25 results
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
Christmas Tree Rash ... palms/soles - Differential ... diagnosis: secondary ... Pityriasis #rosea #clinical ... #dermatology #photo
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... leakage of RBC's secondary ... deficiencies - PNH ... #Diagnosis #hematology ... #nonpalpable #dermatology
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Rash Secondary ... ▪ “Rash” (75% ... resembling rashes caused ... #Clinical #Photo ... #Dermatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... in primary or secondary ... #Differential # ... #dermatology #physicalexam
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin Rash ... Secondary to venous ... pigmentation, edema ... Eczematous #SkinRash #dermatology ... Diagnosis #Algorithm #causes
Secondary Syphilis - Rash on Palms and Soles 
41ys, seen in our ED b/c of 20
- Rash on Palms ... present in 80% of cases ... #clinical #photo ... #dermatology #Palms ... #Soles #dermatology
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin Rash ... - Differential ... central clearing • Secondary ... Papulosquamous #SkinRash #dermatology ... Diagnosis #Algorithm #causes
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
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Skin Lesions - Differential ... Generalized itchy rash ... Secondary syphilis ... Skin #Lesions #Differential ... #Diagnosis #Dermatology
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Polycythemia - Differential ... an underlying cause ... Better call hematology ... causes: Many of ... Algorithm #workup #hematology