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Mohanty S, Bansal N, Verma A, Urs AB. Mandibular primary intraosseous carcinoma arising from long-standing odontogenic keratocyst. Oral Surg Oral Med Oral Pathol Oral Radiol 2024; 137:e8-e15. [PMID: 38155014 DOI: 10.1016/j.oooo.2023.07.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 07/06/2023] [Accepted: 07/10/2023] [Indexed: 12/30/2023]
Abstract
Primary intraosseous carcinoma (PIOC) of the jaw is a rare neoplasm arising from the lining epithelium of odontogenic cysts or de novo from odontogenic epithelial rests that has no communication with the surrounding mucosa of the upper aerodigestive tract. We present a case of PIOC ex-odontogenic keratocyst (PIOC ex-OKC) in a 35-year-old male. Histopathologic examination revealed a cystic lesion with a fibrous capsule lined by corrugated parakeratinized stratified squamous epithelium resting on a basal cell layer composed of columnar cells exhibiting palisaded hyperchromatic nuclei, features consistent with OKC. Surgical treatment consisted of bilateral crestal and crevicular incision, a reflection of the flap, breaking of all OKC locules, creation of a continuous cavity, and fitting of a decompression mold around the mandibular teeth. This case highlights the importance of knowing the features of PIOC and considering PIOC in the differential diagnosis of malignant tumors of odontogenic epithelium for timely surgical treatment.
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Affiliation(s)
- Sujata Mohanty
- Department of Oral and Maxillofacial Surgery, Maulana Azad Institute of Dental Sciences, Bahadur Shah Zafar Marg, New Delhi - 110002, India.
| | - Neeraj Bansal
- Department of Oral and Maxillofacial Surgery, Maulana Azad Institute of Dental Sciences, Bahadur Shah Zafar Marg, New Delhi - 110002, India.
| | - Anjali Verma
- Department of Oral and Maxillofacial Surgery, Maulana Azad Institute of Dental Sciences, Bahadur Shah Zafar Marg, New Delhi - 110002, India.
| | - Aadithya B Urs
- Department of Oral and Maxillofacial Pathology, Maulana Azad Institute of Dental Sciences, Bahadur Shah Zafar Marg, New Delhi - 110002, India.
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Kumchai H, Champion AF, Gates JC. Carcinomatous Transformation of Odontogenic Keratocyst and Primary Intraosseous Carcinoma: A Systematic Review and Report of a Case. J Oral Maxillofac Surg 2021; 79:1081.e1-1081.e9. [PMID: 33529609 DOI: 10.1016/j.joms.2020.12.046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Revised: 12/28/2020] [Accepted: 12/29/2020] [Indexed: 01/27/2023]
Abstract
PURPOSE To assess the prognostic findings of the carcinomatous transformation of odontogenic keratocyst (OKC). METHODS A systematic review of all cases of carcinomatous transformation of OKC was completed, and a case report was included. RESULTS A total of 679 publications were screened, and 37 cases met inclusion criteria. The mean age for patients with malignant transformation of OKC was 45.1 years. Pain (67.5%) and swelling (78.3%) were the most common symptoms. The malignant transformation occurred with increased frequency in the posterior mandible and larger lesions that span greater than 2 subunits of the involved jaw. Resection was the definitive treatment in all cases and 14 cases (46%) utilized adjuvant treatment. CONCLUSIONS Patient outcomes and follow-up was variable in our study such that overall survival was difficult to determine. However, overall survival in malignant transformation of odontogenic cysts of all kinds ranges from 62 to 85% and 30 to 8% for 2 and 5 years, respectively.
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Affiliation(s)
- Hattanas Kumchai
- Resident and PhD Student, Oral & Maxillofacial Surgery Department, Thomas Jefferson University Hospital, Philadelphia, PA.
| | - Allen F Champion
- Assistant Professor, Oral & Maxillofacial Surgery Department, Thomas Jefferson University Hospital, Philadelphia, PA
| | - James C Gates
- Clinical Instructor, Oral & Maxillofacial Surgery Department, Thomas Jefferson University Hospital, Philadelphia, PA
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3
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PIC developing from odontogenic cysts: Clinical and radiological considerations on a series of 6 cases. ORAL AND MAXILLOFACIAL SURGERY CASES 2020. [DOI: 10.1016/j.omsc.2019.100139] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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Vera-Sirera B, Rubio-Martínez L, Forner-Navarro L, Vera-Sempere F. Orthokeratinized odontogenic cysts: a Spanish tertiary care centre study based on HPV DNA detection. Head Face Med 2018; 14:10. [PMID: 30005670 PMCID: PMC6043989 DOI: 10.1186/s13005-018-0167-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Accepted: 06/29/2018] [Indexed: 11/17/2022] Open
Abstract
Background The role of human papillomavirus (HPV) in orthokeratinized odontogenic cysts (OOCs) has rarely been studied. The objective is to describe the clinicopathological findings in a series of OOCs from a Spanish population that were investigated in relation to the possible presence of HPV. Methods A clinicopathological retrospective analysis followed by a molecular analysis of 28 high- and low-risk HPV genotypes was performed in OOC samples of patients seen during the last 15-years in a Spanish tertiary care center. Results Of 115 odontogenic cysts with keratinization, 16 cases of OOCs were confirmed and evaluated. OOCs occurred predominantly in the mandible of males (mean age 36.06 ± 13.16 years). Swelling of the jaw followed by pain were the most common clinical symptoms, and 56.5% of the OOC cases were associated with an unerupted tooth. After a mean post-cystectomy follow-up of 3.8 years, only one recurrent case was observed, resulting in a verrucous cystic lesion that was considered premalignant after immunohistological examination. DNA extraction was successful from 14 of the 16 OOC cases. None of the primary OCCs or the single recurrent OOC were positive for HPV in the molecular analysis. Conclusions OOCs show a very limited potential for recurrence. Our results suggest that neither high- or low-risk HPV subtypes are likely to play a role in the etiology or neoplastic transformation of OOC, at least in the Spanish population.
