Podcast
Questions and Answers
On MR images, how do ganglia typically appear?
On MR images, how do ganglia typically appear?
- Fluffy masses with necrotic centers
- Tubular masses with calcifications
- Irregular masses with spiculated margins
- Round or ovoid masses that are uni- or multiloculated (correct)
What is the typical signal intensity of ganglia on T2-weighted MR images?
What is the typical signal intensity of ganglia on T2-weighted MR images?
- Isointense
- Hypointense
- Hyperintense (correct)
- Mixed signal intensity
Which of the following imaging modalities is most useful in detecting periosteal reaction?
Which of the following imaging modalities is most useful in detecting periosteal reaction?
- T2-weighted MRI
- Non-contrast CT (correct)
- Ultrasound
- Fat-suppressed T1-weighted MRI
What is a common symptom that can arise from ganglia?
What is a common symptom that can arise from ganglia?
Phleboliths are commonly associated with which type of lesion?
Phleboliths are commonly associated with which type of lesion?
What is the most likely cause of a hypointense mass on T2-weighted MR images?
What is the most likely cause of a hypointense mass on T2-weighted MR images?
Which of the following conditions is associated with masses containing large amounts of hemosiderin?
Which of the following conditions is associated with masses containing large amounts of hemosiderin?
What type of lesion can range from fibrotic scars to fibromas and some fibrosarcomas?
What type of lesion can range from fibrotic scars to fibromas and some fibrosarcomas?
Which type of masses can be associated with plantar fibroma?
Which type of masses can be associated with plantar fibroma?
What is the significance of evaluating suppression on fat-suppressed T1-weighted images when a mass has areas of hyperintense T1 signal?
What is the significance of evaluating suppression on fat-suppressed T1-weighted images when a mass has areas of hyperintense T1 signal?
What is a common substance that appears hypointense on T2-weighted MR images?
What is a common substance that appears hypointense on T2-weighted MR images?
What conditions may be considered if a lesion does not lose signal intensity on fat-suppressed T1-weighted MR images?
What conditions may be considered if a lesion does not lose signal intensity on fat-suppressed T1-weighted MR images?
What is the most likely diagnosis if a mass with areas of hyperintense T1 signal is found to contain fat?
What is the most likely diagnosis if a mass with areas of hyperintense T1 signal is found to contain fat?
What is the substance that can cause T1 shortening in lesions that do not lose signal intensity on fat-suppressed T1-weighted MR images?
What is the substance that can cause T1 shortening in lesions that do not lose signal intensity on fat-suppressed T1-weighted MR images?
Which of the following conditions is most likely if a patient presents with high T1 signal intensity mass and a history of melanoma?
Which of the following conditions is most likely if a patient presents with high T1 signal intensity mass and a history of melanoma?
What type of MR imaging sequence is best suited for highlighting areas of increased edema within and around a soft tissue mass?
What type of MR imaging sequence is best suited for highlighting areas of increased edema within and around a soft tissue mass?
Which MRI technique is useful for assessing the presence of hemosiderin in soft tissue masses?
Which MRI technique is useful for assessing the presence of hemosiderin in soft tissue masses?
What is the purpose of using an intravenous contrast agent in MR imaging of soft tissue masses?
What is the purpose of using an intravenous contrast agent in MR imaging of soft tissue masses?
Which type of calcifications are typically seen on anteroposterior radiographs surrounding a metatarsal shaft?
Which type of calcifications are typically seen on anteroposterior radiographs surrounding a metatarsal shaft?
What is the main purpose of a fat-suppressed T1-weighted sequence in MR imaging?
What is the main purpose of a fat-suppressed T1-weighted sequence in MR imaging?
What imaging finding favors a diagnosis of well-differentiated liposarcoma over a benign lipoma?
What imaging finding favors a diagnosis of well-differentiated liposarcoma over a benign lipoma?
Which of the following can be typically seen in hemangiomas on radiographs or CT images?
Which of the following can be typically seen in hemangiomas on radiographs or CT images?
What is a possible manifestation of hemangiomas clinically?
What is a possible manifestation of hemangiomas clinically?
Which imaging finding can help in characterizing phleboliths?
Which imaging finding can help in characterizing phleboliths?
What can be observed in areas of slow flow in hemangiomas on MR images?
What can be observed in areas of slow flow in hemangiomas on MR images?
What is the typical MR appearance of early-stage myositis ossificans?
What is the typical MR appearance of early-stage myositis ossificans?
How does calcification typically progress in a myositis ossificans lesion?
How does calcification typically progress in a myositis ossificans lesion?
Which imaging finding can early-stage myositis ossificans be mistaken for?
Which imaging finding can early-stage myositis ossificans be mistaken for?
What symptoms may be associated with myositis ossificans?
What symptoms may be associated with myositis ossificans?
How does a mature myositis ossificans lesion appear on MRI?
How does a mature myositis ossificans lesion appear on MRI?
What type of artifact is highlighted in the MR image?
What type of artifact is highlighted in the MR image?
Which type of lesion can appear T2 hyperintense but is not necessarily fluid-filled?
Which type of lesion can appear T2 hyperintense but is not necessarily fluid-filled?
What is an important step to distinguish true cysts from solid lesions?
What is an important step to distinguish true cysts from solid lesions?
Which soft tissue tumor is the most common?
Which soft tissue tumor is the most common?
How is the classic lipoma described in terms of composition?
How is the classic lipoma described in terms of composition?
Which imaging modality shows the lipoma as radiolucent and isointense relative to subcutaneous fat?
Which imaging modality shows the lipoma as radiolucent and isointense relative to subcutaneous fat?
Which lesion type may show blooming artifact on T2*-weighted gradient-echo MR images?
Which lesion type may show blooming artifact on T2*-weighted gradient-echo MR images?
'Uniformly hyperintense lesion with signal intensity identical to subcutaneous fat' is seen on which MR image sequence?
'Uniformly hyperintense lesion with signal intensity identical to subcutaneous fat' is seen on which MR image sequence?
