18 Questions
Why is MRI necessary for staging in primary lymphoma of bone?
To determine the true size and extent of the lesion
What is a unique feature of lymphoma lesions on bone scanning?
Increased tracer uptake
What is a common complication that may require surgical intervention?
Pathologic fractures
What is a characteristic of lesions that have responded to treatment?
They become sclerotic
What is the prognosis for metastatic non-Hodgkin lymphoma to bone?
Poor prognosis
What is a common site for metastases in primary lymphoma of bone?
Lymph nodes
What is the typical age range for the initial presentation of primary lymphoma of bone?
30-60 years
Which of the following is a characteristic feature of primary lymphoma of bone on imaging?
Subtle permeative pattern or cortical thickening
What is the most common location of primary lymphoma of bone?
Femur, tibia, and humerus
What is the percentages of cortical destruction seen in primary lymphoma of bone?
28% of cases
What is the typical pattern of tumor extension in primary lymphoma of bone?
Through small cortical channels
What is the differential diagnosis for primary lymphoma of bone?
Extraosseus lymphoma metastatic to bone
What is the most common age range for initial presentation of primary lymphoma of bone?
30-60 years
In which sites does the lesion tend to arise?
Appendicular central diaphyseal or metadiaphyseal sites
What is the characteristic appearance of primary lymphoma of bone on imaging?
Lytic, moth-eaten or permeative
What is a common pattern seen on MRI in primary lymphoma of bone?
Diffuse marrow infiltration
Why is CT or MRI necessary for staging in primary lymphoma of bone?
To determine the true size and extent of the lesion
What is a characteristic feature of lymphoma lesions on bone scanning?
Increased tracer uptake
Learn about primary lymphoma of bone, a rare type of lymphoma that requires distinct treatment and prognosis from secondary osseous involvement. Understand its presentation, age range, and polyostotic or monostotic initial manifestation.
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