12 results
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
red-flags to exclude dermatologic ... New-onset fever with rash ... #Diagnosis #Dermatology ... #Rash #Maculopapular ... Targetoid #Algorithm #Differential
Petechiae: punctate spots that arise from spontaneous bleeding secondary to profound thrombocytopenia. 
The spots (easily visible
Petechiae: punctate spots ... The spots (easily ... Images #Clinical #Photo ... #Dermatology #Rash
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
Christmas Tree Rash ... palms/soles - Differential ... ChristmasTree #Rash ... rosea #clinical #dermatology ... #photo #PhysicalExam
Erythroderma - Diagnostic Algorithm. Pathophysiology: 1) Extensive cutaneous capillary dilation, results in widespread exfoliation of the
Pathophysiology: ... #Diagnosis #Dermatology ... #Rash #Erythroderma ... Nikolsky #Algorithm #Differential
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Secondary Syphilis Rash ... reddish brown spots ... occur on other parts ... Diagnosis #Clinical #Photo ... #Dermatology
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Pathophysiology: ... #Diagnosis #Dermatology ... #Rash #Petechiae ... Palpable #Algorithm #Differential
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
rapidly evolving rash ... cellulitis w/ black spots ... , hypotension, rash ... #cellulitis #dermatology ... legs #clinical #photo
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Skin Lesions - Differential ... Generalized itchy rash ... Mpox • Starts ... Skin #Lesions #Differential ... #Diagnosis #Dermatology
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Schonlein Leg Rash ... Tip: To differentiate ... Purpura #Legs #Rash ... #clinical #photo ... #dermatology #HSP
Shawl sign poikiloderma in Dermatomyositis

Poikiloderma in general is a common finding in older individuals with chronic
symptoms helps differentiate ... Dermatomyositis #Rash ... Dermatomyositis #Dermatology ... #Clinical #Photo