12 results
Here is a lymph node that is lymphoid-depleted, fibrotic, and burned-out, typical of late phase HIV
Here is a lymph ... node that is lymphoid-depleted ... proliferation (seen in lymph ... nodes from patients ... Pathology #Microscopy #LymphNode
Bronchiectasis: diagnosis and management 

Causes of localized -> diffuse bronchiectasis
Foreign body, Bronchial stenosis (tumor, .. ),
management Causes ... compression from lymph ... node Mycobacteria ... deficiency, CVID+++, HIV ... Differential #workup #algorithm
Unicentric Castleman Disease (UCD) vs Multicentric Castleman Disease (MCD) - Comparison Table

Unicentric Castleman Disease (UCD):
 •
• Number of lymph ... • Diagnosis: Lymph ... (especially in HIV-positive ... individuals) • HIV ... Variable; depends on cause
Lymphadenopathy - Differential Diagnosis Algorithm
Localized: 
 • Cervical: EBV, CMV, HIV, Toxo, TB, Lymphoma, Head /
Differential Diagnosis Algorithm ... Cervical: EBV, CMV, HIV ... Supraclavicular: Virchow's Node ... Infection: Acute HIV ... #Causes
Here is a lymph node with florid follicular hyperplasia typical of HIV lymphadenitis (so-called "pattern A",
Here is a lymph ... node with florid ... in early phase HIV ... "Pattern A" in HIV ... Pathology #Microscopy #LymphNode
Great Mimickers - SHALLOTS Mnemonic

S- Syphilis - Neurosyphilis, aortitis, gummas... Granulomas can form anywhere! Skin, mucosa,
H _ HIV - Hepatitis ... sarcoma What doesn't HIV ... cause? ... hypercalcemia„. firm lymph ... nodes anywhere
Neck Mass - Differential Diagnosis Algorithm
Congenital Neck Mass:
 • Thyroglossal Duct Cyst
 • Branchial Cleft Anomalies
Differential Diagnosis Algorithm ... Spread to Cervical Lymph ... Nodes) • Melanoma ... Differential #Diagnosis #Algorithm ... #Causes
Fatigue and IBD Algorithm
 • 40-50% patients have fatigue despite clinical remission
 • Risk factors: BMI,
Fatigue and IBD Algorithm ... and active IBD: IV ... IV FE formulations ... /other causes • ... ~30% note improvement
CASTLEMAN DISEASE
Disorder of the immune system with excessive production of IL-6

Castleman’s disease is a rare, heterogeneous
Affects a single lymph ... node region ... of the affected lymph ... node, which is ... node regions and
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... Mucocutaneous lymph ... node syndrome ... Cryoglobulins • HIV ... • HBV HCV