Pdf keratocystic odontogenic tumor invading the right. 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. Case report keratocystic odontogenic tumor simulating lateral periodontal cyst and nasopalatine duct cyst. An unusual case report and its management sulabha, a. Keratocystic odontogenic tumor kcot is a benign intraosseous neoplasm of the jaw. Long after its first description in 1956 by philipsen, it was only in 2005 that the who reclassified and renamed the odontogenic keratocyst okc as a keratocystic odontogenic tumor kcot as it would better mirror its neoplastic behavior. Bhagawati, 1 manishgupta, 1 gauravnarang, 1 andsharanammabhagawati 2 department of oral medicine and radiology, shree bankey bihari dental college, masuri, ghaziabad, utta pradesh, india.
Case report keratocystic odontogenic tumor with an ectopic tooth in maxilla basavarajt. Actinomycosis is an anaerobic infection that involves the craniofacial region and its colonization has rarely been reported in the developmental odontogenic cysts. Pdf simultaneous occurrence of keratocystic odontogenic. Giant keratocystic odontogenic tumor of the mandible a.
Although odontogenic cysts are commonly seen, appearence of two different and simultaneous odontogenic lesions in the same patient is extremely rare. This paper reports a case of kcot in left hemimandible with buccal and lingual cortical perforations. Pdf odontogenic keratocyst simulating lateral periodontal. This paper reports a case of kcot in left hemimandible with. Keratocystic odontogenic tumour an overview sciencedirect. In this paper, we shall present one case report of a keratocyst, which. We also carried out immunohistochemistry for ki67 antigen. The keratocystic odontogenic tumor kcot is a benign uni or multicystic, intraosseous tumor of odontogenic origin 2 that has a slight male predilection and commonly occurs in the second and third decades of life 3. A 31yearold male noticed a facial swelling and pain on the lower left side. Case report radiological and clinical features of peripheral. Furthermore, the appearance of such malignancy in an odontogenic tumor such as keratocystic. Presentation of a keratocystic odontogenic tumor with agenesis. Here we report a case of keratocyst in buccal mucosa in a 55 years old female patient, the diagnosis of which was based on.
Squamous cell carcinoma arising from an odontogenic. Features of peripheral keratocystic odontogenic tumor 301 int j clin exp med 2014. The patient presented with an exophytic lesion in the retromolar region of the mandible which was first noticed by the patient 25 days earlier. A case report jianhua zhou1, lili wang2, zhenggang chen1, jianzhong qiu1 and quanjiang dong2 1department of stomatology and 2central laboratories, qingdao municipal hospital, qingdao, shandong 266071, p. Pdf keratocystic odontogenic tumor kcot has been identified as a tumor after observation of its biological behavior and genetic abnormalities. The aim of this case report is to present a keratocystic odontogenic tumor kcot mimicking lateral periodontal cyst. Department of oral and maxillofacial surgery, faculty of dentistry, university of ondokuz mayis, samsun, turkey.
Case report keratocystic odontogenic tumor mimicking lateral periodontal cyst. Keratocystic odontogenic tumor involving the maxillary sinus. We analyzed the etiopathogenetic, clinical, radiographic, and histopathologic aspects of keratocystic odontogenic tumors, particularly in association with dental anomalies of number, with the aim of providing useful information for their correct diagnosis, treatment, and prognosis within a multidisciplinary approach. This tumor is difficult to diagnose because of its nonspecific clinical signs and symptoms. 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. Surgical management was recommended in most reports with. Squamous cell carcinoma arising from a keratocystic.
The enculated lesion was sent to the laboratory for histological examination which gave the result of parakeratotic keratocystic. Where bone neoformation was observed in absence of any tumor recurrence. Prosthetic rehabilitation with dental implants after treatment of a keratocystic odontogenic tumor. Case report keratocystic odontogenic tumor simulating lateral. Cystic lesions should be examined cautiously to render appropriate treatment or else chances of recurrence of an aggressive lesion like the kcot are high. Here we report a case of kcot which was diagnosed by normal histological examination. In this case report we report a case of a 50yearold sri lankan woman. A slowgrowing painless expansive swelling is the common presenting symptom. Aug 11, 2009 the odontogenic keratocyst is a very well known odontogenic cyst. We report a case of 35yearold female with kcot involving the lining of the maxillary sinus and put forward hypotheses for the origin of kcot in the maxillary sinus. We report the first known case of cof, an uncommonly occurring odontogenic tumor, in pakistan.
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. Massive keratocystic odontogenic tumor of mandible crossing the midline in 11year child. The keratocystic odontogenic tumor kcot is defined as a benign, odontogenic, uni or multicystic intraosseous tumor with infiltrative behavior. It has an agressive behavior including high rates of. Massive keratocystic odontogenic tumor of mandible. We discuss the diagnosis and workup for this type of injury. Actinomyces colonization in keratocystic odontogenic tumor. Squamous odontogenic tumor sot is a rare benign odontogenic epithelial neoplasm. Case report keratocystic odontogenic tumor with an ectopic.
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