11 results
A System for Vasculitides 

#Diagnosis #IM #Rheum #Vasculitis #Small #Medium #Large #Vessel #Size #Classification #ANCA #Differential
Large #Vessel #Size ... #Classification ... #ANCA #Differential ... #Algorithm #Ddxof
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... Associated - ANCA ... Hydralazine-Induced ANCA-Associated ... Findings by Vessel Size ... #rheumatology #classification
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Glomerulonephritis • With associated ... (C-ANCA): GPA > ... (P-ANCA): eGPA, ... Glomerulonephritis #Vasculitis #differential ... #diagnosis #algorithm
ANCA-Associated Vasculitis
There are many definitions, but most come down to the presence of granulomas (pathologically or
ANCA-Associated ... StanfordChiefs #ANCA ... #Vasculitis #differential ... #diagnosis #algorithm
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Classification of ... small vessels - ANCA-associated ... dermatomyositis #Size ... #Classification
Vasculitis - Break down based on vessel size 
Distribution of vessel involvement by large vessel vasculitis,
based on vessel size ... can affect any size ... basement membrane; ANCA ... #Rheumatology #Differential ... Medium #Large #Classification
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Lymphoproliferative Disorders - Differential ... Diagnosis Algorithm ... usually at a single site ... Lymphoproliferative #Disorders #Classification ... #algorithm
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... NMJ • Nerve Side ... Neoplastic: Malignancy-associated ... - (Vasculitis) ANCA ... #Weakness #Differential
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
laboratory findings (ANA ... Skin Disease Classification ... permanent alopecia Differential ... Diagnosis: • ANCA-associated ... Malignancy Associated
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Growers (Runyon Classification ... Growers (Runyon Classification ... infections, surgical site ... abscessus • Line associated ... NTM #Infections #differential