64 results
Cervical Lymphadenopathy - Lymph Node Drainage
Preauricular nodes - Drain scalp, skin
 • Differential diagnosis: Scalp infections,
neck squamous cell ... genitourinary tract, pulmonary ... 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
Blastomycosis Skin ... heaped up borders); differential ... : basal cell ca, ... squamous cell ca ... University Infectious Diseases
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
Sarcoidosis 
Non-caseating granulomas (Composed of T-helper & inflammatory cells) 
Clinical:
 • Disease fatal in 10% of
& inflammatory cells ... Clinical: • Disease ... polyarthritis • Pulmonary ... exertion • Neurologic ... neuropathies • Skin
Hansen's Disease (Leprosy)
 • Transmission - not completely understood, ?nasal droplets
 • Symptoms appear ~5 years
nasal droplets ... cytoplasm, plasma cells ... and numerous AFB Treatment ... Leprosy #diagnosis #management ... #treatment
Small Vessel Vasculitides
 • Granulomatosis with polyangiitis - Granulomatous manifestations (e.g., nasal crusting, destructive sinusitis, pulmonary
., nasal crusting ... destructive sinusitis, pulmonary ... Interstitial lung disease ... in absence of skin ... Vasculitides #vasculitis #differential
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Polyangiitis (GPA) Skin ... GPA causes disease ... joints • Oral and nasal ... reticularis Differential ... syndrome • Giant cell
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
injury) • Neurologic ... spinal cord, and basal ... ) Differential Diagnosis ... Arthritis, AS Treatment ... Syndrome #diagnosis #management
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... CRP GCA (Giant Cell ... , neurologic, and ... cognitive impairment, neurologic
Highlighted Conditions With Arteritis or Periarteritis of the Coronaries
Takayasu's arteritis:
 - Onset < 40 yrs
 -
pulse/BP Giant cell ... Polyarteritis nodosa: - Skin ... sinusitis - pulmonary ... IgG4-related disease ... Coronaries #Arteritis #Differential