Lymphadenopathy Differential Diagnosis Quiz
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Questions and Answers

Which of the following is a potential cause of lymphadenopathy in the axilla?

  • Preauricular nodes
  • Posterior cervical nodes
  • Thyroid/laryngeal disease
  • Silicone breast implants (correct)
  • What is a common malignancy that can metastasize to the axilla?

  • Colorectal cancer
  • Pancreatic cancer
  • Skin cancer
  • Breast cancer (correct)
  • In the context of lymphadenopathy, absence of an infectious source or traumatic lesions can be suggestive of which malignant condition?

  • Hodgkin lymphoma (correct)
  • Sporotrichosis
  • Tularemia
  • Cat-scratch disease
  • What is a potential differential diagnosis for lymphadenopathy associated with submandibular nodes?

    <p>Mycobacterial/fungal infections</p> Signup and view all the answers

    Which type of cancer is NOT mentioned as a malignancy that can metastasize to the axilla?

    <p>Thyroid cancer</p> Signup and view all the answers

    Which of the following lymph node qualities is associated with reactive lymphadenopathy from a viral infection?

    <p>Shotty lymphadenopathy</p> Signup and view all the answers

    What characteristic is suggestive of malignancy in a lymph node?

    <p>Painless and hard</p> Signup and view all the answers

    In head and neck lymphadenopathy, which area is commonly associated with infection?

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

    What type of lymphadenopathy is described by having multiple small lymph nodes that feel like 'buck shots' under the skin?

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

    Which characteristic of lymphadenopathy is generally unable to reliably predict malignancy?

    <p>Mobile and fluctuant</p> Signup and view all the answers

    What can painful or tender lymphadenopathy represent besides possible inflammation caused by infection?

    <p>Hemorrhage into a node</p> Signup and view all the answers

    Which type of malignancy is NOT typically found in the inguinal region?

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

    What is a common etiology for inguinal lymphadenopathy?

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

    What structures do the anterior cervical nodes drain?

    <p>Larynx, tongue, oropharynx, anterior neck</p> Signup and view all the answers

    What factor increases the likelihood of inguinal lymphadenopathy in healthy adults?

    <p>Walking outdoors barefoot, especially in tropical regions</p> Signup and view all the answers

    Which structure drains into the inguinal lymphatics?

    <p>Anal canal</p> Signup and view all the answers

    Which condition is highly suspicious for when presenting with infraclavicular nodes?

    <p>Non-Hodgkin lymphoma</p> Signup and view all the answers

    What structures do the axillary nodes drain?

    <p>Breast, upper extremity, thoracic wall</p> Signup and view all the answers

    What is a potential cause of inguinal lymphadenopathy unrelated to infections?

    <p>Skin neoplasms</p> Signup and view all the answers

    What is the differential diagnosis for epitrochlear lymphadenopathy?

    <p>Skin infections, lymphomas, and skin malignancies</p> Signup and view all the answers

    Which sexually transmitted infection is NOT commonly associated with inguinal lymphadenopathy?

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

    What does epitrochlear lymphadenopathy greater than 5 mm usually suggest?

    <p>Lymphoma or melanoma</p> Signup and view all the answers

    What can cause axillary lymphadenopathy due to an inflammatory reaction to silicone particles?

    <p>Implant leakage</p> Signup and view all the answers

    What is the significance of lymphadenopathy lasting less than two weeks or greater than 12 months without change in size in adults and children?

    <p>Low likelihood of being neoplastic</p> Signup and view all the answers

    Which age group is more likely to have palpable lymph nodes at any one time?

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

    What should be reviewed in terms of exposures when investigating lymphadenopathy?

    <p>Chronic medication use</p> Signup and view all the answers

    What type of lymphoma might show exceptions to the typical duration guidelines for neoplastic lymphadenopathy?

    <p>Low-grade Hodgkin lymphoma</p> Signup and view all the answers

    In which age group is most lymphadenopathy benign or infectious in etiology?

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

    What is the significance of associated systemic symptoms in low-grade Hodgkin lymphomas and indolent nonHodgkin lymphoma?

    <p>They might not exhibit associated systemic symptoms</p> Signup and view all the answers

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