Radiologic and pathologic characteristics of benign and. Salierno 3 department of pathology, incurabili hospital aslnapoli centro, via maria longo, napoli, italy. It represents a very small proportion of all odontogenic tumors, with a percentage less than 1%1. The slow, expansive and constant growth that characterizes these masses may be accompanied by signs of oral discomfort and dysphagia. It is believed that this lesion presents the unique true cementum neoplasm. In other cases, their relationship to teeth clinical pathology. The lesion manifested as a round, radiopaque mass attached to the root of the left first molar of the mandible. Benign cementoblastoma is a relatively rare odontogenic neoplasm characterized by the formation of a mass of cementumlike tissue, connected to the root of the tooth. Most patients initially present with mild pain and bony swelling in the area of the lesion. Clinical features males females tooth involved is vital and painful. Both odontogenic apical tumors were located at the level of the first and second right lower molars and have not recurred 4 years and 1. It is a rare lesion comprising 1 to 6,2% of odontogenic tumours. The cementoblastoma has been classified as a benign tumor of odontogenic origin derived from ectomesenchyme. Cementoblastoma is a relatively rare odontogenic benign neoplasm characterized by a calcified cementumlike deposit attached to the apex of the root and produced by neoplastic cementoblasts.
Surgery to remove the entire lesion was performed under local anesthesia, resulting in severe intraoperative pain and incomplete removal of the lesion. Cementoblastoma is a rare benign odontogenic neoplasm which is characterized by the proliferation of cellular cementum. We also discuss and illustrate the radiologic and, in some cases, pathologic. Dull pain is often the only symptom of the growth, or you might not notice any symptoms at all. The tooth was extracted and the lesion was removed. Calcifying epithelial odontogenic tumors and calcifying odontogenic cysts are rare, benign odontogenic tumors.
Benign cementoblastoma is a rare odontogenic neoplasm of mesenchymal origin. The benign cementoblastoma, which generally occurs in young persons, comprises less than 1% to 6. This initial surgery was performed three months prior to his presentation. Cementoblastoma is considered a benign tumor that arises from the tooth root.
In 1927 dewey1 was the first to report a benign cementoblastoma. Its characterized by proliferation of cementumlike tis sue and in almost all cases tends to be associated with an erupted permanent tooth, most often the first mo lar. Benign cementoblastoma is one of 4 world health organization recognized cemental neoplasms. Benign cementoblastoma is a slowgrowing benign tumor arising from. Differential diagnosis and clinical management of periapical. Benign cementoblastoma medigoo health tests medical. Benign cementoblastoma is a rare odontogenic tumor characterized by the formation of a mass of cementum or cementumlike tissue attached to the roots of a tooth. Tumors of jaw bones tumor neoplasm abnormal new growth which results from excessive, autonomous, uncoordinated,purposeless proliferation of cells which co slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Report of an unusual case and analysis of 14 additional cases author links open overlay panel jeffrey s.
It affects mostly young people with an average age of 20 years old, and its preferred location is in the posterior region of the mandible. The world health organization has classified benign cementoblastoma and cementifying fibroma as the only true cemental neoplasms. The lesion was associated with the mesial root of the lower right second primary molar. Cementoblastoma is a rare benign lesion that repre sents less than 1% of all odontogenic tumours. Two examples of benign cementoblastoma are recorded, with emphasis on both an uncalcified matrix stage and a calcified mature stage. The cementoblastoma is a benign odontogenic tumor of ectomesenchymal origin that preferentially affects the roots of mandibular molars or premolars, in patients in the age range of 2030 years, with slight prevalence in the male sex.
The world health organization classified benign cementoblastoma and. Benign cementoblastoma, first described by dewey in 1927, 1 is a relatively rare tumor of odontogenic ectomesenchyme origin characterized by proliferating cementumlike tissue occurring in juxtaposition to tooth roots. Therefore, the objective of this study was to report the case of a patient diagnosed with benign. At least 50% of the reported cases occurred in patients.
It is derived from ectomesenchyme of odontogenic origin. Tumor mass was seen merging with the cementum of the root of the associated tooth. The radiological examination showed a radiopaque circunscribed mass of aproximately 1. Benign cementoblastoma is a rare benign odontogenic tumour of mesenchymal origin. The benign cementoblastoma is a relatively rare odontogenic neoplasm of the jaws and was first described by dewey 1 in 1927. Benign cementoblastoma is a rare odontogenic tumor of mesenchymal origin comprising only less than 1% of all odontogenic tumors. As regards the histological perspective, the cementoblastoma resembles osteosarcoma, or benign osteoblastoma due to the. One occurred in a 36yearold man and the other in a 16yearold girl. Benign cementoblastoma is a rare odontogenic tumour localized in the jaws of young people.
These tumors primarily affect young adults in the second and third decades of life, with approximately onehalf occurring under the age of 20 years and approximately three quarters occurring under the age of 30 years 2 5. Odontogenic and nonodontogenic tumors of the jaws m. The radiographic appearance of the lesion suggested a benign cementoblastoma. In many cases their relationship to the teeth is fairly clearcut, both histologically and radiographically.
Benign cementoblastoma cementoblastoma, true cementoma slow growing, mesenchymal neoplasm composed of cementum attaches to the apex of the permanent teeth as a bulbous growth. Benign cementoblastoma is a rare ectomesenchymal odontogenic tumor that originates from the root of the tooth and that is. The lesion is considered as the only true neoplasm of cementum origin 2. The others include periapical cementosseous dysplasis, cementifying fibroma and gigantiform familial cementoma. A radiolucent band around a benign cementoblastoma is usually better defined and more uniform than that with cemental dysplasia. Cementoblastoma is a rare benign odontogenic tumor that accounts for less than 1% of all odontogenic tumors 2, 3. Simpo pdf merge and split unregistered version simpopdf.
