13 results
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
parallel to lines of skin ... - Differential diagnosis ... : secondary syphilis ... nummular eczema, tinea ... #dermatology #photo
Algorithm for Diagnosis of the Petechial / Purpuric Rash

Febrile/Toxic, Palpable: 
 - Meningococcaemia, Disseminated Gonococcal Infection,
Algorithm for Diagnosis ... Disseminated Gonococcal Infection ... Endocarditis, Henoch-SchönIein ... - Autoimmune Vasculitis ... #Dermatology #Skin
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... parvovirus B19 infection ... Malar rash ... • Henoch Schönlein ... #differential #diagnosis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential Diagnosis ... in primary or secondary ... - Vasculitis ... RMSF - Henoch Schonlein ... cryoglobulins • Skin
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Maculopapular rash ... Differential Diagnosis ... EGPA • Henoch-Schönlein ... cell arteritis Infections ... #dermatology #rash
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
diseases secondary ... inflammation or infection ... RMSF, and Henoch-Schönlein ... petechial or purpuric rash ... Purpural #Purpuric #Rash
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
- Purpura - Skin ... reticularis & skin ... Type III Often Secondary ... Labs/Diagnosis: ... (Henoch-Schönlein
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Rash Secondary ... Skin rash and malaise ... treatment, the infection ... #Rash #Diagnosis ... #Clinical #Photo
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... present • Henoch Schonlein ... mucositis - Rash ... Differential Diagnosis ... to exclude are infections
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 ... Indiana University Infectious ... type #clinical #photo