23 results
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... Rarely dominate the clinical ... Maculopapular rash ... reticularis Differential ... #dermatology #rash
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... purple, hemorrhagic skin ... Vasculopathy #Purpura #Differential ... #Diagnosis #hematology ... #nonpalpable #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 ... Sarcoidosis • GPA ... Sarcoidosis #dermatology ... #rashes #differential
Erythroderma - Diagnostic Algorithm. Pathophysiology: 1) Extensive cutaneous capillary dilation, results in widespread exfoliation of the
of germinative skin ... #Diagnosis #Dermatology ... #Rash #Erythroderma ... Nikolsky #Algorithm #Differential ... #Ddxof
Skin Hypopigmentation - Differential Diagnosis Algorithm

Diffuse Congenital - Generalized hypopigmentation of hair, eyes, skin
 • Phenylketonuria
- Differential ... sclerosis (white "ash ... Hypopigmentation #disorders ... #skin #dermatology ... #Differential #
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... Vasculitis - Collagen disorders ... RA, Sjogren's, GPA ... cryoglobulins • Skin ... Algorithm #Causes #dermatology
Von Willebrand Disease - Most common inherited bleeding disorder 
Clinical 
 • Easy bruising 
 •
common inherited bleeding ... disorder Clinical ... bruising • Skin ... bleeding from mucosal ... Disease #Diagnosis #Hematology
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
sulfa-drug - Skin ... #Diagnosis #Dermatology ... #Rash #Maculopapular ... Targetoid #Algorithm #Differential ... #Ddxof
Fluid-filled Rash - Diagnostic Algorithm.  Pustule: 1) Pustules more commonly suggest an infectious process (bacterial,
Fluid-filled Rash ... proteins in the skin ... #Diagnosis #Dermatology ... Bullous #Algorithm #Differential ... #Ddxof
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
Christmas Tree Rash ... parallel to lines of skin ... palms/soles - Differential ... Pityriasis #rosea #clinical ... #dermatology #photo