21 results
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
) Differential Diagnosis ... • Loose anagen syndrome ... Diffuse #Focal #HairLoss ... #Alopecia #dermatology ... #Algorithm #causes
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Diagnosis Framework ... Disease: Discoid lupus ... , Loose anagen syndrome ... Vitamin D levels Systemic ... #dermatology #Hairloss
Diffuse Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 • Lupus erythematosus
 • Lichen
Irreversible-biopsy required • Lupus ... • Loose anagen syndrome ... stress #Diffuse #HairLoss ... #Alopecia #dermatology ... #Algorithm #causes
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Photosensitivity, Butterfly rash ... , Vasculitis, Purpura ... Demyelinating syndromes ... ) Blood (75%): Anemia ... signs #symptoms #diagnosis
Pancytopenia - Differential Diagnosis

Congenital Diseases:
• GATA2 deficiency
• Fanconi’s anemia
• Wiskott-Aldrich syndrome
• Ribosomopathy or telomeropathy

Cancer:
• Leukemia
• Lymphoma

Inflammatory
• Fanconi’s anemia ... Wiskott-Aldrich syndrome ... Autoimmune Diseases: • Systemic ... lupus erythematosus ... #Hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Diagnosis Framework ... - Hemolytic anemia ... Kasabach-Merritt syndrome ... necrosis) • VIT K deficiency ... Gardner-Diamond syndrome
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... thrombocytopenic purpura ... usually IgG) (e.g. lupus ... G6PD deficiency) ... #hematology #anemia
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Systemic Lupus Erythematosus ... (SLE) - Diagnosis ... Manifestations: Malar rash ... Photosensitivity, Alopecia ... #Summary #rheumatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Diagnosis Algorithm ... Clotting factor deficiency ... Autoimmune Vasculitis (lupus ... #Algorithm #Causes
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... and permanent alopecia ... disease • Prolidase deficiency ... lymphopenia, low PLT • Anemia ... #Diagnosis #Rheumatology