33 results
Primary Dermatologic Nail Disorders - Differential Diagnosis Algorithm
Nail Plate - Pitting
 • Psoriasis
 • Alopecia Areata
Nail
Primary Dermatologic ... Psoriasis • Alopecia ... • Pseudomonas infection ... NailDisorders #Primary #dermatology ... Diagnosis #Algorithm #causes
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
: - Infectious ... Post op, Post infection ... Scaling, pustules, crusts ... adenopathy suggest infection ... Differential #Diagnosis #dermatology
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Hair Loss (Alopecia ... Related • Post-infectious ... Irreversible-biopsy required - Infectious ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Tinea Versicolor (Pityriasis versicolor) 
NOT a dermatophyte infection 
Caused by saprophytic, lipid-dependent yeasts 
Clinical 
 •
a dermatophyte infection ... Caused by saprophytic ... meatballs appearance Management ... Tinea #Versicolor #Dermatology ... SkinRash #Diagnosis #Management
Kerion
Raised, boggy lesion with heaped up purulent nodules 
Caused by host's response to a fungal ringworm
purulent nodules Caused ... fungal ringworm infection ... Griseofulvin #Kerion #Dermatology ... #Diagnosis #Management
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... Triggering factor (infection ... Still disease, Infection ... Drugs, Unknown cause ... Lymphohistiocytosis #diagnosis #management
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary
myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
Diagnosis and Management ... old, ~10,000 new cases ... risk-stratification • Risks: infection ... acute leukemia Management ... #treatment #hematology
Focal / Localized Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 - Infectious
Localized Hair Loss (Alopecia ... Irreversible-biopsy required - Infectious ... Brocq • Alopecia ... Focal #Localized #dermatology ... Diagnosis #Algorithm #causes
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
disease • Infectious ... and M panel Management ... DDX - Other causes ... hypogammaglobulinemia #immunology #hematology ... #diagnosis #management
Diffuse Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 • Lupus erythematosus
 • Lichen
Diffuse Hair Loss (Alopecia ... • Androgenetic alopecia ... Related • Post-infectious ... #dermatology #Differential ... Diagnosis #Algorithm #causes