18 results
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... inflammation • Pauci-immune ... Rarely dominate the clinical ... • Goodpasture syndrome ... #rash #diagnosis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
) Suspect: Clinical ... Disease Classification ... permanent alopecia Differential ... context of primary immune ... #Diagnosis #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Necrotizing, pauci-immune ... tract, and often causes ... mucositis - Rash ... #diagnosis #rheumatology ... #classification
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... : • Clinical triad ... • Autoimmune diseases ... systemic lupus erythematosus ... #types #classification
A quick infographic on various pearls about atopic dermatitis, a disease with an increasing burden on
risk factors, management ... #treatment #diagnosis ... #causes #atopy ... #skinrash References ... J Allergy Clin Immunol
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
rash in association ... Resolution > 15 days Differentials ... : symptomatic treatment ... SinaiBmoreIMRes #DRESS #Syndrome ... #dermatology #diagnosis
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Petechial or purpuric rash ... Fibrin degradation products ... Treatment: • Corticosteroids ... #Diagnosis #Management ... #Hematology #Rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... : Erythematous nodules ... , mucositis • Rash ... tract, and often causes ... #Diagnosis #Rheumatology
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... Diagnosis? ... dermatophytes cause ... sp. pruritic, erythematous ... #photo #foot #dermatology
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Milk • Food products ... status NTM Cause ... : • Syndrome of ... Hematologic malignancy ... NTM #Infections #differential