25 results
Generalized Hyperpigmentation Differentials
Use the Mnemonic "no skin SPARED"

Images from dermnet.nz and merckmanuals

Mnemonic from https://www.medscape.com/slideshow/dermatology-mnemonics-6011359#5 #diagnosis #differential
Hyperpigmentation Differentials ... the Mnemonic "no skin ... www.medscape.com/slideshow/dermatology-mnemonics ... #symptoms #signs ... #dermatology #skin
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Pustular Skin Rash ... - Differential ... body folds with satellite ... Pustular #SkinRash #dermatology ... Diagnosis #Algorithm #causes
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
organ-specific signs ... or symptoms (eg ... , skin or esophageal ... Disorders #Algorithm #Differential ... #diagnosis #hematology
Physiologic Skin Changes in Pregnancy - Differential Diagnosis Algorithm

Face
 • Melasma
Abdomen
 • Linea Nigra 
Hormone induced
Physiologic Skin ... in Pregnancy - Differential ... • Chadwick's sign ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
manifestations Skin ... inflammation tends to cause ... interstitial lung disease/pulmonary ... pathophysiology #signs ... #symptoms #diagnosis
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... Erythrocytosis) - Differential ... Cyanosis without Pulmonary ... Chronic Chest Symptoms ... #Hematology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... Vasculitis (lupus, RA ... cryoglobulins • Skin ... #dermatology #physicalexam
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
Symptoms: • The ... Edema in 70% of cases ... Skin involvement ... Resolution > 15 days Differentials ... DRESS #Syndrome #dermatology
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... Auspitz sign, Koebner's ... Papulosquamous #SkinRash #dermatology ... Diagnosis #Algorithm #causes
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Episcleritis Signs ... and Symptoms: ... symptoms by days ... Causes: - Idiopathic ... Syndrome #diagnosis #dermatology