Definition and pathogenesis a rare benign tumor similar to osteoid osteoma histologically, but 1. Pdf the cementoblastoma is a distinctive, but relatively uncommon, benign odontogenic tumor of ectomesenchymal origin, and a true. Cementoblastoma affecting mandibular first molar a case. Benign cementoblastoma in a primary lower molar, a rarity. If left untreated, however, a cementoblastoma can keep growing. The patient underwent tc dental scan of the mandible, which highlighted the presence of three wellcircumscribed, round, unilocular. The provisional diagnosis was benign cementoblastoma, and the patient was scheduled for surgical removal of the tumour and extraction of the associated premolar under general anesthesia.
Benign cementoblastoma involving multiple maxillary teeth. The benign cementoblastoma, which generally occurs in young persons, comprises less than 1%. Cementoblastomas are rare benign odontogenic tumors. Benign cementoblastoma or true cementoma is a benign odontogenic tumour. The clinical, radiographic, and histopathologic features of a case of benign cementoblastoma are. Eventually a cementoblastoma may become visible and distort the appearance of the face.
A rare case of benign aggressive cementoblastoma johny j. The location and the histological presentation of benign cementoblastoma is totally identical to osteoblastoma 7, 8. Cementoblastoma are distinctive but relatively uncommon tumors. This tumor is characterized by the formation of an expansive mass of cementumlike tissue intimately associated to the root of a tooth. Benign cementoblastoma or true cementoma is a slowgrowing, benign odontogenic tumor arising from cementoblasts. Cementoblastoma is a benign odontogenic neoplasm accounting for less than 0.
Benign cementoblastoma bc is a relatively rare odontogenic neoplasm characterized by the formation of a mass of cementumlike tissue connected to the root of a tooth. Benign cementoblastoma true cementoma sciencedirect. Cementoblastoma, or benign cementoblastoma, is a relatively rare benign neoplasm of the cementum of the teeth. Revisiting cementoblastoma with a rare case presentation. Cementoblastoma or true cementoma is a rare benign mesenchymal odontogenic tumor arising from cementoblasts. This case report is intended to increase knowledge regarding this tumor in cats. Benign cementoblastoma has characteristic radiologic and microscopic features and it appears to be fused. Two new cases of benign cementoblastoma true cementoma are added to the literature. The cementoblastoma is a distinctive, true benign odontogenic neoplasm of mesenchymal origin and is composed of cementum, has a distinct location, being typically attached to the root of a lower posterior tooth. Diagnosis of cementoblastoma is challenging because of its protracted clinical, radiographic features, and bland histological appearance. A 60year old man was referred to us complaining of pain in his right jaw. A case of a benign cementoblastoma involving the maxillary right first, second, and impacted third molars is presented.
Clinicopathological study of a case of cementoblastoma and. Benign cementoblastoma is a rare ectomesenchymal odontogenic tumor that originates from the root of the tooth and that is characterized by the formation of cementumlike tissue. Human cementoblastoma derived cells express cartilage like phenotype in vitro and in vivo and induce bone formation article pdf available august 2016 with 117 reads how we measure reads. The benign cementoblastoma is an odontogenic tumor originated from neoplastic cementoblasts, a rare lesion mainly associated to impacted and deciduous teeth. Benign cementoblastoma involving deciduous and permanent. Condensing osteitis is a welldefined radiopaque lesion that typically appears around the apex of a necrotic tooth root. An asymptomatic radiopacity surrounded by a radiolucent line was observed from a panoramic radiograph of an 11yearold girl. Cementoblastoma involving multiple deciduous teeth.
Benign cementoblastoma is an odontogenic tumor of mesenquimal origin. At the time of surgery, a buccal full thickness envelope. Diagnosis of these lesions must be made by an association of clinical, radiographic, and. Pdf differential diagnosis of periapical radiopacities.
Complementary laboratory test were performed, as well as, radiological evaluation and excisional biopsy. Cementoblastoma usually occurs in people under the age of 25, particularly males. Cementoblastomas have been previously described in the literature as cementomas, true cementomas, sclerosing cementomas, periapical fibroosteoma, and periapical fibrous dysplasia 3,4 although cementoma is only mentioned as periapical cementoma, a type of osseous dysplasia in the 2005 who histological classification of odontogenic tumors 5. Cementoblastoma is a long name for a certain rare, benign growth that appears on the root of a tooth. Cementoblastoma is considered a rare benign odontogenic tumor of. Osteodystrophies of maxillofacial region osteodystrophies definition osteodystrophies are disorders of bone other than neoplastic and inflammatory conditi this website provides over 0 free medical books and more for all students and doctors this website the best choice for medical students during and after learning medicine. Surgical treatment of cementoblastoma associated with. The osteoblastoma is a rare benign tumor that produces bone, in which the rim of osteoblasts surrounds the trabeculae forming a wellcircumscribed lesion. Benign cementoblastoma is a rare lesion of the oral cavity, currently classified by the world health organization who 2005 as an ectomesenchymal odontogenic tumor that originates from the root of the tooth and that is characterized with the formation of cementumlike tissue 1, 2. Pdf clinicopathological study of a case of cementoblastoma and.