39 results
Secondary Disseminated Syphilis

Case from my residency that @EstradaElJefe helped me publish in JGIM. One important finding
Secondary Disseminated ... is the patchy alopecia ... #Disseminated #Dermatology ... Clinical #Photo #SkinRash ... #Alopecia
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

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

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

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