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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Does Probable Etiology Includes A Benign Mediastinal Cyst Such As An Esophageal Duplication Cyst Indicate?

I had an MRI for my complete spine- on the MRI showed a cyst in the chest. Here is the MRI results regarding the cyst: There is a lesion seen within the mediastinum which abuts the left postrolateral aspect of the esophagus measuring 1.2 x 1.1 cm which also abuts the posterior margin of the left subclavian artery which demonstrates hyperintense T2 signal and hypointense T1 signal. Probable etology includes a bengin mediastinal cyst such as an esophageal duplication cyst. Post-contrast imaging of this lesion could be performed to ensure lack of enhancement.

I go in a week for a CT scan w/ contrast- is this the contrast imaging they are talking about? If this lesion is not cancerous does it need to be removed? And last question- where is this cyst located is it by the aorta?
Mon, 29 Sep 2014
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Radiologist,  's  Response
Hi,
Thanks for writing in.

The cyst in chest seen on MRI measures 1.2 x 1.1 cm and right next to the esophagus. This points to the probablility of an esophageal cyst and contains mainly fluid (hyperintense of T 2 and hypo intense on T 1). Since it is also near the subclavian artery, the doctor wants to rule out any blood containing structures in the cyst. This is confirmed by CT scan and the contrast in question is CT contrast if you are scheduled to get it done. If this is causing pressure over surrounding structures and growing in size then removal by surgery is essential. It can be observed for 6 months to a year before any surgery is thought of. The cyst is located above the aorta and between the subclavian (branch of aorta) and esophagus.
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What Does Probable Etiology Includes A Benign Mediastinal Cyst Such As An Esophageal Duplication Cyst Indicate?

Hi, Thanks for writing in. The cyst in chest seen on MRI measures 1.2 x 1.1 cm and right next to the esophagus. This points to the probablility of an esophageal cyst and contains mainly fluid (hyperintense of T 2 and hypo intense on T 1). Since it is also near the subclavian artery, the doctor wants to rule out any blood containing structures in the cyst. This is confirmed by CT scan and the contrast in question is CT contrast if you are scheduled to get it done. If this is causing pressure over surrounding structures and growing in size then removal by surgery is essential. It can be observed for 6 months to a year before any surgery is thought of. The cyst is located above the aorta and between the subclavian (branch of aorta) and esophagus.