39 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
www.medscape.com/slideshow/dermatology-mnemonics ... -6011359#5 #diagnosis ... #differential #symptoms ... #signs #dermatology ... #skin #skinrash
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Erythema Nodosum - Causes ... and Differential Diagnosis ... Almost ALWAYS on anterior ... #Differential Diagnosis ... #Dermatology #SkinRash
Tinea Versicolor (Pityriasis versicolor) 
NOT a dermatophyte infection 
Caused by saprophytic, lipid-dependent yeasts 
Clinical 
 •
dermatophyte infection Caused ... erythematous Diagnosis ... Tinea #Versicolor #Dermatology ... #SkinRash #Diagnosis ... #Management
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
for secondary causes ... organ-specific signs ... or symptoms (eg ... #Differential #diagnosis ... #hematology #eosinophilia
Bullous Pemphigoid - Diagnosis and Management Summary
Pathophysiology: Autoantibody-mediated damage to epithelial basement membrane -> separation of
Bullous Pemphigoid - Diagnosis ... dermis Clinical Signs ... /Symptoms/Exam findings ... - Erosions and crusts ... #Management #dermatology
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... - Differential Diagnosis ... Chronic Chest Symptoms ... #Algorithm #Causes ... #Hematology
Aplastic Anemia - Illness Script
Signs and symptoms:
 • Recurrent infections from neutropenia
 • Mucosal bleeding from
Illness Script Signs ... and symptoms: ... Symptomatic anemia Diagnosis ... #management #treatment ... #hematology
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
extrapulmonary cases ... Clinical Signs ... years - May have signs ... pulmonary TB PE ... for concomitant pulmonary
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
Anterior ischemic ... Is visual loss caused ... the optic nerve caused ... Doppler US : halo sign ... Ophthalmology #Diagnosis
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
- Differential Diagnosis ... Auspitz sign, Koebner's ... Papulosquamous #SkinRash ... #dermatology #Differential ... #causes