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Radiografía PA de tórax de una mujer de 73 años.
- ¿Qué signos radiológicos reconoces?
- ¿Dónde localizarías la lesión?

#xray #radiology #radtwitter #RadRes #HUNSC #chest Image
Signos radiológicos:

-Hilio oculto
-La lesión no puede estar localizada en el mediastino medio, tiene que estar en mediastino anterior o posterior
Signo radiológico localizador
Dos estructuras con la misma densidad radiológica que entran en contacto no se distinguen en la radiografía (signo de la silueta)
Dos estructuras con la misma densidad radiológica en distintos planos son distinguibles en la radiografía.
Read 9 tweets
#FOAMrad #neurorad #radres #radmed #HUNSC #daybydaycases #radiology #MedEd
One patient/two sides……and two pathologies.
From left to right axial FLAIR, coronal T2 and axial T1 MRI
Right side:
Parasagital meningioma with vasogenic edema
From left to right: coronal T2, enhanced T1 and DWI.
Left side :
Progressive Multifocal Leukoencephalopathy (PML)
From Left: FLAIR, DWI and enhanced T1 MRI
Read 6 tweets
#FOAMrad #neurorad #HUNSC #daybydaycases
Two patients with a similar clinical profile: elderly men with prostatic adenocarcinoma.
Similar neuroimaging pattern: dural base lesion with intense enhancement and vasogenic edema.
But with different etiology .....
A: Meningioma
B: Dural metastases (DM)
DM in isolation is rare, comprising <1% of all intracranial metastases, and most commonly originates from renal, lung, and breast cancer, as well as carcinoid, adenoid cystic carcinoma, prostatic adenocarcinoma (PCa), and dermatofibrosarcoma
Transdural metastases may mimick meningiomas in radiologic imaging, especially in patients with undiagnosed symptoms of prostatism or PCa.
In older men with dural lesion(s), a possibility of PCa metastases must be considered and radiologic evaluation
Read 4 tweets

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