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1.
Dentomaxillofac Radiol ; 39(7): 449-53, 2010 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-20841465

RESUMO

Ameloblastic carcinoma is a very rare malignant odontogenic tumour with characteristic histopathological and clinical features, which requires aggressive surgical treatment and surveillance and, therefore, differs from ameloblastoma. Metastasis typically occurs in the lung. Only one patient with metastasis to the skull has previously been described and no prior case reports have presented MRI and positron emission tomography-CT (PET-CT) imaging findings. We describe a case of ameloblastic carcinoma with metastasis to the skull and lung with emphasis on imaging features including MRI and PET-CT.


Assuntos
Neoplasias Mandibulares/patologia , Tumores Odontogênicos/patologia , Adolescente , Fluordesoxiglucose F18 , Humanos , Neoplasias Pulmonares/secundário , Imageamento por Ressonância Magnética , Masculino , Neoplasias Mandibulares/diagnóstico por imagem , Tumores Odontogênicos/diagnóstico por imagem , Tumores Odontogênicos/secundário , Tomografia por Emissão de Pósitrons , Compostos Radiofarmacêuticos , Neoplasias Cranianas/secundário , Tomografia Computadorizada por Raios X
2.
Clin Radiol ; 65(5): 408-20, 2010 May.
Artigo em Inglês | MEDLINE | ID: mdl-20380942

RESUMO

Follicular non-Hodgkin's lymphoma (NHL) is a unique subtype of NHL, which is indolent, incurable with a high prevalence of residual mass after treatment, and may transform to more aggressive NHL. The aim of this review is to (1) describe the histological and flow cytometry characteristics of follicular NHL; (2) introduce the Follicular Lymphoma International Prognostic Index 2 (FLIPI-2), which allows better treatment selection and patient stratification for clinical trials; (3) illustrate the classic and atypical ultrasound, computed tomography (CT), magnetic resonance imaging (MRI), and positron-emission tomography (PET)/CT appearance of follicular NHL; and (4) characterize the appearance of nodal and extranodal follicular NHL with pathological correlation. Imaging is essential in every step of the management of patients with follicular lymphoma. Overall survival is improved with better predictive tools and new targeted biological therapies. Radiologists should be aware of possible active residual mass, indolent recurrence, transformation, and association with other primary cancers in patients treated for follicular lymphoma.


Assuntos
Diagnóstico por Imagem/métodos , Linfoma Folicular/diagnóstico , Adulto , Idoso , Transformação Celular Neoplásica/patologia , Feminino , Humanos , Linfoma Folicular/patologia , Linfoma Folicular/terapia , Masculino , Pessoa de Meia-Idade , Recidiva Local de Neoplasia/diagnóstico , Recidiva Local de Neoplasia/patologia , Estadiamento de Neoplasias/métodos , Neoplasia Residual , Segunda Neoplasia Primária/diagnóstico , Segunda Neoplasia Primária/patologia , Prognóstico
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