20 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
infection • Lyme disease ... Erythema marginatum ... Sarcoidosis #dermatology ... #rashes #differential ... #diagnosis #rheumatology
Clues to Differential Diagnosis of Central Cyanosis: Onset of cyanosis, Clubbing, Secondary erythrocytosis, Auscultation, X-ray, Echocardiography,
Clues to Differential ... Diagnosis of Central ... - Pulmonary diseases ... #Cardiology #Causes ... #Table #Comparison
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... • A chronic skin ... #comparison #table ... #differential # ... diagnosis #dermatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... reactions • Erythema ... #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... Disorientation, vertigo Diagnostic ... Cold #Urticaria #diagnosis ... #rheumatology # ... comparison #table
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
- Differential ... Diagnosis Framework ... vasculitis • Erythema ... Vasculitis: • Behcet Disease ... #dermatology #rheumatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... reticularis Differential ... Diagnosis: Vasculitis ... #rash #diagnosis ... #rheumatology
Summary table of common benign breast diseases and how to manage them. 
Fibroadenoma:
 • Most common
area of bruising/erythema ... pus just under skin ... #benign #differential ... #diagnosis #surgery ... #causes #table
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
Painful or pruritic erythema ... Cryofibrinogenemia Diagnosis ... cryoglobulins • Negative causes ... #rheumatology # ... hematology
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
to a coalescing erythema ... Edema in 70% of cases ... Skin involvement ... Resolution > 15 days Differentials ... DRESS #Syndrome #dermatology