12 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Hemolytic anemia ... Anticoagulants (Warfarin ... deficiency • Liver ... #Diagnosis #hematology ... #dermatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
• Rheumatic fever ... Palpable purpura ... Sarcoidosis #dermatology ... #skin #rashes #differential ... #diagnosis #rheumatology
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
diseases secondary ... petechiae/purpura with fever ... petechial or purpuric rash ... #Diagnosis #Dermatology ... Purpural #Purpuric #Rash
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
reticularis Differential ... Diagnosis: Vasculitis ... • Goodpasture syndrome ... Polyangiitis #GPA #dermatology ... #rash #diagnosis
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
, the differential ... Kawasaki disease ... may be having ... #Diagnosis #Dermatology ... #Differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
mucositis - Rash ... disease Differential ... : • Fevers • ... purpura: strong sign ... differential #diagnosis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Differential Diagnosis ... purpura: Strong sign ... , mucositis • Rash ... Diagnosis #Rheumatology
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
with systemic disease ... Episcleritis Signs ... , breast CA - Hematologic ... Leukocytoclastic vasculitis ... #diagnosis #dermatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Petechial or purpuric rash ... with leukopenia, anemia ... thrombocytopenia • Liver ... #Diagnosis #Management ... #Hematology #Rheumatology
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
extensive skin rash ... Fever >38.5 2. ... Resolution > 15 days Differentials ... SinaiBmoreIMRes #DRESS #Syndrome ... #dermatology #diagnosis