12 results
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
) Skin involvement ... vasculitis Skin ... also occur Skin ... • Painful skin lesions ... and gangrene Skin
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Red Flags: • Fever ... Rash: - Purpura ... Rash: - Autoimmune ... RA, Sjogren's, GPA ... cryoglobulins • Skin
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Skin Conditions ... • Rheumatic fever ... Scleroderma Thickened skin ... arthritis Discoid skin ... #joint #pain #skin
SKIN RASHES 



Skin rashes can occur from a variety of factors, including infections, heat, allergens, immune
SKIN RASHES ... Skin rashes ... the presence of fever ... and systemic signs ... ; #rash; #vesiculobullous
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... purple, hemorrhagic skin ... vasculitis - GPA ... mountain spotted fever ... #Differential #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
, ischemic skin ... • Affects the skin ... cmpkx deposits skin ... ) • Palpable purpura ... Vasculitis: • Skin
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
, ischemic skin ... - Affects the skin ... Cryoglobulinemic Vasculitis - Skin ... glomerular ischemia - Skin ... Small Vessels: Skin
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
- Palpable Purpura ... Palpable purpura ... Tip: To differentiate ... later confirmed by skin ... #photo #dermatology
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - ... Ill-appearing, vital sign ... instability - New-onset fever ... sulfa-drug - Skin ... Targetoid #Algorithm #Differential
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
Approach to the differential ... nose (epistaxis), skin ... , palpable purpura ... , maculopapular ... rash vesicular rash