13 results
Lupus Nephritis Primer
Class I - Minimal Mesangial
Class II - Mesangial Proliferative
Class Ill - Focal Proliferative
Class IV
Proliferative Class Ill ... Proliferative Class IV - Diffuse ... Lupus #Nephritis #SLE ... #Classification ... #Classes #differential
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Induced Lupus vs SLE ... Epidemiology: -10% of all ... 90% - Low complement ... Discontinuation of causal ... 80% - Low complement
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Differential Diagnosis Algorithm ... Alopecia totalis (all ... Alopecia universalis (all ... Differential #Diagnosis #Algorithm ... #causes
Thrombotic Microangiopathy - TMAs
1. Not all MAHAs are due to TMAs but (almost) all TMAs cause
Not all MAHAs are ... TMAs but (almost) all ... TMAs cause MAHA ... is due to TTP, compliment-mediated ... catastrophic APS, SRC, SLE
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Differential Diagnosis Algorithm ... lymphadenopathy more diffuse ... relapse - Amy ... Lymphoproliferative #Disorders #Classification ... #differential #algorithm
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
anti-Smith Ab, low complements ... Skin Disease Classification ... pneumonitis • Diffuse ... enteropathy, and diffuse ... RNP antibodies, Complement
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... Urticaria and hypocomplementemia ... against MPO • Complement ... vasculitis, and SLE ... #rheumatology #classification
Diffuse Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 • Lupus erythematosus
 • Lichen
Diffuse Hair Loss ... Differential Diagnosis Algorithm ... Alopecia totalis (all ... Alopecia universalis (all ... #causes
Causes of Hyperkalemia
l. Pseudohyperkalemia
  A Cellular efflux; thrombocytosis, erythrocytosis, leukocytosis, in vitro hemolysis
  B.
Causes of Hyperkalemia ... erythematosus (SLE ... Tubulointerstitial diseases: SLE ... High #Potassium #Classification ... #Causes
Scleritis - Scleritis is a rare but emergent cause of a red eye.  It is
rare but emergent cause ... thought to be caused ... up to half of all ... disorder such as IBD, SLE ... three variants: Diffuse