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skonys
@jurrutia
A - Type 1 = Allergic/Anaphlaxis
C - Type 2 = Cytotoxic (Anti-body)
I - Type 3 = Immune-Complex mediated cytotoxicity
D - Type 4 = Delayed type (which I dont like because it doesn't actually tell you anything really)
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liverdietrying
It's lupus, all the symptoms listed are classic especially the serositis. Anterior chamber of the eye = uveitis. Choroid plexus = cerebritis.
For a great overview, check out this (free) video: https://onlinemeded.org/spa/rheumatology/lupus/acquire
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in_a_pass_life
I think this was reactive arthritis, not lupus. Choroid plexus not just in the brain, also in eye (canโt see, canโt pee, canโt climb a tree). Mechanism of reactive arthritis is immune complex deposition, per UWorld, which was correct answer.
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medulla
every time I read about Lupus there is something new!!
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aakb
woman of child bearing age + serositis + arthralgias/arthritis >=2
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aakb
kidney issues (main cause of death in sle)
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drzed
Need some pulmonary symptoms to make sarcoid convincing. I know in real life people can present with primary neurosarcoid or something crazy but on exams, it'll be classic presentation. No granulomas, hilar lympadenopathy, or interstitial lung disease = probably not sarcoid
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peridot
Just curious but if it had been sarcoidosis, would "systemic release of IL-1 and TNF" be an accurate description for the pathogenesis?
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seracen
I usually look for the hilar manifestation, when considering sarcoidosis, or the skin manifestations. Personally, I thought Sjogren's when I read this.
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peridot
@seracen I can see why you thought Sjogren, but I think Sjogren would have more emphasis on dryness of mucus membranes and eyes (technically the question stem does say "anterior chamber of the eye", but Sjogren is more like the surface of the eye so "anterior chamber" is a weird way to put it - usually that refers more to uveitis). Also, choroid plexus (whether that refers to eye or brain... tbh idk about that yet), but either way, doesn't really fit Sjogren. Kidney involvement is also rather rare with that I believe.
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submitted by โwelpdedelp(270)
This was SLE. https://step1.medbullets.com/msk/112039/systemic-lupus-erythematosus
Think: 1,2,3= S-L-E
Using ACID: Type III is for Immune Complexes