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Detection of Residual or Recurrent Disease in Cancer Treatment

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Detection of Residual or Recurrent Disease in Cancer Treatment

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Questions and Answers

What is the challenge faced by MRI and CT scans in differentiating?

inflammatory responses from tumor recurrence

cancer stem cells from normal cells

post-therapy changes from residual viable tumor tissue (correct)

benign tumors from malignant tumors

What is the role of radiopharmaceuticals in different malignancies?

to differentiate benign from malignant tumors

to treat cancer

to detect recurrence (correct)

to diagnose cancer

What is the advantage of PET scans over CT or MRI?

less radiation exposure

higher spatial resolution

ability to differentiate tumor recurrence from necrosis (correct)

better soft tissue contrast

What is shown in the follow-up F-18-FDG-PET/CT study?

recurrent tumor at multiple lymph nodes and spleen Signup and view all the answers

What is the age of the patient in the F-18-FDG-PET/CT study?

21 years old Signup and view all the answers

What is the primary purpose of using PET scans in cancer treatment?

To differentiate between tumor recurrence and necrosis Signup and view all the answers

What is the limitation of MRI and CT scans in detecting residual or recurrent disease?

Difficulty in differentiating between tumor recurrence and necrosis Signup and view all the answers

What is the benefit of using F-18-FDG-PET/CT studies in Hodgkin's lymphoma?

Differentiation between tumor recurrence and necrosis Signup and view all the answers

What is the role of radiopharmaceuticals in cancer treatment?

To play an important role in different malignancies Signup and view all the answers

Why are PET scans helpful in cancer treatment?

They help differentiate between tumor recurrence and necrosis Signup and view all the answers

What is the main reason why PET scans are used in cancer treatment?

To differentiate between residual viable tumor tissue and necrosis Signup and view all the answers

What is the significance of radiopharmaceuticals in cancer treatment?

They play a crucial role in detecting recurrence in different malignancies Signup and view all the answers

Why are PET scans preferred over CT or MRI scans in certain cases?

They are better at detecting tumor recurrence in certain types of cancer Signup and view all the answers

What is the main advantage of using F-18-FDG-PET/CT studies in cancer treatment?