Plasma cell dyscrasias Flashcards

1
Q
  • Clinical presentation of Waldenstrom Macroglobulinemia?

- Dx?

A

Waldenström macroglobulinemia is an indolent B-cell lymphoma with clonal lymphoplasmacytic infiltration of the bone marrow that secretes IgM in the blood
- lymphadenopathy, hepatomegaly, splenomegaly
- hyperviscosity symptoms: headache, blurry vision, hearing loss, dizziness. AMS, nasal/mucosal bleeding –> a medical emergency, treat with plasmapheresis
Dx - bone marrow biopsy

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2
Q

Immune thrombocytopenic purpura can be idiopathic, triggered by medications, or associated with other disorders, such as?

A

systemic lupus erythematosus, chronic lymphocytic leukemia, lymphoma, HIV, hepatitis C, or Helicobacter pylori infection
**Antiplatelet antibody testing is not recommended because of low sensitivity and specificity, and this test should not be performed in the evaluation of thrombocytopenia.

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