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Questions about tenosynovial giant cell tumors (TGCTs), including how TGCTs affect the joints and how these tumors are treated.

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QUIZ: Test Your Knowledge About TGCTs
QUIZ: Test Your Knowledge About TGCTs
Question 1 of 8 Correct

TRUE or FALSE: There are the two main subtypes of tenosynovial giant cell tumors?

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The correct answer is: TGCTs are classified into two main subtypes: pigmented villonodular synovitis (PVNS) and giant cell tumor of the tendon sheath (GCTTS). GCTTS is typically localized, while PVNS follows a diffuse growth pattern.

QUIZ: Test Your Knowledge About TGCTs
Question 2 of 8 Correct

What is the most common treatment for TGCTs?

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The correct answer is: Surgery to remove the tumors is the mainstay of treatment for TGCTs, though radiation is sometimes used along with surgery. There is one medication that is approved for treating TGCTs, but it is only used when surgery is not an option and the tumors are causing severe symptoms and impairment.

QUIZ: Test Your Knowledge About TGCTs
Question 3 of 8 Correct

What is the most common age to be diagnosed with TGCTs?

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The correct answer is: Though TGCTs can affect people of any age, certain types are more common in certain age groups. Localized forms of TGCTs are most commonly diagnosed in people in their 40s and 50s. Diffuse forms are more common in people under the age of 40.

QUIZ: Test Your Knowledge About TGCTs
Question 4 of 8 Correct

TRUE or FALSE: Tenosynovial giant cell tumors are rarely cancerous.

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The correct answer is: In the majority of cases, TGCTs are benign. There are cases where a malignant cancer occurs alongside TGCT, or TGCT recurs after treatment in the form of a malignant tumor, but these instances are rare.

QUIZ: Test Your Knowledge About TGCTs
Question 5 of 8 Correct

TRUE or FALSE: The American Academy of Orthopaedic Surgeons has published official surgical guidelines for treating TGCTs.

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The correct answer is: There are no official surgical guidelines for the treatment of TGCTs. Each case of is somewhat unique, and the surgical procedures used will depend on a number of factors, including the type of TGCT, the location, the size of the tumors, and the patient’s overall health.

QUIZ: Test Your Knowledge About TGCTs
Question 6 of 8 Correct

Which if the following is not a type of TGCT:

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The correct answer is: Ganglion cysts are another type of benign tumor that can form on tendons, joints, and even other areas of the body. These tumors can can feel soft or hard and can vary in size.

QUIZ: Test Your Knowledge About TGCTs
Question 7 of 8 Correct

TGCTs can involve which of the following joint tissues:

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The correct answer is: TGCTs can form in the bursa (fluid-filled sacs that pad the joints) and the tendon sheath (a layer of tissue that wraps around the tendon). They can also form in the synovium or synovial membrane, the inner layer of tissue that lines the joint capsule. The joint capsule is a sleeve of dense connective tissue that encapsulates a joint, providing structure and support.

QUIZ: Test Your Knowledge About TGCTs
Question 8 of 8 Correct

It is common for TGCTs to recur after being treated with surgery.

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The correct answer is: TGCTs can recur after surgery, and some people with TGCTs undergo multiple rounds of surgeries to treat the condition. Recurrence is more common in TGCTs that have a diffuse growth pattern, where abnormal growths form in tissues throughout the joint.

QUIZ: Test Your Knowledge About TGCTs
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