20 results
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
- long axis of lesion ... parallel to lines of skin ... diagnosis: secondary ... syphilis (involve ... #dermatology #photo
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Tip: To differentiate ... touch the lesions ... later confirmed by skin ... #clinical #photo ... #dermatology #HSP
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
toxo IgG • CNS PCR ... , may also see skin ... lesions, LAD, and ... Tuberculosis • Syphilis ... #Brain #differential
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Skin rash and malaise ... heaped, wart-like lesions—Condyloma ... the palms of the hands ... #Rash #Diagnosis ... #Clinical #Photo
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... Diagnosis Algorithm ... Herald's atch • Tinea ... • Secondary Syphilis
The Stages of Syphilis 

Primary Syphilis 
- The chancre lesion is the hallmark of primary syphilis.
- The chancre lesion ... - Rash, pink ... rashes, including tinea-mimicker ... granuIomas on skin ... Latent #Tertiary #Diagnosis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... Diagnosis Algorithm ... reddish-purple lesions ... RMSF - Henoch Schonlein ... cryoglobulins • Skin
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Maculopapular rash ... Skin lesions associated ... reticularis Differential ... EGPA • Henoch-Schönlein ... #dermatology #rash
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... Diagnosis? ... skin of inflamed ... pitted keratolysis; and ... type #clinical #photo
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
painless nodular rash ... wane; diagnosis ... trauma leads to skin ... papulonodular lesions ... #hand