20 results
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
disruption of vascular ... trauma, infection, vasculitis ... #Diagnosis #Dermatology ... #Rash #Petechiae ... #Algorithm #Differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... Disruptions in vascular ... Vasculitis (lupus ... cryoglobulins • Skin ... Algorithm #Causes #dermatology
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Vascular Skin Lesions ... - Differential ... #Vascular #Vasculitis ... #SkinRash #dermatology ... #Differential #
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... platelet disorders, vascular ... Etiology: • Vascular ... Disruptions in vascular ... Streptococcus pneumoniae Vascular
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Skin Ulcers of the ... • Radiation Vascular ... insufficiency • Vascular ... insufficiency • Vasculitis ... ulcerative #skinrash #dermatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... infection Malar rash ... Crohn's disease Palpable ... Sarcoidosis #dermatology ... #rashes #differential
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
• Petechiae, Palpable ... Maculopapular rash ... • Petechiae • Palpable ... reticularis Differential ... #rash #diagnosis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Differential Diagnosis ... pulse deficits vascular ... and bullous or vesicular ... , mucositis • Rash
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... and bullous or vesicular ... mucositis - Rash ... scleritis • Palpable ... -> causing palpable
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Schonlein Leg Rash ... Tip: To differentiate ... Palpable = vasculitis ... later confirmed by skin ... clinical #photo #dermatology