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

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
) Differential Diagnosis ... • Loose anagen syndrome ... to Skin Disease ... #dermatology #Differential ... #Diagnosis #Algorithm
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
Nail Disorders secondary ... Iron deficiency anemia ... • Nephrotic syndrome ... #dermatology #Differential ... #Diagnosis #Algorithm
Micronutrient Deficiencies After Gastric Bypass
Fat-Soluble Vitamins:
 • Vitamin A - Night/complete blindness, xeropthalmia (pathologic dryness of
Vitamin D - Bone disease ... ataxia), Korsakoff syndrome ... • Zinc - Alopecia ... Calcium - Bone disease ... #differential #diagnosis
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Diagnosis Framework ... Capitis - Skin Disease ... , Loose anagen syndrome ... of any comorbid disease ... #dermatology #Hairloss
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... leakage of RBC's secondary ... - Hemolytic anemia ... #hematology #rheumatology ... #nonpalpable #dermatology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
, Liver diseases ... Myelodysplastic syndrome ... Hemolytic uremic syndrome ... Morphology #Atlas #key #diagnosis ... #differential #hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
- Differential Diagnosis ... malignancies • Anemia ... Myelodysplastic syndrome ... #Causes #hematology ... #secondary
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Diagnostic Framework ... chronic kidney disease ... Myelodysplastic syndrome ... #differential #diagnosis ... #causes #hematology
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
- Differential Diagnosis ... Congenital Diseases ... deficiency • Fanconi’s anemia ... Wiskott-Aldrich syndrome ... #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... hemolysis, deficiency anemia ... Vasculitides, IBD, Celiac disease ... Kawasaki, Nephrotic syndrome ... #Algorithm #hematology