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Affiliation(s)
- Beatriz Vera-Sirera
- Department of Stomatology, Faculty of Medicine and Dentistry, University of Valencia, Valencia, Comunidad Valenciana, Spain
| | - Luis Rubio-Martínez
- Molecular Pathology Unit, Department of Pathology, La Fe University Hospital, University of Valencia, Valencia, Comunidad Valenciana, Spain
| | - Leopoldo Forner-Navarro
- Department of Stomatology, Faculty of Medicine and Dentistry, University of Valencia, Valencia, Comunidad Valenciana, Spain
| | - Francisco Vera-Sempere
- Department of Pathology, Faculty of Medicine and Dentistry, La Fe University Hospital, University of Valencia, Torre A, 2° planta, Avda. Fernando Abril Martorell 106, 46026, Valencia, Comunidad Valenciana, Spain.
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Initial-Stage Primary Intraosseous Squamous Cell Carcinoma Derived from Odontogenic Keratocyst with Unusual Keratoameloblastomatous Change of the Maxilla: A Case Report and Literature Discussion. Case Rep Otolaryngol 2018; 2018:7959230. [PMID: 29850338 PMCID: PMC5933066 DOI: 10.1155/2018/7959230] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Accepted: 04/08/2018] [Indexed: 02/07/2023] Open
Abstract
Primary intraosseous squamous cell carcinoma (PIOSCC) is a rare malignant neoplasm derived from odontogenic epithelial remnants in the central jaw bone. Most PIOSCCs originate from odontogenic cysts with a nonkeratinized epithelial lining, especially from radicular/residual and dentigerous cysts. There have been few reports of PIOSCCs derived from the odontogenic keratocyst (OKC), particularly those describing pathological features at the initial stage. The diagnosis of PIOSCC is difficult and based on exclusion of other carcinomas, including metastatic tumors from other primary sites. Here, we report an extremely rare case of initial-stage PIOSCC derived from the OKC with unusual keratoameloblastomatous change of the maxilla.
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Medawela RMSHB, Jayasuriya NSS, Ratnayake DRDL, Attygalla AM, Siriwardena BSMS. Squamous cell carcinoma arising from a keratocystic odontogenic tumor: a case report. J Med Case Rep 2017; 11:335. [PMID: 29191248 PMCID: PMC5710129 DOI: 10.1186/s13256-017-1486-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2017] [Accepted: 09/19/2017] [Indexed: 11/27/2022] Open
Abstract
Background The term “primary intraosseous squamous cell carcinoma” was introduced in 2005 by the World Health Organization with three subcategories. Squamous cell carcinoma arising from the lining of an odontogenic cyst is one important rare subcategory of such lesions with an incidence of 0.01 to 0.02%. Furthermore, the appearance of such malignancy in an odontogenic tumor such as keratocystic odontogenic tumor is considered extremely rare. Case presentation In this case report we report a case of a 50-year-old Sri Lankan woman who complained of pain and increase in the size of a swelling at the anterior mandible, which had been present for over 1 year. The increase was significant for 1 month with accompanying numbness of the left half of her lip. Cone beam computed tomography results revealed an irregular radiolucent lesion involving most of her mandible and, except in the anterior part, very little buccolingual expansion was seen that suggested a keratocystic odontogenic tumor. An excision biopsy of the cyst lining confirmed a squamous cell carcinoma arising from a preexisting keratocystic odontogenic tumor. Conclusions Even though primary intraosseous squamous cell carcinoma arising from a keratocystic odontogenic tumor is considered to be very rare, the present case is comparable to most of the aspects cited in the literature. The current case emphasizes the importance of careful investigation of swellings present in the mandible. Clinicians as well as patients should be aware and detect these changes to avoid being clinically negligent.
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Affiliation(s)
| | | | | | - Ajith Manjula Attygalla
- Department of Oral and Maxillofacial Surgery, Faculty of Dental Sciences, University of Peradeniya, Peradeniya, Sri Lanka
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Jalali E, Ferneini EM, Rengasamy K, Tadinada A. Squamous cell carcinoma arising within a maxillary odontogenic keratocyst: A rare occurrence. Imaging Sci Dent 2017; 47:135-140. [PMID: 28680851 PMCID: PMC5489670 DOI: 10.5624/isd.2017.47.2.135] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2017] [Revised: 03/07/2017] [Accepted: 03/24/2017] [Indexed: 01/17/2023] Open
Abstract
Squamous cell carcinoma (SCC) arising within the lining of an odontogenic keratocyst (OKC) is a rare occurrence. Although potentially locally destructive, OKC is a benign odontogenic process that typically presents with clinical and radiographic features characteristic of a benign intraosseous neoplasm. We present the clinical and radiographic features of a maxillary mass that demonstrated SCC arising from the lining of an OKC. Although the initial clinical and radiographic presentation suggested an infection or malignant neoplasm, biopsies revealed an infiltrative well-differentiated SCC contiguous with and arising from the focus of a pre-existing OKC. The patient subsequently underwent a type II hemi-maxillectomy with neoadjuvant chemoradiation. This report discusses the clinical and radiographic features associated with intraosseous malignancies, especially those arising from an otherwise benign odontogenic lesion. While the majority of OKCs are benign, the current report illustrates the potential for carcinomatous transformation within the lining of an OKC.
