24 results
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
Petechial/Purpuric ... vasculitic diseases secondary ... or purpuric rash ... #Diagnosis #Dermatology ... #Rash #Algorithm
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Rash - Differential ... in primary or secondary ... cryoglobulins • Skin ... #Petechiae #Rash ... Algorithm #Causes #dermatology
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Petechiae/Purpura ... of primary or secondary ... Palpable: 1) If lesions ... #Rash #Petechiae ... #Ddxof
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Polyangiitis (GPA) Skin ... vasculitis Skin ... also occur Skin ... 16%) • Painful skin ... and gangrene Skin
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
erythroderma, petechiae ... Ill-appearing, vital sign ... sulfa-drug - Skin ... Targetoid #Algorithm #Differential ... #Ddxof
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
skin pigmentation ... skin pigmentation ... deposited into the skin ... brown tint of the rash ... #diagnosis #dermatology
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Vascular Skin Lesions ... Algorithm - Petechiae ... cm diameter - Purpura ... discolorations of skin ... Vasculitis #SkinRash #dermatology
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
- long axis of lesion ... parallel to lines of skin ... palms/soles - Differential ... diagnosis: secondary ... #photo #PhysicalExam
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Skin Conditions ... Scleroderma Thickened skin ... arthritis Discoid skin ... lesions • Discoid ... #joint #pain #skin
Approach to the Rash in a an oncology patient - MINT-C Mnemonic
M - Malignancy: Leukemia cutis,
Coagulopathy: Purpura ... Thrombocytopenia (ie petechiae ... dermatoses #skin ... #differential # ... MINTC #Mnemonic #dermatology