94 results
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
- Pathophysiology ... New-onset fever with rash ... #Diagnosis #Dermatology ... #Rash #Maculopapular ... Targetoid #Algorithm #Differential
Characteristic rash of dermatitis herpetiformis
#Clinical #Photo #Dermatology #SkinRash #Dermatitis #Herpetiformis #Celiac #Disease
Characteristic rash ... herpetiformis #Clinical ... #Photo #Dermatology ... Herpetiformis #Celiac #Disease
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... infection Malar rash ... infection • Lyme disease ... migrans • Lyme disease ... #skin #rashes #differential
Vesiculobullous Rashes - THE ALGORITHMIC APPROACH 
Vesiculobullous rashes provoke significant angst
in many physicians (Figure 5, page
However, the differential ... vesiculobullous rash ... disseminated gonococcal disease ... hand-foot-and-mouth disease ... #Diagnosis #Dermatology
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Fever and Rash - ... Differential Diagnosis ... gonorrhea, Rickettsial diseases ... #Differential # ... Diagnosis #dermatology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia - Differential ... (diverse genotypes ... , Hemoglobin H disease ... Hemolytic #Anemia #Differential ... Algorithm #workup #hematology
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Adult-Onset Still's Disease ... Clinical triad ... arthritis, Skin rash ... fraction < 20% Differential ... management #treatment #rheumatology
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
(blue-purple) rash ... • Erythematous rash ... auricular papules Clinical ... severity of the disease ... muscle weakness Phenotype
Still's Disease: Characteristic rash seen in the adult form of this disease. 
Photo credit, Josh Fierer,
Still's Disease: ... Characteristic rash ... adult form of this disease ... Images #Clinical ... #Photo #Dermatology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
anemia, Chronic disease ... deficiency, Liver Disease ... McLeod blood group phenotype ... RBC #Morphology #differential ... #diagnosis #hematology