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Affiliation(s)
- Elnaz Jalali
- Eliray Oral and Maxillofacial Radiology Consulting Services, Miami, FL, USA
| | - Elie M Ferneini
- Department of Craniofacial Sciences, Division of Oral and Maxillofacial Surgery, University of Connecticut, School of Dental Medicine, Farmington, CT, USA
| | - Kandasamy Rengasamy
- Section of Oral and Maxillofacial Radiology, University of Connecticut, School of Dental Medicine, Farmington, CT, USA
| | - Aditya Tadinada
- Section of Oral and Maxillofacial Radiology, University of Connecticut, School of Dental Medicine, Farmington, CT, USA
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Kheur S, Mamatha GS, Bagul N, Kshirsagar K. Squamous cell carcinoma arising from keratocystic odontogenic tumor. J Oral Maxillofac Pathol 2017; 21:168-170. [PMID: 28479710 PMCID: PMC5406803 DOI: 10.4103/jomfp.jomfp_101_13] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Affiliation(s)
- Supriya Kheur
- Department of Oral Pathology and Microbiology, D.Y. Patil University's Dr. D.Y. Patil Dental College and Hospital, Pimpri, Pune, Maharashtra, India
| | - G S Mamatha
- Department of Oral Pathology and Microbiology, D.Y. Patil University's Dr. D.Y. Patil Dental College and Hospital, Pimpri, Pune, Maharashtra, India
| | - Neeta Bagul
- Department of Oral Pathology and Microbiology, D.Y. Patil University's Dr. D.Y. Patil Dental College and Hospital, Pimpri, Pune, Maharashtra, India
| | - Kapil Kshirsagar
- Department of Oral Surgery, D.Y. Patil University's Dr. D.Y. Patil Dental College and Hospital, Pimpri, Pune, Maharashtra, India
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Borrás-Ferreres J, Sánchez-Torres A, Gay-Escoda C. Malignant changes developing from odontogenic cysts: A systematic review. J Clin Exp Dent 2016; 8:e622-e628. [PMID: 27957281 PMCID: PMC5149102 DOI: 10.4317/jced.53256] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2016] [Accepted: 05/28/2016] [Indexed: 11/23/2022] Open
Abstract
The aim of this study was to systematically review scientific literature in orderto describe the characteristics and prognosis of malignant entities developing from odontogenic cysts. A search in Pubmed (MEDLINE) and Cochrane databases was conducted. The inclusion criteria were articles published in English related to the malignisation of odontogenic cysts in humans. The exclusion criteria were articles that do not specify the type of odontogenic cyst, malignisation of parakeratinised keratocysts, the presence of an ameloblastic carcinoma and metastasis from distant primary tumours. The selected articles were classified according to Strength of Recommendation Taxonomy criteria. Statistical analysis of the data was carried out using statistical package software SPSS version 22.0. From the 1,237 articles initially obtained, the authors included 3 case series and 45 case reports in the end. Descriptive analysis showed that men have a disposition for malignisation from odontogenic cysts and they frequently appear at the posterior mandible, with pain and swelling being the most frequent signs and symptoms. Follicular cysts were the entities that underwent the most malignant changes with well differentiated squamous cell carcinomas being the most prevalent type of malignancy. The real prognosis of this malignancy is not known because of the heterogeneity of available studies.
Key words:Odontogenic cysts, squamous cell carcinoma, neoplastic cell transformation, oral cancer.
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Affiliation(s)
- Jordi Borrás-Ferreres
- DDS. Fellow of the Master's Degree Program in Oral Surgery (EHFRE International University/FUCSO)
| | - Alba Sánchez-Torres
- DDS. Fellow of the Master of Oral Surgery and Orofacial Implantology. School of Dentistry, University of Barcelona, Spain
| | - Cosme Gay-Escoda
- MD, DDS, MS, PhD, EBOS. Chairman and Professor of the Oral and Maxillofacial Surgery Department, School of Dentistry, University of Barcelona. Director of Master's Degree Program in Oral Surgery and Implantology (EHFRE International University/FUCSO). Coordinator/Researcher of the IDIBELL Institute. Head of Oral and Maxillofacial Surgery and Implantology Department of the Teknon Medical Centre, Barcelona, Spain
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Saxena C, Aggarwal P, Wadhwan V, Bansal V. Primary intraosseous squamous cell carcinoma in odontogenic keratocyst: A rare entity. J Oral Maxillofac Pathol 2016; 19:406. [PMID: 26980976 PMCID: PMC4774301 DOI: 10.4103/0973-029x.174615] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
Squamous cell carcinoma (SCC) arising from the wall of an odontogenic cyst (also known as primary intraosseous carcinoma) is a rare tumor which occurs only in jaw bones. This tumor was first described by Loos in 1913 as a central epidermoid carcinoma of the jaw. Primary intraosseous carcinomas (PIOC) may theoretically arise from the lining of an odontogenic cyst or de novo from presumed odontogenic cell rests. According to the new histological classification of tumors of the World Health Organization, odontogenic keratocyst is nowadays considered a specific odontogenic tumor and the PIOC derived from it is considered as a specific entity which is different from other PIOCs derived from the odontogenic cysts. The following report describes a case of such extremely rare entity that is primary intraosseous SCC of the mandible derived from an OKC in a 60-year-old male patient with brief review of literature.
