42 results
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Leukocytoclastic Vasculitis Secondary ... drug eruptions, paraneoplastic ... Vasculitis: • Behcet Disease ... • Cogan syndrome ... #dermatology #rheumatology
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Diagnosis Algorithm ... • Loose anagen syndrome ... to Skin Disease ... #dermatology #Differential ... #causes
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... purple, hemorrhagic skin ... #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Polycythemia Vera Secondary ... Polycythemia - Acquired Causes ... Hypoxia-driven: Cardiac/pulmonary ... disease, Smoking ... #hematology
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Diagnosis Algorithm ... Myelodisplastic syndrome ... Pruritus #primary #secondary ... #generalized #dermatology ... #causes
Focal / Localized Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 - Infectious
) - Differential ... Diagnosis Algorithm ... to Skin Disease ... Focal #Localized #dermatology ... #causes
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... Diagnosis Framework ... Disease: Discoid ... , Loose anagen syndrome ... Diagnosis #dermatology
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Arthralgia/arthritis, Skin ... fraction < 20% Differential ... hepatitis • Pulmonary ... #diagnosis #management ... #treatment #rheumatology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
• Screen for secondary ... glucocorticoid treatment ... symptoms (eg, skin ... Disorders #Algorithm #Differential ... #diagnosis #hematology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Demyelinating Syndrome ... Cerebrovascular Disease ... , PRES Pathophysiology ... CNS #neurology #rheumatology ... #management #treatment