29 results
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... Capitis - Skin ... Examine the entire skin ... #Differential # ... Diagnosis #dermatology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
lymphoproliferative disorder ... infection, autoimmune disorder ... for anti-C3d and negative ... younger pts) Differential ... hemolytic #anemia #hematology
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Anemia (AIHA) - Differential ... hemoglobinuria) • Cold Agglutinin ... AIHA (7-8%) DAT-negative ... #Anemia #AIHA #Differential ... Diagnosis #Table #hematology
Primary Dermatologic Nail Disorders - Differential Diagnosis Algorithm
Nail Plate - Pitting
 • Psoriasis
 • Alopecia Areata
Nail
Primary Dermatologic ... Nail Disorders ... - Differential Diagnosis ... Psoriasis • Alopecia ... #Differential #
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Hair Loss (Alopecia ... Diffuse and Focal) Differential ... • Androgenetic alopecia ... - Secondary to Skin ... #dermatology #Differential
Skin Hypopigmentation - Differential Diagnosis Algorithm

Diffuse Congenital - Generalized hypopigmentation of hair, eyes, skin
 • Phenylketonuria
Skin Hypopigmentation ... - Differential ... Hypopigmentation #disorders ... #skin #dermatology ... #Differential #
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
Disorders of Pigmentations ... Hyperpigmentation - Differential ... of hair, eyes, skin ... #skin #dermatology ... #Differential #
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia - Differential ... Agglutination - Cold agglutinins ... Consider RBC membrane disorder ... Hemolytic #Anemia #Differential ... Algorithm #workup #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... purple, hemorrhagic skin ... Vasculopathy #Purpura #Differential ... #Diagnosis #hematology ... #nonpalpable #dermatology
Severe Drug Rashes - Comparison - DRESS | SJS/TEN | AGEP | Erythroderma

DRESS 
 - Onset:
Drug Rashes - Comparison ... >90% of total skin ... #Drug #Rashes #Comparison ... #Erythroderma #Dermatology ... #Emergency #Differential