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Affiliation(s)
- Chitrapriya Saxena
- Department of Oral Pathology and Microbiology, Subharti Dental College, Meerut, Uttar Pradesh, India
| | - Pooja Aggarwal
- Department of Oral Pathology and Microbiology, Subharti Dental College, Meerut, Uttar Pradesh, India
| | - Vijay Wadhwan
- Department of Oral Pathology and Microbiology, Subharti Dental College, Meerut, Uttar Pradesh, India
| | - Vishal Bansal
- Department of Oral and Maxillofacial Surgery, Subharti Dental College, Meerut, Uttar Pradesh, India
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Lukandu OM, Micha CS. Primary intraosseous squamous cell carcinoma arising from keratocystic odontogenic tumor. Oral Surg Oral Med Oral Pathol Oral Radiol 2015; 120:e204-9. [DOI: 10.1016/j.oooo.2015.03.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2014] [Revised: 02/10/2015] [Accepted: 03/16/2015] [Indexed: 10/23/2022]
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12
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Castro-Núñez J. Decompression of Odontogenic Cystic Lesions: Past, Present, and Future. J Oral Maxillofac Surg 2015; 74:104.e1-9. [PMID: 26428611 DOI: 10.1016/j.joms.2015.09.004] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2015] [Accepted: 09/01/2015] [Indexed: 11/18/2022]
Abstract
Tumors and cystic lesions of the jawbones have been described since the late 1600s and it took another 200 years for classification systems to appear in the medical, surgical, and dental literatures. In the late 1800s, Carl Partsch introduced cystostomy, a method by which the cyst is converted into a pouch by suturing its lining to the mucosa of the oral cavity. The purpose of this article is to analyze the history, present, and future of cystic conditions of the jaws and decompression, a modality of treatment that during the past few years has regained the attention of oral and maxillofacial surgeons and pathologists owing to its relative simplicity and effectiveness compared with other conservative options.
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Affiliation(s)
- Jaime Castro-Núñez
- Researcher, Research Department, Institución Universitaria Colegios de Colombia, Colegio Odontológico, Bogotá, Colombia; Oral and Maxillofacial Surgeon, Clínica Nueva, Bogotá, Colombia; Oral Pathologist, Universidad El Bosque School of Dentistry, Bogotá, Colombia; and Visiting Professor, Universidad Evangélica de El Salvador School of Dentistry, San Salvador, El Salvador.
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13
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Maheswaran T, Ramesh V, Oza N, Panda A, Balamurali PD. Keratin metaplasia in the epithelial lining of odontogenic cysts. J Pharm Bioallied Sci 2014; 6:S110-2. [PMID: 25210349 PMCID: PMC4157245 DOI: 10.4103/0975-7406.137405] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2014] [Revised: 03/30/2014] [Accepted: 04/09/2014] [Indexed: 11/29/2022] Open
Abstract
Objective: To find the prevalence of keratin metaplasia and its relation with clinico-pathological profile of the odontogenic cyst. Materials and Methods: Odontogenic cysts were studied histologically with special stains to identify the presence of keratin and compared with various parameters such as underlying connective tissue inflammation, average epithelial thickness, and site of the cyst, type of the cyst, age and the sex of the patient. Results: Of 71 cases of various odontogenic cysts, 26 (36.6%) cases exhibited keratinization in the epithelial lining. In cysts with severe inflammation there is absence of keratinization. Conclusions: This study reveals higher prevalence of keratin metaplasia in the odontogenic cysts. Furthermore, inflammation is found to be one of factor influencing keratin metaplasia.
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Affiliation(s)
- Thangadurai Maheswaran
- Department of Oral Pathology and Microbiology, Vivekanandha Dental College for Women, Tiruchengode, Namakkal, Tamil Nadu, India
| | - Venkatapathy Ramesh
- Department of Oral Pathology and Microbiology, Mahatma Gandhi Post Graduate Institute of Dental Sciences, Puducherry, India
| | - Nirima Oza
- Department of Oral Pathology and Microbiology, Mahatma Gandhi Post Graduate Institute of Dental Sciences, Puducherry, India
| | - Abikshyeet Panda
- Department of Oral Pathology and Microbiology, Kalinga Institute of Dental Sciences, Bhubaneswar, Odisha, India
| | - P D Balamurali
- Department of Oral Pathology and Microbiology, Mahatma Gandhi Post Graduate Institute of Dental Sciences, Puducherry, India
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Intraosseous carcinoma arising from an odontogenic cyst: a case report. Oral Surg Oral Med Oral Pathol Oral Radiol 2013; 116:e445-9. [DOI: 10.1016/j.oooo.2012.02.029] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2011] [Revised: 02/06/2012] [Accepted: 02/28/2012] [Indexed: 11/21/2022]
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Maria A, Sharma Y, Chhabria A. Squamous cell carcinoma in a maxillary odontogenic keratocyst: A rare entity. Natl J Maxillofac Surg 2012; 2:214-8. [PMID: 22639518 PMCID: PMC3343400 DOI: 10.4103/0975-5950.94486] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Odontogenic cysts in the maxilla are common but a malignant change in an odontogenic cyst is a comparatively a rare occurrence; however, these entities present with clinical and radiographic features similar to benign, expansible, central, odontogenic tumor, or cyst of the jaws. A patient reporting with squamous cell carcinoma arising from an odontogenic keratocyst of right maxilla has been worked up clinically, radiographically, and pathologically. The case was surgically managed and followed up. A 54-year-old male patient with a compressible, rapidly growing swelling of right maxilla was clinically diagnosed to be a case of odontogenic cyst. On radiologic examination it appeared similar to a cystic lesion. An incisional biopsy obtained from the cyst wall showed it to be odontogenic keratocyst with histologic evidence of malignant transformation. The pathogenesis of the tumor, the biologic progression, and prognosis and overall clinical and histopathogical features of this rare malignancy is reported and discussed.
