NBME 20 Answers : Block 2 : #21 = A 25-year-old woman comes to the physician 2 days ...

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NBME 20 Answers

nbme20/Block 2/Question#21

A 25-year-old woman comes to the physician 2 days ...

Granulomas containing stellate microabscesses

+4 upvote downvote
submitted by sympathetikey(353),

Choice A. would have been correct if this patient was immunocompromised. Per First Aid, "If CD4 <100, Bartonella...Findings: Neutrophilic Inflammation.

However, as this patient has a competent immune system, buzz words are stellate necrotizing granulomas.

yotsubato Everyones choice A is different. +

sugaplum they mean- Diffuse neutrophil infiltration +

macrohphage95 what does stellate necrotizng granuloma means ? +

krisgsxr600 always with the details! losing dumb points :( +1

futuredoc12345 @sympathetikey Doesn't the biopsy finding vary with the biopsy location: Lymph nodes have stellate granulomas and Bacillary Angiomatosis (skin lesion) has neutrophilic inflammation. What do you think? +

+2 upvote downvote
submitted by sugaplum(56),

B Hensele- Cat Scratch in immuno-compotent - http://www.pathologyoutlines.com/topic/lymphnodescatscratch.html Bartonella henselae in Immuno-compromised- Baciliary angiomatotsis Looks like kaposi sarcoma "Diffuse neutrophilic infiltrate" FA 2019 177

+1 upvote downvote
submitted by neonem(278),

Cat scratch disease (Bartonella infection in immunocompetent hosts) causes lymphadenitis (especially in the axillary region) characterized by sarcoid-like non-caseating granulomas filled with neutrophils.