‘Do not touch’ lesions of the skull base

Dobre, Mircea C.; Fischbein, Nancy J.

doi:10.1111/1754-9485.12195

Cited by 10 publications

(12 citation statements)

References 13 publications

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“…Большинство авторов описывают рентгенологическую картину ФД, отмечая наличие изменений 3 типов: «матовое стекло», уплотнение и кистозное [8,9,17,18,26]. Исследователи указывают на широкую вариабельность рентгеновской плотности тканей -от 34 до 513 HU [18,19,34,41].…”

Section: материалы и методыunclassified

“…Использование узкого диапазона рентгеновской плотности тканей (50-1000 HU) для построения трехмерной модели в нашем исследовании [13,20,[24][25][26][27][28]. Хотя рентгенологические признаки ФД весьма специфичны: истончение кортикального слоя с четкими краями и вид мозгового слоя по типу «матового стекла» [29], существует достаточно большая группа фиброзно-костных поражений, характери зующихся сочетанием трабекулярных и плотных участков в очаге [9,19,20]. Многие авторы отмечают значительную вариабельность сочетания этих компонентов при ФД, что затрудняет дифференциальную диагностику [10,19,20,28,30,31].…”

Section: материалы и методыunclassified

“…ПФД может быть составляющей генетических синдромов Яффе-Лихтенштейна, Олбрайта-Мак-Кьюна и Мазабрауда. Некоторые авторы выделяют краниофациальную форму (при которой поражено основание и/или свод черепа) независимо от числа вовлеченных костей [6][7][8][9][10].…”

Section: Introductionunclassified

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Fibrous dysplasia of the maxillofacial area: a 15-year retrospective study

Кугушев

Лопатин

Ясонов

et al. 2018

Opuholi golovy i šei

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The study objective is to determine the clinical and radiological characteristics of fibrous dysplasia of the maxillofacial area in children.Materials and methods. A retrospective analysis of the data of the Department of Maxillofacial Surgery of the Russian Children’s Clinic for 15 years was performed. Clinical manifestations of fibrous dysplasia were compared with the X-ray characteristics in 86 patients.Results and conclusion.In the study group, boys (in 1.2 times) slightly prevailed. The median age of debut of the disease was 8.4 years, and the time before treatment was 2.2 years. The main complaint was the appearance of a painless slowly progressing deformation. Most often, the maxilla and frontal bone were affected. X-ray fibrous dysplasia was manifested by the presence of a focus with a reduced density, relative to the adjacent bone, the type of “ground glass” with the possible presence of cysts.

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Section: материалы и методыunclassified

Section: Introductionunclassified

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Fibrous dysplasia of the maxillofacial area: a 15-year retrospective study

Кугушев

Лопатин

Ясонов

et al. 2018

Opuholi golovy i šei

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“…However, on the contrary, localized FD on MR imaging often mimics a tumor. This is said to be because of fibrous tissue which can enhance brilliantly after the injection of contrast material [ 3 , 17 , 18 ].…”

Section: Diagnosismentioning

confidence: 99%

“…CT representation of FD is characteristic and consists of three varieties: ground-glass pattern (56%), homogeneously dense pattern (23%) and cystic variety (21%) [ 7 , 8 , 17 , 18 , 41 ]. CT characteristics of FD include expansion of the involved bone with heterogenous pattern of CT densities associated with scattered or confluent islands of bone formation [ 38 , 45 ].…”

Section: Diagnosismentioning

confidence: 99%

Computed Tomography in Craniofacial Fibrous Dysplasia: A Case Series with Review of Literature and Classification Update

Gupta¹,

Garg²,

Mittal³

2017

TODENTJ

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Introduction:Fibrous dysplasia (FD) is a fibroosseous lesion of the osseous structures of the body. It is not a commonly reported lesion yet it is considered as an important lesion which can affect the maxillofacial region as well. As a result, it can cause deformity of the jaw bones which can further lead to severe facial asymmetry. Craniofacial fibrous dysplasia (CFD) is one of the subtypes of FD that can affect the bones of the craniofacial complex, including the mandible and maxilla. It can also present as facial asymmetry and can be investigated with the help of Maxillofacial Radiology and Imaging. The radiographic findings may vary according to the extent and degree of the disease. Although conventional radiographs provide a good clue regarding the lesion, advanced maxillofacial imaging is capable of providing detailed extent of the disease. Furthermore the classification of CFD is not very clear in the literature. Case Report:This particular paper attempts to document and report the CT appearance of CFD with an attempt to propose a better classification system for the same. Four different patients are reported which presented with FD with involvement of bones of craniofacial region. Working diagnosis of CFD was made with the help of clinical features as well as with radiographic assessment. Advanced imaging included CT scan of the lesions. The article highlights the importance of computed tomography in diagnosis as well as assessment of extent of the disease. Conclusion:It can be concluded that the Dental professionals must be aware regarding the different radiographic appearances of CFD. Advanced imaging modality like CT can provide with exact diagnosis as well as extent of the lesions like FD. Further collaboration of researchers is required to incorporate this proposed change in classification of CFD.

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Postoperative and posttherapeutic changes after primary bone tumors

Grieser¹,

Nöbauer-Huhmann

2017

Radiologe

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Posttreatment imaging of primary bone tumours represents a diagnostic challenge for radiologists. Depending on the primary bone tumour common radiological procedures, such as radiography, computed tomography (CT), and magnetic resonance imaging (MRI), are employed. Radiography and CT are particularly useful in benign bone tumours and in matrix-forming bone tumours. MRI comes into consideration with malignant tumour recurrence and tumoral soft tissue infiltration. Bone scintigraphy is of superior importance if a primarily multifocal manifestation of bone tumour or metastasizing tumour disease is suspected. Molecular imaging (FDG-PET and hybrid imaging, using CT) are gaining increasing importance in light of monitoring neoadjuvant chemotherapy and detecting recurrent tumour appearance. The current literature shows sensitivity and specificity values for recurrent detection of up to 92% and 93%. Diagnostic accuracy is as high as 95%, thus, exceeding accuracy values for CT (67%) and MRI (86%) by far. Likewise, this is also applicable for the assessment of the neoadjuvant chemotherapy. Moreover, PET-based modalities are able to establish prognostic statements using SUV-threshold values at baseline (especially for Ewing sarcomas). Advanced imaging techniques have made a great diagnostic step forward and have proven to be relevant and reproducible with respect to both relapse detection and treatment assessment. Furthermore, it is not clear whether a higher detection rate of early tumour recurrence will inevitably lead to better outcome and survival.

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‘Do not touch’ lesions of the skull base

Cited by 10 publications

References 13 publications

Fibrous dysplasia of the maxillofacial area: a 15-year retrospective study

Fibrous dysplasia of the maxillofacial area: a 15-year retrospective study

Computed Tomography in Craniofacial Fibrous Dysplasia: A Case Series with Review of Literature and Classification Update

Postoperative and posttherapeutic changes after primary bone tumors

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