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Affiliation(s)
- Anisha Maria
- Department of Oral and Maxillofacial Surgery, Modern Dental College and Research Centre, Indore, India
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Bhargava D, Deshpande A, Pogrel MA. Keratocystic odontogenic tumour (KCOT)--a cyst to a tumour. Oral Maxillofac Surg 2012; 16:163-70. [PMID: 22072419 DOI: 10.1007/s10006-011-0302-9] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2011] [Accepted: 10/20/2011] [Indexed: 05/31/2023]
Abstract
PURPOSE The World Health Organization (WHO) has reclassified 'odontogenic keratocyst' (OKC) to 'keratocystic odontogenic tumour' (KCOT) in 2005. Currently, this tumour is classified as a benign neoplasm of odontogenic origin and not as a cyst. This article reviews and discusses history, classification scheme, aetiology and pathogenesis, molecular and genetic basis, incidence, epidemiology and site, clinical features, imaging, histopathology, immunohistochemistry, treatment options, prognosis, recurrence and malignant transformation of KCOT, with emphasis on understanding the basis of reclassification as 'keratocystic odontogenic tumour'. METHODS A systematic search and review of the literature was carried out in the online database of the United States National Library of Medicine to identify eligible titles for the study. RESULTS Current evidence suggests that the scientific community still continues to use the term 'odontogenic keratocyst' more favourably than 'keratocystic odontogenic tumour'. CONCLUSION The online database search indicates that the scientific community still continues to use the term 'odontogenic keratocyst' more favourably than 'keratocystic odontogenic tumour'. At this juncture, where the terminology has changed from a cyst to a tumour, a thorough review of literature on KCOT is presented.
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Affiliation(s)
- Darpan Bhargava
- Smile Mechanics-Centre for Maxillofacial Surgery & Dental Implantology, H-3/2, B.D.A. Colony, Nayapura, Lalghati, Airport Road, Bhopal, Madhya Pradesh, 462032, India.
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18
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Squamous cell carcinoma arising in dentigerous cysts. J Craniomaxillofac Surg 2012; 40:e355-7. [PMID: 22417771 DOI: 10.1016/j.jcms.2012.01.020] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2011] [Revised: 01/30/2012] [Accepted: 01/31/2012] [Indexed: 11/23/2022] Open
Abstract
We present two cases of squamous cell carcinoma (SCC) arising in dentigerous cysts. Malignant transformation in dentigerous cysts is rare giving rise to diagnostic difficulties. We propose imaging at an early stage to reduce delays in diagnosis.
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Woolgar JA, Triantafyllou A, Ferlito A, Devaney KO, Lewis JS, Rinaldo A, Slootweg PJ, Barnes L. Intraosseous carcinoma of the jaws: a clinicopathologic review. Part III: Primary intraosseous squamous cell carcinoma. Head Neck 2012; 35:906-9. [PMID: 22290827 DOI: 10.1002/hed.22922] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/14/2011] [Indexed: 11/10/2022] Open
Abstract
This is the third part of a review of the clinicopathologic features of intraosseous carcinoma of the jaws (IOCJ). In parts 1 and 2, we discussed metastatic and salivary-type and odontogenic carcinomas, respectively. This part deals with primary intraosseous squamous cell carcinoma. Again, based on a critical approach, we emphasize histopathologic features, diagnostic difficulties, discuss histogenesis, and highlight areas of uncertainty. The 3-part review also offers speculations on how future studies may refine our understanding of the unusual and interesting IOCJ.
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Affiliation(s)
- Julia A Woolgar
- Oral Pathology, School of Dental Sciences and Dental Hospital, University of Liverpool, Liverpool, United Kingdom
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Bodner L, Manor E, Shear M, van der Waal I. Primary intraosseous squamous cell carcinoma arising in an odontogenic cyst: a clinicopathologic analysis of 116 reported cases. J Oral Pathol Med 2011; 40:733-8. [PMID: 21689161 DOI: 10.1111/j.1600-0714.2011.01058.x] [Citation(s) in RCA: 86] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
PURPOSE To review the literature on primary intraosseous squamous cell carcinoma (PIOSCC) associated with odontogenic cyst. METHODS All well-documented cases of PIOSCC published between 1938 and 2010 were collected. Only cases of PIOSCC arising from the lining of an odontogenic cyst, including the keratocystic odontogenic tumor, were selected. Age, sex, signs and symptoms, affected jaw, cyst type, treatment, histopathology, and outcome were recorded. RESULTS The mean age was 60.2 years (range 1.3-90). There were 80 (69%) men and 36 (31%) women. Mass and pain were the most common presenting symptoms. The mandible was affected in 92 (79%) patients and the maxilla in 24 (21%). It was a residual/radicular cyst in 70 (60%) patients and a dentigerous cyst or a keratocystic odontogenic tumor in the remaining 40%. The histopathology was well-differentiated SCC in 53 (46%) patients and moderately differentiated SCC in 47 (40%) patients. Fifty-three (46%) patients were treated with surgery alone and 44 (38%) with surgery and radiotherapy. Fifty-eight (62%) patients survived 2 years and 36 (38%) survived 5 years. CONCLUSION PIOSCC has a predilection for men (M/F ratio of 2.22:1), affects mainly adults in their 6-8th decades, occurs most frequently (79%) in the mandible, and is associated mainly with a residual/radicular cyst. Histologically, the well-to-moderately differentiated SCC was the most common. Surgery alone or combined therapy of surgery and radiation was the most common approach. The prognosis is 62% surviving 2 years and 38% 5 years.
