23 results
Maculopapular Rashes - THE ALGORITHMIC APPROACH 

The term maculopapule is a portmanteau, a combination
of macule and
macule and papule (Table ... febrile have a wide differential ... rashes but without signs ... have a broader differential ... #Diagnosis #Dermatology
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
- long axis of lesion ... palms/soles - Differential ... Pityriasis #rosea #clinical ... #dermatology #photo ... #PhysicalExam
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... reddish-purple lesions ... Hypotension • Mucosal lesions ... #Differential # ... #physicalexam
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Rarely dominate the clinical ... Maculopapular rash ... reticularis Differential ... #rash #diagnosis ... #rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Clinical Features ... Photosensitivity, Butterfly rash ... Cranial nerve lesions ... erythematosus #signs ... symptoms #diagnosis #rheumatology
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Still's Disease Clinical ... arthritis, Skin rash ... fraction < 20% Differential ... CK, normal biopsy ... management #treatment #rheumatology
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
painless nodular rash ... painless, no systemic signs ... , labs normal. ... biopsy preferred Differential ... papulonodular lesions
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
association • M > F Clinical ... Behcet syndrome (Clinical ... Behcet disease) Differential ... diagnosis #management #signs ... #symptoms #rheumatology
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
The signs and symptoms ... heaped, wart-like lesions—Condyloma ... genital, anal or oral ... #Diagnosis #Clinical ... #Photo #Dermatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
69% - Malar rash ... Nephropathy 16% - Oral ... (aPL) 30-45% Differential ... autoantibodies #signs ... #rheumatology