Your diagnosis?
Test your radiological knowledge and diagnose this case!
>>> Thumbnail Gallery
History:
Symptoms, which are mostly seen as an overactivity of the anterior pituitary. (I.e. large size, breast secretions, hypergonadism, hyperthyroidism, and others).
Radiological findings:
:: View MRI 1 in Toolbox ::
Click on the thumbnail to view the image in large
MRI 1:
T1 native - Coronal
Mostly hypointense or not well-marcated (isointense)
:: View MRI 2 in Toolbox ::
Click on the thumbnail to view the image in large
MRI 2:
T1 with contrast - Coronal
After contrast application in the early phase, there is a good hypointense demarcation of the microadenoma, therefore dynamic contrast sequences are of value.
:: View MRI 3 in Toolbox ::
Click on the thumbnail to view the image in large
MRI 3:
T1 with contrast- Sagittal
Posterior pituitary is hyperintense (Signal intensity is dependent on the functionality of the posterior pituitary), the anterior pituitary shows some signal intensity.
:: View MRI 4 in Toolbox ::
Click on the thumbnail to view the image in large
MRI 4:
T2 - Coronal
Rarely hypertense in T2 weighted images. Most often T2-weighted images show no advantage.
One-sided lowering of the sella floor, or lifting of the sella upper wall, asymmetry and/or elongation of the pituitary stalk.
Thumbnail Gallery
Move the mouse-cursor over the thumbnail to read the radiological findings and click on the image to view the image in large.
Click here to read the diagnosis !
Read the complete article
To the next case >>>
|
|
