6 results
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Capitis - Skin Disease ... of any comorbid disease ... Scaling, pustules, crusts ... • Laboratory evaluation ... Differential #Diagnosis #dermatology
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Hair Loss (Alopecia ... Dietary • Iron ... Secondary to Skin Disease ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Diffuse Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 • Lupus erythematosus
 • Lichen
Diffuse Hair Loss ... (all body hair) ... Dietary • Iron ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
disorders • Celiac ... disease Tissue ... malignancy • Iron ... deficiency anemia ... #Hematology
Nonscarring Alopecias: Clinical features of the most common types
Patterned hair loss:
 - Age: puberty or older
be triggered by iron ... deficiency, thyroid ... of autoimmune disease ... in 5% of cases ... with animals (eg pets
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
Felty Syndrome • Hairy ... Myeloproliferative Disease ... or folic acid deficiency ... treatments • Copper deficiency ... rings of excess iron