11 results
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
- long axis of lesion ... palms/soles - Differential ... diagnosis: secondary ... syphilis (involve ... #dermatology #photo
Secondary Syphilis - Rash on Palms and Soles 
41ys, seen in our ED b/c of 20
Secondary Syphilis ... #Syphilis #Rash ... #clinical #photo ... #dermatology #Palms ... #Soles #dermatology
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Secondary Syphilis ... Rash Secondary ... resembling rashes caused ... #Clinical #Photo ... #Dermatology
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Pathophysiology: ... of primary or secondary ... Palpable: 1) If lesions ... #Diagnosis #Dermatology ... #Rash #Petechiae
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... reddish-purple lesions ... in primary or secondary ... #dermatology #physicalexam
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Rarely dominate the clinical ... Maculopapular rash ... reticularis Differential ... Polyangiitis #GPA #dermatology
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Schonlein Leg Rash ... Tip: To differentiate ... and touch the lesions ... #Legs #Rash #clinical ... #photo #dermatology
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin Rash ... central clearing • Secondary ... Syphilis - Red ... Papulosquamous #SkinRash #dermatology ... Diagnosis #Algorithm #causes
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
- Differential ... disease Pustular Localised ... Generalized itchy rash ... Secondary syphilis ... Diagnosis #Dermatology
Symmetrical Drug-Related Intertriginous and Flexural Exanthema (SDRIFE)

49M +burning rash groins/buttocks (pic in next thread) x 1d.
; no oral/palm lesion ... MCQ highlights a case ... , blisters, or purpura ... #clinical #photo ... #dermatology