Doctor insights on:
Pet Ct Lymphoma Initial Staging
Could I have gotten a GI or lymphoma cancer from 3 abdominal, 1 head and 1 chest CT from '09 until '12?
Very unlikely: The radiation doses from those exams is quite low compared to the radiation we are all exposed to in our daily lives, from the sun, the air, our water and the earth. In addition, tumors that are typically attributed to radiation take many years to become apparent. ...Read moreSee 1 more doctor answer
Many diseases have specific treatments based on their severity. A disease can have certain criteria to determine their severity and applying this criteria to determine how advanced the disease state is called staging. Most commonly this is applied to cancer, and be determining how far the cancer has spread locally and/or to distant sites a stage of cancer can be ...Read more
PET/CT staging: Lymphoma is diagnosed by the microscopic appearance of a tumor biopsy. It is further classified by studies of the expression of molecules on the surface of tumor cells (e.g. with antibody staining) and by tumor gene mutation studies. PET/CT on the other hand, is used to determine the "stage" of the disease, meaning its location and how widespread it is. Both are important for optimal treatment. ...Read moreSee 2 more doctor answers
Both: The actual diagnosis of lymphoma requires tissue, usually excisional biopsy of an entire lymph node. Staging to see where other sites of disease could be is done with a combined PET/CT. The staging used to matter more many years ago when they would often give XRT or do surgery, it doesn't matter as much as it used to because almost everybody gets systemic chemotherapy for both Hodkins and non H ...Read more
My pet-ct scan for hotpshkins lymphoma came up with increased metabolic activity around brown fat in base of neck, should I be concerned?
No: Brown fat is metabolically active in order generates heat, and for this reason more likely to be active during the winter months. Since brown fat uses more glucose than normal fat, it lights up on a FDG pet. Correlation of pet images with the ct portion of the exam can easily identify the active regions as fat rather than lymph nodes or tumor. Typical location is around the clavicles. ...Read moreSee 2 more doctor answers
How often does a "retroperitoneal attenuation" (found on CT urogram) turn out to be lymphoma? My dad is being tested for this. PET scan next. Worried.
Not often: Retro peritoneal attenuation is and unusual term on ct. CT is usually very good at detecting enlarged lymph nodes of lymphoma . And understand that not all lymphomas will be best seen with PET. Also not every positive PET CT is cancer. There are other disease entities that are positve on PET. Talk honestly with the doctor to wxplain the results ...Read more
Could splenic lymphoma exist even with Negative Bone marrow biopsy & negative PET/CT , but splenomegaly occur? other causes has ruled out.
Yes/No: Lymphoma can ,on rare occasions, involve spleen alone, sparing all other organs. But PET will show increased uptake(high SUV) and CT would show enlargement of Spleen. So depending on your symptoms and the degree of enlargment of your spleen, your doctor may, somewhere along the line, consider removal of the spleen(splenectomy). But this step would only be taken if your spleen is causing U any harm ...Read more
I have a 3cm ant medistinum mass, weight loss and a cough. Can it be lymphoma or can doctors tell if it's thymoma? Pet and CT scan were inconclusive.
Ct uses xrays taken an 360 degrees combined with a computer to see"inside" the body. The table moves as the xray tube and detectors spin around the patient 10 times a second or more! the image shows excellent soft tissue detail, enhanced with injection of intravenous contrast or oral contrast. This way the body is shown in slices, in any plane, usually axially, but ...Read more
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