14 results
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
parallel to lines of skin ... - Differential diagnosis ... nummular eczema, tinea ... rosea #clinical #dermatology ... #photo #PhysicalExam
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
Skin Rash 40 ... Typical abrupt onset ... the key to the diagnosis ... #Rash #dermatology ... #clinical #photo
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic ... instability - New-onset ... fever with rash ... sulfa-drug - Skin ... #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 ... type #clinical #photo ... #foot #dermatology
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
(blue-purple) rash ... • Erythematous rash ... anti-MDA5 DM at onset ... #rheumatology #dermatology ... #diagnosis
Adult Onset Still's Disease
Systemic inflammation with urticarial rash.
Rash: 
 • Nonpruritic, evanescent (correlates with time of
Adult Onset Still's ... with urticarial rash ... maculopapular skin ... #Adult #onset ... #rheumatology #management
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Fever + sudden onset ... of a rash - Rash ... general feeling of ill ... - Sudden onset ... #dermatology #oncology
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
rash in association ... Skin involvement ... withdrawal • Mild ... DRESS #Syndrome #dermatology ... #diagnosis #management
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
brown tint of the rash ... Aureus: • Acute onset ... eczematous features • Mild ... #differential #diagnosis ... #dermatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
-1 and IL-6, leading ... sJIA) • Adult-onset ... Petechial or purpuric rash ... Activation #Syndrome #Diagnosis ... #Management #Hematology