Foot and Ankle Tumors Assessment
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Questions and Answers

What is a key advantage of utilizing DUAL ENERGY CT imaging?

  • It provides excellent soft tissue contrast
  • It allows for detailed 3-d reconstruction of soft tissue masses
  • It distinguishes monosodium urate from bone based on radiographic uptake (correct)
  • It uses magnetic resonance to enhance imaging quality
  • In MRI, which phase generally provides better detail about the soft tissue mass?

  • T3 phase
  • T2 phase
  • T1 phase (correct)
  • Injectable contrast phase
  • What advantage does knowledge of the exact mass location from pre-MRI exams offer?

  • It enables utilization of dual-energy imaging
  • Allows for use of a smaller field of view leading to a more detailed image (correct)
  • It improves the 3-d reconstruction process
  • Enhances the soft tissue contrast in the MRI
  • Which imaging technique involves taking 'slices' of anatomy in cardinal planes?

    <p>Magnetic resonance imaging</p> Signup and view all the answers

    What is a significant limitation in observing anatomical landmarks in some MRI and CT images?

    <p>'Slices' not showing clear anatomy</p> Signup and view all the answers

    Why is the relationship between Ledderhose disease tumor and palmar aponeurosis difficult to see in transverse plane view?

    <p>'Slices' not showing anatomical landmarks clearly</p> Signup and view all the answers

    What is a common mistake that patients may make when correlating symptoms with tumor presentation?

    <p>Attributing new pains to muscle weakness</p> Signup and view all the answers

    Why is it important to ask about past medical history and family history when examining lesions?

    <p>To identify patients at risk for metastases to the foot and ankle</p> Signup and view all the answers

    How can the texture of a lesion be described if it feels like many lumps coalesced together?

    <p>Lobulated</p> Signup and view all the answers

    What is a characteristic feature of benign lesions in terms of dimensions?

    <p>Less than 3cm in diameter</p> Signup and view all the answers

    Why is it significant to determine if a lesion is near joints or tendons during a physical examination?

    <p>To differentiate between benign and malignant lesions</p> Signup and view all the answers

    Why is it important to try to mobilize a lesion during a physical examination?

    <p>To understand if the lesion is bound to the skin or bone</p> Signup and view all the answers

    What is the most common pediatric soft tissue tumor?

    <p>Capillary hemangioma</p> Signup and view all the answers

    What imaging technique shows a characteristic 'bag of worms' appearance for hemangiomas?

    <p>MRI</p> Signup and view all the answers

    Which medication is often used for infantile hemangioma treatment?

    <p>Beta blockers</p> Signup and view all the answers

    What is the characteristic texture of hemangiomas?

    <p>Rubbery</p> Signup and view all the answers

    What is a key feature of capillary hemangiomas that distinguishes them from other types?

    <p>They are tightly packed small capillaries</p> Signup and view all the answers

    What type of tumor arises from the glomus body in the dermis?

    <p>Glomus tumor</p> Signup and view all the answers

    What diagnostic tool is often the most useful for in-office identification of ganglion cysts in the foot and ankle?

    <p>Ultrasound</p> Signup and view all the answers

    Which soft tissue tumor is characterized by being hypointense on T1 weighted MRI and hyperintense on T2 weighted MRI?

    <p>Lipoma</p> Signup and view all the answers

    What is a common age range for the occurrence of mucoid cysts in adults?

    <p>50-70 years</p> Signup and view all the answers

    Which soft tissue mass can occur anywhere in the body where fat cells are present?

    <p>Lipoma</p> Signup and view all the answers

    What distinguishes deep fibromatosis from superficial fibromatosis?

    <p>Aggressiveness and depth of tissue involvement</p> Signup and view all the answers

    Which soft tissue mass is more likely to recur after excision compared to others?

    <p>Fibroma</p> Signup and view all the answers

    What clinical feature would make mucoid cysts more typical on the fingers?

    <p>Grooving or split nail</p> Signup and view all the answers

    What is NOT recommended for suspected malignancy?

    <p>Excisional biopsy</p> Signup and view all the answers

    What is the 'gold standard' for diagnosing soft tissue tumors?

    <p>Incisional biopsy</p> Signup and view all the answers

    Which biopsy type involves aspiration of fluid contents of a cystic lesion?

    <p>Fine needle biopsy</p> Signup and view all the answers

    What should be avoided during both excisional and incisional biopsies to prevent complications?

    <p>Bleeding that may carry tumor cells</p> Signup and view all the answers

    Which type of needle biopsy involves removing a 'core' of tissue for improved accuracy?

    <p>Core needle biopsy</p> Signup and view all the answers

    What is a common complication of incisional biopsies?

    <p>Hematoma</p> Signup and view all the answers

    'Needle biopsies' are more useful for which type of lesions?

    <p>Fluid-filled lesions</p> Signup and view all the answers

    'Open biopsies' are more likely to lead to what compared to on-site biopsies?

    <p>Misdiagnoses, delays, and poor outcomes</p> Signup and view all the answers

    What should a 'biopsy site' align with for proper removal during surgery?

    <p>Surgical incision</p> Signup and view all the answers

    What is recommended for presumed benign lesions with symptoms?

    <p>Excisional biopsy</p> Signup and view all the answers

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