33 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... infection Malar rash ... • SLE • Human ... Antiphospholipid-antibody syndrome ... #skin #rashes #differential
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... , Loose anagen syndrome ... Scaling, pustules, crusts ... #Differential # ... Diagnosis #dermatology
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Hair Loss (Alopecia ... Diffuse and Focal) Differential ... • Loose anagen syndrome ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Erythematosus (SLE ... Manifestations: Malar rash ... Photosensitivity, Alopecia ... Positive in 60-80% of cases ... Management #Summary #rheumatology
Primary Dermatologic Nail Disorders - Differential Diagnosis Algorithm
Nail Plate - Pitting
 • Psoriasis
 • Alopecia Areata
Nail
Nail Disorders - Differential ... Psoriasis • Alopecia ... Telangiectasia • SLE ... #Differential # ... Diagnosis #Algorithm #causes
Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Hypertension - BP > 140/90 (>130/80 for DM)
Hypertensive urgency
Hypertension - Differential ... • Bilateral RAS ... pheochromocytoma) • Steroids ... Cushing's, exogenous steroids ... • Unilateral RAS
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... - Differential ... Autoimmune • ITP • SLE ... Non-lmmune: • HELLP Syndrome ... #Hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Splenomegaly - CTD (SLE ... Kasabach-Merritt syndrome ... Gardner-Diamond syndrome ... Associated - SLE
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
and permanent alopecia ... Differential ... Malignancy (e.g. hematologic ... • Nonscarring alopecia ... vein thrombosis Hematologic
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
NPSLE rare, Malar rash ... Discontinuation of causal ... Manifestations: Malar rash ... Photosensitivity, Alopecia ... comparison #table #rheumatology