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Affiliation(s)
- Lipa Bodner
- Department of Oral and Maxillofacial Surgery, Soroka University Medical Center and Ben-Gurion University of the Negev, Beer-Sheva, Israel.
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Giuliani M, Grossi GB, Lajolo C, Bisceglia M, Herb KE. Conservative Management of a Large Odontogenic Keratocyst: Report of a Case and Review of the Literature. J Oral Maxillofac Surg 2006; 64:308-16. [PMID: 16413905 DOI: 10.1016/j.joms.2005.10.013] [Citation(s) in RCA: 69] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- Michele Giuliani
- Università Cattolica del Sacro Cuore, School of Dentistry, Roma, Italy.
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22
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Swinson BD, Jerjes W, Thomas GJ. Squamous Cell Carcinoma Arising in a Residual Odontogenic Cyst: Case Report. J Oral Maxillofac Surg 2005; 63:1231-3. [PMID: 16094597 DOI: 10.1016/j.joms.2005.04.016] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Brian D Swinson
- Department of Oral and Maxillofacial Surgery, University College Hospital, London, England.
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23
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Decompression and marsupialization as a treatment for the odontogenic keratocyst. Oral Maxillofac Surg Clin North Am 2003; 15:415-27. [DOI: 10.1016/s1042-3699(03)00038-4] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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24
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25
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von Lüdinghausen M, Schindler G, Matsuura M. Follicular or dentigerous (tooth-containing) cyst in the premaxilla of an otherwise edentulous 65-year-old man. Clin Anat 2001; 14:95-101. [PMID: 11241744 DOI: 10.1002/1098-2353(200103)14:2<95::aid-ca1017>3.0.co;2-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
A unilocular follicular or dentigerous cyst (FDC) with a diameter of 12 mm was observed incidentally in the premaxilla of a midsagittal section of the head of a 65-year-old cadaver. The mucosal lining of the cyst was grey in color and granular in texture: the osseous walls had a thickness of less than 1 mm. In the floor of the cyst, a slender, fully developed incisor tooth was fixed in a horizontal position. The alveolar processes of the maxilla and mandible were completely edentulous. Postmortem computer tomography showed the cyst in an osteolytic lesion of the premaxilla, and histology revealed a lining of non-keratinized stratified squamous epithelium supported by a lamina propria of dense connective tissue.
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Affiliation(s)
- M von Lüdinghausen
- Department of Anatomy, Faculty of Medicine, University of Würzburg, Würzburg, Germany.
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26
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Makowski GJ, McGuff S, Van Sickels JE. Squamous cell carcinoma in a maxillary odontogenic keratocyst. J Oral Maxillofac Surg 2001; 59:76-80. [PMID: 11152194 DOI: 10.1053/joms.2001.19297] [Citation(s) in RCA: 44] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- G J Makowski
- University of Texas Health Science Center at San Antonio, USA
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27
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Yasuoka T, Yonemoto K, Kato Y, Tatematsu N. Squamous cell carcinoma arising in a dentigerous cyst. J Oral Maxillofac Surg 2000; 58:900-5. [PMID: 10935592 DOI: 10.1053/joms.2000.8219] [Citation(s) in RCA: 66] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- T Yasuoka
- Department of Oral and Maxillofacial Surgery, Gifu University School of Medicine, Japan.
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28
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Folpe AL, Tsue T, Rogerson L, Weymuller E, Oda D, True LD. Odontogenic ghost cell carcinoma: a case report with immunohistochemical and ultrastructural characterization. J Oral Pathol Med 1998; 27:185-9. [PMID: 9563575 DOI: 10.1111/j.1600-0714.1998.tb01938.x] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The odontogenic ghost cell tumor (OGCT) is the rare, neoplastic variant of the calcifying odontogenic cyst (COC). To date, there have been only four reports of malignant OGCTs, in five patients. We report an additional case of a malignant odontogenic ghost cell tumor that involved the right maxilla of a 20-year-old man. Our report includes its immunocytochemical and ultrastructural characterization.
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Affiliation(s)
- A L Folpe
- Department of Pathology, University of Washington, Seattle, USA
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29
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Yoshida H, Onizawa K, Yusa H. Squamous cell carcinoma arising in association with an orthokeratinized odontogenic keratocyst. Report of a case. J Oral Maxillofac Surg 1996; 54:647-51. [PMID: 8632255 DOI: 10.1016/s0278-2391(96)90653-9] [Citation(s) in RCA: 45] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- H Yoshida
- Department of Oral and Maxillofacial Surgery, Institute of Clinical Medicine, University of Tsukuba, Ibaraki-ken, Japan
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30
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Johnson LM, Sapp JP, McIntire DN. Squamous cell carcinoma arising in a dentigerous cyst. J Oral Maxillofac Surg 1994; 52:987-90. [PMID: 8064467 DOI: 10.1016/s0278-2391(10)80087-4] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- L M Johnson
- Section of Diagnostic Sciences, UCLA School of Dentistry, Los Angeles 90024-1668
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31
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Ariji E, Ozeki S, Yonetsu K, Sasaguri M, Miwa K, Kanda S, Tashiro H. Central squamous cell carcinoma of the mandible. Computed tomographic findings. ORAL SURGERY, ORAL MEDICINE, AND ORAL PATHOLOGY 1994; 77:541-8. [PMID: 8028879 DOI: 10.1016/0030-4220(94)90238-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Five cases of central squamous cell carcinoma of the mandible were investigated with the use of computed tomography. Bucco-lingual extent and spread along the mandibular division of the trigeminal nerve were evaluated. Three patients with trismus showed involvement of the masseter or medial pterygoid muscle on computed tomography. Involvement of more than two landmarks along the trigeminal nerve were observed in cases with both paresthesia of the lower lip and severe pain that resembled neuralgia. Perineural invasion was confirmed histologically in four cases, and all of these patients had both severe pain and mandibular canal involvement that could be demonstrated with computed tomography. When localized soft tissue changes are evident along the course of the trigeminal nerve in the region between the mandibular foramen and foramen ovale, ascending perineural spread should be suspected. Computed tomography findings correlated well with clinical symptoms but added information about the spread of the lesion within the surrounding soft tissue.
