126 results
Cervical Lymphadenopathy - Lymph Node Drainage
Preauricular nodes - Drain scalp, skin
 • Differential diagnosis: Scalp infections,
- Drain scalp, skin ... neck squamous cell ... Thyroid/laryngeal disease ... cytomegalovirus, dental disease ... Malignancies: Squamous cell
Ulcerative Blastomycosis Skin Lesion
57 asymptomatic M from Indiana nonpruritic, painless, progressive skin lesion lower back x
differential: basal ... cell ca, squamous ... cell ca, pyoderma ... Indiana University Infectious ... Diseases Fellowship
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
weeks without infection ... Hepatomegaly • Skin ... or basket cells ... can indicate disease ... microglobulin Treatment
IDSA Algorithm for the Management of Purulent skin and soft tissue infections (SSTIs). 
Mild infection: for
Management of Purulent skin ... abnormal white blood cell ... 12 000 or <400 cells ... oral antibiotic treatment ... such as bullae, skin
Hansen's Disease (Leprosy)
 • Transmission - not completely understood, ?nasal droplets
 • Symptoms appear ~5 years
nasal droplets ... cytoplasm, plasma cells ... and numerous AFB Treatment ... x 24 m BIDMC Infectious ... diagnosis #management #treatment
Synovial Fluid Analysis:

Findings (COLOR	TRANSPARENCY	VISCOSITY	WBC COUNT (PER MM3)	PMN CELL COUNT (%)	GRAM STAIN	CULTURE	PCR TEST	CRYSTALS)

By Condition (Normal 
Noninflammatory 
Inflammatory:
(PER MM3) PMN CELL ... crystalline disease ... Infectious: Lyme ... disease Infectious ... Effusion #Analysis #Table
Causes of Acute Onset Fever - Differential Diagnosis Algorithm
Viral:
 • Rhinovirus
 • Influenza Virus
 • Parainfluenza
Organ Specific Infection ... Meningitis • Skin ... Infection Abscess ... stroke • Sickle Cell ... disease • Drug
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Activation of CD8 T cells ... • Autoimmune diseases ... Adult-onset Still disease ... Unknown cause Treatment ... diagnosis #management #treatment
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Skin Ulcers by Etiology ... : • Squamous cell ... carcinoma • Basal ... cell carcinoma ... Cryoglobulinemia Infectious
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
Infections 2. ... trigger - Direct skin ... 50% of patients Skin ... histology - Mast cell ... rheumatology #comparison #table