A unique case of desmoplastic ameloblastoma of the mandible

Kawai, Tohru; Kishino, Mitsunobu; Hiranuma, Hiroko; Sasai, Tadashi; Ishida, Takeshi

doi:10.1016/s1079-2104(99)70282-9

Cited by 41 publications

(19 citation statements)

References 13 publications

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“…A previous study suggests the difficulty to distinguish such a hybrid variant from the desmoplastic ameloblastoma and other types of ameloblastomas or odontogenic tumors with conventional radiographic examination and computed tomography. 14 Although another previously described case was well demarcated and corticated, 7 without a surrounding radiolucent zone, our case in presentation showed an observable breach in the lingual cortex and extension into adjacent soft tissues.…”

Section: Discussioncontrasting

confidence: 55%

A Mixed Neoplasm of Intraosseous Hemangioma with an Ameloblastoma: A Case of Collision Tumor or a Rare Variant?

Jois¹,

Kumar

et al. 2011

Clinics and Practice

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Hemangiomas of the head and neck are considered to be benign tumors of infancy that are characterized by a rapid growth phase with endothelial cell proliferation, followed by gradual involution. Central hemangiomas are a rare occurrence and even rarer are the hybrid tumors of central hemangiomas with odontogenic tumors such as ameloblastomas. This paper reports a case of one such hybrid tumor in a middle aged adult clinical presenting as a mandibular swelling with indistinct mixed radiographic presentation and histopathologically comprising of intimately associated hemangiomatous vascular channels and typical ameloblastic areas. To the authors' knowledge this is the sixth case of such a hemangiomatous ameloblastoma which has been reported till date.

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Section: Discussioncontrasting

confidence: 55%

A Mixed Neoplasm of Intraosseous Hemangioma with an Ameloblastoma: A Case of Collision Tumor or a Rare Variant?

Jois¹,

Kumar

et al. 2011

Clinics and Practice

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“…Forty-eight (85.7%) patients presented with a painless swelling or a bone expansion, 2–4,6–9,11–18,21,24–28,30–32,34,36 which was the most conspicuous clinical manifestation of the affected area. Six patients presented with a tender swelling.…”

Section: Clinical Featuresmentioning

confidence: 99%

“…6 Both surgeons and radiologists may be aware of clinicoradiographic features of the “common” ameloblastomas, however, may ignore this variation. The purpose of this article was to review the DA within the English literature in order to provide diagnostic tools for this rare variation of ameloblastomas.…”

Section: Introductionmentioning

confidence: 99%

“…Criteria for inclusion in the here presented study were a confirmed histopathological diagnosis of DAs with a detailed clinicoradiographic description. Thus, a total of 115 cases from 35 published papers 1–4,6–36 have been analyzed and the clinicoradiographic data were summarized in Table 1. The 115 cases of DA including 12 cases of so-called “hybrid lesion of ameloblastoma where areas of intraosseous ameloblastoma coexist with areas of DA.…”

Section: Introductionmentioning

confidence: 99%

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Desmoplastic ameloblastoma – A review

Sun

Cheng

et al. 2009

Oral Oncology

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SUMMARY Among the ameloblastomas, the desmoplastic variation is rare. The desmoplastic ameloblastoma (DA) is characterized by specific clinical, imaging, and histological features. The here presented retrospective analysis investigated the clinicoradiographic features of an overall of 115 DA-cases, having been reported in literature from 1984 to 2008. DA showed a nearly equal male to female ratio (55/59) with a prevalence within the forth and fifth decades. Sixty-two lesions occurred in the mandible and fifty-one lesions in the maxilla. Clinically, a painless swelling with buccal extension was the most common presentation being found in 48 cases. Radiologically, the lesion often presented multilocular (49.3%; 36/73), mixed radiolucent/radiopaque (55.6%; 50/90) and with ill-defined borders (64.0%; 48/75). Whereas enucleation provided a recurrence rate of 21.1%, resection reduced this rate remarkably to 3.1%. The average period until recurrence was 36.9 months. Histologically, scattered epithelial nests and extensively desmoplasia were prominent features of DA. In conclusion, these retrospective results confirm the statement that DA is a variation among ameloblastomas. DA present clinicoradiographic and histologic distinct features, when compared with “conventional ameloblastomas”.

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“…Effiom and Odukoya25 also reported that multilocular radiolucency accounted for 82.4% of cases in a desmoplastic series and the remaining 17.6% presented with a mixed radiolucent and radiopaque radiographic appearance, thereby mimicking a fibro-osseous lesion. Kawai et al26 reported that desmoplastic ameloblastoma appeared either as a diffuse, poorly delineated, mottled radiolucent/radiopaque lesion similar to a benign fibro-osseous lesion or as a lesion with a honeycomb or soap-bubble appearance with indistinct borders. However, the relationship to the mixed lesion was not discovered in this case.…”

Section: Discussionmentioning

confidence: 99%

A repeatedly recurrent desmoplastic ameloblastoma after removal and allobone graft: Radiographic features compared with histological changes

2013

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A 40-year-old man suffered from a repeatedly recurrent desmoplastic ameloblastoma in the right maxillary anterior and premolar regions. During the first visit, the patient was provisionally histopathologically diagnosed with a developmental cyst, and it was confirmed to be unicystic ameloblastoma and resected. Four years later, the lesion recurred, and was diagnosed as a desmoplastic type of ameloblastoma and removed again. Then, 5 years after the second surgery, the lesion recurred again, and was diagnosed as a type containing a follicular pattern, recurrent ameloblastoma. A panoramic radiograph showed a multilocular and mixed radiolucent/radiopaque expansile lesion at the first visit, a unilocular cystic lesion confined to the premolar area at the second visit, and a small soap bubble appearance in the molar area in the final visit. Cone-beam computed tomographic images of the final recurrence of the tumor revealed multiple small cyst-like structures in the right maxillary anterior and posterior regions.

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A unique case of desmoplastic ameloblastoma of the mandible

Cited by 41 publications

References 13 publications

A Mixed Neoplasm of Intraosseous Hemangioma with an Ameloblastoma: A Case of Collision Tumor or a Rare Variant?

A Mixed Neoplasm of Intraosseous Hemangioma with an Ameloblastoma: A Case of Collision Tumor or a Rare Variant?

Desmoplastic ameloblastoma – A review

A repeatedly recurrent desmoplastic ameloblastoma after removal and allobone graft: Radiographic features compared with histological changes

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