46 results
Giant Cell (Temporal) Arteritis: Pathogenesis and investigations
Risk Factors:
 - Unclear environmental triggers (may be viral, not
yrs old; F>M Signs ... skin lesions ... Temporal #Arteritis #Pathophysiology ... #Diagnosis #Signs ... #Symptoms #Vasculitis
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Purpura - Diagnostic Algorithm ... Pathophysiology: ... Palpable: 1) If lesions ... #Diagnosis #Dermatology ... #Differential #
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic Algorithm ... or fluid-filled lesions ... Ill-appearing, vital sign ... #Diagnosis #Dermatology ... #Differential #
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
Purpuric Rashes- THE ALGORITHMIC ... with devastating differential ... ; however, an algorithmic ... may have a vasculitis ... #Diagnosis #Dermatology
Fever of Unknown Origin (FUO) - Further Workup

 • CNS symptoms? Get an LP and imaging
Returning Traveler’ algorithm ... malaria–endemic regions ... thin smear • Signs ... lesions? ... values supporting hematologic
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
#dermpath #dermatology ... #semiology #signs ... #lesions #diagnosis ... manifestations #pathology #lesions ... #differential
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Vascular Skin Lesions ... - Differential ... Diagnosis Algorithm ... #SkinRash #dermatology ... #Differential #
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... hemorrhagic skin lesions ... deficiency • Liver ... Vasculopathy #Purpura #Differential ... #Diagnosis #hematology
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Diagnosis Algorithm ... = Primary Skin Lesions ... No Primary Skin Lesion ... #generalized #dermatology ... Diagnosis #Algorithm
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
• Rheumatic fever ... Hypersensitivity vasculitis ... Antiphospholipid-antibody syndrome • Vasculitis ... Discoid skin lesions ... #skin #rashes #differential