14 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Henoch Schonlein Purpura ... Rash: - Purpura ... Vasculitis (lupus ... #Petechiae #Rash
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... purple, hemorrhagic skin ... PURPURA: Platelet ... CAUSES OF PALPABLE ... PURPURA: Vasculitis
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... , Palpable purpura ... • Palpable purpura ... Vesicles overlying purpuric ... Henoch-Schönlein purpura
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Crohn's disease Palpable ... purpura • Hypersensitivity ... Henoch Schönlein purpura ... Antiphospholipid-antibody syndrome ... lesions • Discoid lupus
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Macrophage Activation ... easy bruising to purpura ... mucosal bleeding (Petechial ... or purpuric rash ... #Rheumatology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Involving the Skin ... Small Vessel: Petechiae ... , Palpable purpura ... Disease • Cogan syndrome ... #dermatology #rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Sjögrens (15%) Skin ... Photosensitivity, Butterfly rash ... , Vasculitis, Purpura ... Demyelinating syndromes ... symptoms #diagnosis #rheumatology
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
thrombocytopenic purpura ... nose (epistaxis), skin ... (alopecia, purpura ... , palpable purpura ... vesicular rash,
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Arthralgia - Purpura ... Clinical triad of Palpable ... purpura, Arthralgia ... Henoch-Schönlein purpura ... (e.g. systemic lupus
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitis: • Purpura ... Henoch Schonlein Purpura ... erythematous nodules, purpura ... purpura: strong ... purpura.