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Affiliation(s)
- E Ariji
- Department of Oral and Maxillofacial Radiology, Faculty of Dentistry, Kyushu University, Fukuoka, Japan
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32
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Antoh M, Hasegawa H, Kawakami T, Kage T, Chino T, Eda S. Hyperkeratosis and atypical proliferation appearing in the lining epithelium of a radicular cyst. Report of a case. J Craniomaxillofac Surg 1993; 21:210-3. [PMID: 7689599 DOI: 10.1016/s1010-5182(05)80484-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
It is widely accepted that radicular cysts (apical periodontal cysts) are commonly lined with stratified squamous epithelium without keratin formation. However, we identified a case of maxillary radicular cyst with remarkable keratinization and atypical proliferation of the lining epithelium among the 207 radicular cyst cases seen at our department. Histopathological and clinical findings of these cysts were reviewed.
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Affiliation(s)
- M Antoh
- Department of Oral Pathology, Matsumoto Dental College, Shiojiri, Japan
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33
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Tanaka N, Iwaki H, Yamada T, Amagasa T. Carcinoma after enucleation of a calcifying odontogenic cyst: a case report. J Oral Maxillofac Surg 1993; 51:75-8. [PMID: 8419577 DOI: 10.1016/s0278-2391(10)80394-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- N Tanaka
- First Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Tokyo Medical and Dental University, Japan
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34
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Minić AJ. Primary intraosseous squamous cell carcinoma arising in a mandibular keratocyst. Int J Oral Maxillofac Surg 1992; 21:163-5. [PMID: 1379294 DOI: 10.1016/s0901-5027(05)80786-6] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Primary intraosseous carcinoma (P1OC) of the jaws is rare. They either arise de novo or as a consequence of malignant transformation of a benign cyst or tumor. A 56-year-old patient with a P1OC of the mandible arising from an odontogenic keratocyst is described.
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Affiliation(s)
- A J Minić
- Institute of Pathology, Faculty of Stomatology, University of Belgrade, Srbija, Yugoslavia
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35
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Maxymiw WG, Wood RE. Carcinoma arising in a dentigerous cyst: a case report and review of the literature. J Oral Maxillofac Surg 1991; 49:639-43. [PMID: 2037921 DOI: 10.1016/0278-2391(91)90347-o] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- W G Maxymiw
- Department of Dentistry, Princess Margaret Hospital, Toronto, Canada
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36
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Herbener GH, Gould AR, Neal DC, Farman AG. An electron and optical microscopic study of juxtaposed odontogenic keratocyst and carcinoma. ORAL SURGERY, ORAL MEDICINE, AND ORAL PATHOLOGY 1991; 71:322-8. [PMID: 2011355 DOI: 10.1016/0030-4220(91)90308-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Odontogenic keratocyst and squamous cell carcinoma commonly occur within the oral cavity; however, the juxtaposition of these lesions is rare. The light microscopic and ultrastructural features of such an event are reported. Although some morphologic similarities between the cyst and tumor were observed, definitive evidence of a common origin was not obtained.
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Affiliation(s)
- G H Herbener
- Department of Anatomical Sciences and Neurobiology, School of Medicine, University of Louisville, Ky
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37
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Kawaue Y, Shimizutani K, Koseki Y. Clinico-radiographic studies on central squamous cell carcinomas of the mandible. Oral Radiol 1989. [DOI: 10.1007/bf02347845] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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38
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Waldron CA, Mustoe TA. Primary intraosseous carcinoma of the mandible with probable origin in an odontogenic cyst. ORAL SURGERY, ORAL MEDICINE, AND ORAL PATHOLOGY 1989; 67:716-24. [PMID: 2662106 DOI: 10.1016/0030-4220(89)90014-5] [Citation(s) in RCA: 89] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Primary intraosseous carcinoma of the jaws (PIOC) is an uncommon lesion, but may not be as rare as commonly believed. Since the putative source of the epithelium giving rise to an intraosseous carcinoma is the epithelium involved in odontogenesis, these lesions are often designated as odontogenic carcinomas. These tumors may theoretically arise (1) from the lining of odontogenic cysts, (2) from other epithelial odontogenic tumors, or (3) de novo from presumed odontogenic rests. While not included in most classifications of PIOC, it appears logical to also include intraosseous mucoepidermoid carcinomas as a fourth type of PIOC. A case of primary intraosseous squamous cell carcinoma of the mandible, with evidence of origin in an odontogenic cyst, is presented. The recent literature on carcinomas arising in jaw cysts is reviewed.
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Affiliation(s)
- C A Waldron
- Washington University School of Dental Medicine, St. Louis, Mo
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39
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Bradley N, Thomas DM, Antoniades K, Anavi Y. Squamous cell carcinoma arising in an odontogenic cyst. Int J Oral Maxillofac Surg 1988; 17:260-3. [PMID: 3139799 DOI: 10.1016/s0901-5027(88)80053-5] [Citation(s) in RCA: 28] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Squamous cell carcinoma arising is an odontogenic cyst is rare, Eversole finding 36 cases in his review of the literature in 1975. Since then, a further 10 have been recorded in the English literature. We now report another case and describe its management. The need to histologically examine all odontogenic cysts is stressed.
