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Radiol. bras ; 44(6): 401-402, nov.-dez. 2011. ilus
Article in Portuguese | LILACS | ID: lil-611523

ABSTRACT

Hemangioma de mama é um tumor benigno raro que apresenta pouca ou nenhuma captação de 18F-flúor-2-deoxi-Dglicose (FDG) na tomografia por emissão de pósitrons (PET). Relatamos um nódulo mamário compatível, patologicamente, com hemangioma, em uma mulher cuja PET scan demonstrou captação elevada de FDG (simulando tumor maligno). Também fizemos breve revisão das causas que levam a resultados falso-positivos e falso-negativos pela PET.


Breast hemangioma is a rare benign tumor that presents either absent or low 18F-fluoro-2-deoxy-D-glucose (FDG) uptake at positron emission tomography (PET). The authors report the case of a breast nodule pathologically compatible with hemangioma in a woman whose PET-scan has demonstrated increased FDG uptake (simulating a malignant tumor). A brief review of factors leading to false positive and false negative PET results is also undertaken.


Subject(s)
Humans , Female , Middle Aged , Breast , Breast Neoplasms , Diagnostic Techniques and Procedures , Hemangioma, Capillary , False Negative Reactions , False Positive Reactions , Mammography , Positron-Emission Tomography , Sensitivity and Specificity
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