11 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
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Diagnosis Framework ... - Hemolytic anemia ... necrosis) • VIT K deficiency ... vasculitis/HSP • Cryoglobulinemia ... #hematology #rheumatology
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
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
activate the immune system ... • They can cause ... Cryoglobulins Cause ... Labs/Diagnosis: ... lupus erythematosus
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
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
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
lupus erythematosus ... rash) • Heart, ... with leukopenia, anemia ... #Diagnosis #Management ... #Hematology #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... ANCA +MPO) • Cryoglobulinemic ... mucositis - Rash ... lupus erythematosus ... #rheumatology #