59 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
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
Non-Hodgkin's Lymphoma - Comparison ... e.g., HIV), EBV infection ... Etiology: - Infections ... involvement Differential ... #NonHodgkins #comparison
Ulcerative Blastomycosis Skin Lesion
57 asymptomatic M from Indiana nonpruritic, painless, progressive skin lesion lower back x
heaped up borders); differential ... : basal cell ca, ... squamous cell ca ... Indiana University Infectious ... Diseases Fellowship
Causes of Acute Onset Fever - Differential Diagnosis Algorithm
Viral:
 • Rhinovirus
 • Influenza Virus
 • Parainfluenza
Onset Fever - Differential ... Meningitis • Skin ... stroke • Sickle Cell ... disease • Drug ... #Fever #Acute #Differential
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Skin Ulcers by Etiology ... - Differential ... carcinoma • Basal ... Cryoglobulinemia Infectious ... #dermatology #Differential
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
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
joints • Oral and nasal ... reticularis Differential ... syndrome • Giant cell ... arteritis Infections ... • Fungal infections
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
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
Eosinophilia - Differential Diagnosis Algorithm
Idiopathic Eosinophilia
Primary Eosinophilia:
 • Primary hypereosinophilic syndrome
 • Eosinophilic Leukemia
 • MPN/MDS
Eosinophilia - Differential ... GI, lung, skin), ... eosinophilia) • Infectious ... , Behcet disease ... #Eosinophilia #Differential