11 results
Algorithm for Diagnosis of the Petechial / Purpuric Rash

Febrile/Toxic, Palpable: 
 - Meningococcaemia, Disseminated Gonococcal Infection,
Rash Febrile ... Endocarditis, Henoch-SchönIein ... - Purpura Fulminans ... - Autoimmune Vasculitis ... #Dermatology #Skin
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Leg Rash - Palpable ... Palpable purpura ... Palpable = vasculitis ... later confirmed by skin ... #photo #dermatology
Palpable Purpura seen in Henoch Schonlein Purpura (HSP, IgA Vasculitis)

55 year old male on tuberculosis treatment
Palpable Purpura ... 55 year old male ... rash. ... #clinical #photo ... #dermatology #skin
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... Crohn's disease Palpable ... Henoch Schönlein ... gangrenosum • IBD ... Antiphospholipid-antibody syndrome
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
RMSF - Henoch Schonlein ... Rash: - Purpura ... fulminans - DIC ... Vasculitis (lupus ... cryoglobulins • Skin
Acute Purpura Fulminans Skin Rash on Physical Exam 
60 year old male ITP s/p splenectomy 
1d
Acute Purpura Fulminans ... Skin Rash on Physical ... (purpura fulminans ... #Fulminans #Skin ... #photo
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... Kasabach-Merritt syndrome ... - APLS • Acute ... Fulminans (DIC ... PURPURA: Vasculitis
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
• Petechiae, Palpable ... Maculopapular rash ... EGPA • Henoch-Schönlein ... • Goodpasture syndrome ... #dermatology #rash
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
present • Henoch Schonlein ... Purpura (IgA vasculitis ... mucositis - Rash ... scleritis • Palpable ... -> causing palpable
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
, mucositis • Rash ... present) Henoch Schonlein ... Purpura (IgA Vasculitis ... ) • Palpable purpura ... ) • Palpable purpura