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Affiliation(s)
- N Bradley
- Department of Oral and Maxillofacial Surgery, Queen Mary's University Hospital, Roehampton, London, UK
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40
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Abstract
A case of squamous cell carcinoma arising in an odontogenic keratocyst is described. A review of the literature revealed only one other adequately documented case.
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Affiliation(s)
- R I MacLeod
- Department of Oral Pathology, Dental School, University of Newcastle upon Tyne
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41
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Norris LH, Piccoli P, Papageorge MB. Multiple dentigerous cysts of the maxilla and mandible: report of a case. J Oral Maxillofac Surg 1987; 45:694-7. [PMID: 3475441 DOI: 10.1016/0278-2391(87)90310-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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42
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High AS, Quirke P, Hume WJ. DNA-ploidy studies in a keratocyst undergoing subsequent malignant transformation. JOURNAL OF ORAL PATHOLOGY 1987; 16:135-8. [PMID: 3114452 DOI: 10.1111/j.1600-0714.1987.tb01480.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Using techniques that allow flow cytometry to be performed on tissue stored in paraffin wax, we have examined the DNA content of cells from an odontogenic keratocyst which underwent malignant transformation. On histological examination, the primary lesion was an odontogenic keratocyst showing dysplastic changes within the squamous epithelium. Flow cytometry revealed a prominent, abnormal DNA stemline, which was also present in the subsequent squamous cell carcinoma.
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43
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Abstract
Clinicopathological differences between the typical parakeratinised odontogenic keratocyst (OKC) and the orthokeratinised variant are outlined. A case conforming to the histological criteria of an orthokeratinised OKC occurring in association with a squamous cell carcinoma is described and possible relationships between the two entities discussed.
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44
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Ellis GL, Shmookler BM. Aggressive (malignant?) epithelial odontogenic ghost cell tumor. ORAL SURGERY, ORAL MEDICINE, AND ORAL PATHOLOGY 1986; 61:471-8. [PMID: 3459124 DOI: 10.1016/0030-4220(86)90390-7] [Citation(s) in RCA: 85] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Although the calcifying odontogenic cyst (COC) is a well-established pathologic entity, it has been recognized that there is an odontogenic neoplasm with histologic features similar to the COC that has often been diagnosed as COC. Investigators have applied several terms to this neoplasm, but we prefer the term epithelial odontogenic ghost cell tumor (EOGCT). No reports have appeared previously in the literature describing either carcinoma arising in a COC or malignant EOGCT. Three cases are reported here with aggressive growth and histologic features strongly implying a malignant potential, although none is known to have metastasized. Two occurred in the maxilla and one in the mandible. One was discovered 9 years following removal of a typical COC, and another recurred rapidly after excision.
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45
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Abstract
The case of a 58-year-old man with a large primary intraosseous carcinoma (PIOC) of the mandible is presented. The tumour is rare, and the prognosis is usually poor. There are no specific histological characteristics of PIOC. Staining for basement membrane laminin could be a valuable aid in the differential diagnosis between PIOC and tumours of ameloblastoma origin.
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46
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Abstract
Remnants of odontogenic epithelium persist in oral tissues after odontogenesis is complete, and from these remnants a variety of tumours and cysts can arise. Squamous metaplasia can occur in this epithelium which in turn may produce keratin. Although keratin production is a feature of many odontogenic cysts, a specific entity, the odontogenic keratocyst has been defined. The term was first introduced by Philipsen in 1956 and has been used synonymously with that of the primordial cyst. Its capacity for aggressive growth and recurrence even after many years makes it of special interest. In this case report these behavioural characteristics are well demonstrated. The long natural history of the condition in this case and its site and size involved oral, ophthalmic and ultimately otolaryngologic surgeons.
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47
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Van der Waal I, Rauhamaa R, Van der Kwast WA, Snow GB. Squamous cell carcinoma arising in the lining of odontogenic cysts. Report of 5 cases. INTERNATIONAL JOURNAL OF ORAL SURGERY 1985; 14:146-52. [PMID: 3920158 DOI: 10.1016/s0300-9785(85)80086-7] [Citation(s) in RCA: 46] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The lining of odontogenic cysts seldom gives rise to the development of a carcinoma. In a review of the literature by Gardner in 1975, 25 cases were accepted as such. In the present paper, 5 new cases are reported. These cases were encountered during a 14-year-period in which 292 oral carcinomas were registered, emphasizing the rarity of carcinomas arising from odontogenic cysts.
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48
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Norris LH, Baghaei-Rad M, Maloney PL, Simpson G, Guinta J. Bilateral maxillary squamous odontogenic tumors and the malignant transformation of a mandibular radiolucent lesion. J Oral Maxillofac Surg 1984; 42:827-34. [PMID: 6594479 DOI: 10.1016/0278-2391(84)90355-0] [Citation(s) in RCA: 46] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
A case of bilateral squamous odontogenic tumors of the maxilla with concomitant malignant transformation of a mandibular lesion to squamous cell carcinoma is presented. It is the first reported case of squamous odontogenic tumor in coexistence with a malignant tumor.
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49
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Nithiananda S. Squamous cell carcinoma arising in the lining of an odontogenic cyst. THE BRITISH JOURNAL OF ORAL SURGERY 1983; 21:56-62. [PMID: 6573190 DOI: 10.1016/0007-117x(83)90032-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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50
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