44 results
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Identification of causes ... disease (10%) : SLE ... #dermpath #dermatology ... lesions #diagnosis #clinical ... pathology #lesions #differential
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
workup for specific symptoms ... for secondary causes ... glucocorticoid treatment ... Disorders #Algorithm #Differential ... #diagnosis #hematology
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
Lupus (SLE): Mucocutaneous ... hair follicles -> causes ... Livedo Reticularis, Vasculitis ... Manifestations #pathophysiology ... diagnosis #signs #symptoms
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
to 1:1 F:M • Clinical ... Constitutional symptoms ... constitutional symptoms ... • Treatment: ... 40, F:M 9:1 • Clinical
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
pattern of spread, B symptoms ... Responsive to Treatment ... Classification #pathophysiology ... #Hematology #Diagnosis ... #NonHodgkin #differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... tract, and often causes ... Presentation - Systemic Symptoms ... , and SLE) • Urinalysis ... #rheumatology #
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... high WBC count cause ... Lysis Syndrome: • Pathophysiology ... Lysis of tumor cells ... diagnosis #management #hematology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Erythematosus (SLE ... ) Clinical Manifestations ... Disease, PRES Pathophysiology ... autoantibodies that will cause ... Erythematosus #SLE
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... accumulation of clinical ... Assessment • Clinical ... Autoimmune diseases: SLE ... Treatment: •
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
Behcet disease) Differential ... Oral aphthae : SLE ... • Arthritis: SLE ... Arthritis, AS Treatment ... #rheumatology #