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Doctor insights on: Thymic Tissue

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Tissue (Definition)

The body is composed of tissue that are classically described as beiing derived from three basic embyonic layers known as the endoderm, mesoderm and ectoderm that then differentiate into the structures that compose the body such as skin, soft tissues, bone, muscle, organs, etc. Stem cells are not differentiated and have the potential to ...Read more


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What r small-volume thymic tissues? Seen n anterior mediastatin. Thank you

What r small-volume thymic tissues?  Seen n anterior mediastatin. Thank you

Normal finding: The thymus gland is found in your mediastinum, it is part of your immune system (it helps with the development of your t-cells). It is larger in youth and diminishes in size with age. This is not a finding that suggests a problem. ...Read more

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Residual thymic tissue mild activity SUV 1.5. On PET Scan normal?

Residual thymic tissue mild activity SUV 1.5. On PET Scan normal?

GoBackToThePetBox: At your age the thymus is considered a residual organ, kind of like your appendix.Now,there are some theories as to its function later in life (an immune function or whatever),but overall it just sits there.Of course,it's made of living tissue so there will be some"activity"in it & rarely,can develop a tumor or infection.But in your case who knows?The people who ordered the test in the first place ...Read more

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PET scan to investigate a Right Hilar enlarged lymph node1.4cmX.9cm Results: residual thymic tissue mild activity SUV 1.5. This normal? I reCT in 4mo

PET scan to investigate a Right Hilar enlarged lymph node1.4cmX.9cm Results: residual thymic tissue mild activity SUV 1.5. This normal? I reCT in 4mo

Possibly: SUV of 1.5 is normal to maybe reactive. This makes it very unlikely to be worrisome. The follow up CT should be improved or no change ...Read more

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What would residual adenopathy or residual thymic tissue mean on CT scan?

What would residual adenopathy or residual thymic tissue mean on CT scan?

Shrunk: The thymus shrinks after puberty and thus is considered residual. The adenopathy (enlarged lymph nodes) has shrunk or resolved after a recent infection or whatever process which had caused it. ...Read more

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My recent CT scan showed residual thymic tissue with no mediastinal adenopathy present. What does this mean and should I be concerned?

My recent  CT scan showed residual thymic tissue  with no mediastinal adenopathy present. What does this mean and should I be concerned?

Usually OK, chemo?: Thymic tissue can be more prominent in the chest in patients who have had chemotherapy and are now "on the mend". It usually has a different appearance than adenopathy. Check with your doctor to be sure. ...Read more

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CT scan shows "greater prominence of triangular soft tissue in anterior-superior mediastinum suggestive of reactive thymic tissue" Concerned?

CT scan shows "greater prominence of triangular soft tissue in anterior-superior mediastinum suggestive of reactive thymic tissue" Concerned?

May not be: The only concern would be if this a thymoma. This is something to evaluate by your physician. It can be associated with other medical problems and rarely can be malignant ...Read more

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Is it normal to have CT scan say stable increased lobulated density in anterior superior mediastinum may represent residual disease vs thymic tissue?

Is it normal to have CT scan say stable increased lobulated density in anterior superior mediastinum may represent residual disease vs thymic tissue?

Mediastinum: Of course it depends on many factors. It's normal to see thymic tissue until early 20s is seen in fewer than 50% of people over 40. This density can be possibly be anything including normal, reaction to infection, thymic cysts, or hyperplasia from systemic disease. Fortunately it is stable, but a conversation with your doc and radiologist would be the best thing moving forward. ...Read more