313 results
Herpes Simplex Virus 
Lymphadenitis 
 • Expanded paracortex 
 • HSV-infected cells are 
present in areas
Simplex Virus Lymphadenitis ... Simplex #Virus #Lymphadenitis ... HSV #Pathology #Microscopy
Here is a lymph node that is lymphoid-depleted, fibrotic, and burned-out, typical of late phase HIV
late phase HIV lymphadenitis ... Pattern C" in HIV Lymphadenitis ... pattern C #HIV #Lymphadenitis ... PatternC #Pathology #Microscopy
Nontuberculous Mycobacteria
RAPID GROWERS: 
 • Mycobacterium abscessus, chelonae, fortuitum
SLOW GROWERS: 
 • Mycobacterium avium complex, marinum,
marinum, kansasii PULMONARY ... chelonae SUPERFICIAL LYMPHADENITIS ... #Mycobacteria #differential
Paracoccidioides brasiliensis Lymphadenitis: 

Paracoccidioidomycosis is a systemic fungal infection rare in the US, but endemic in
Paracoccidioides brasiliensis Lymphadenitis ... #brasiliensis #Lymphadenitis ... LymphNode #Clinical #Microscopy
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
of Hemoptysis - Differential ... Bronchiectasis • Pulmonary ... polyangiitis / microscopic ... Vascular • Pulmonary ... #Hemoptysis #Differential
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... Presentation (Pulmonary ... symptomatology Differential ... polyangiitis, Microscopic ... Renal #Syndrome #differential
Urine Microscopy - Kidney Stones and Crystals 

Uric Acid, Cystine, Hippurate, Cloth Fiber, Tyrosine, CaOx, CaP,
Urine Microscopy ... Neph_Sim #Urine #Microscopy ... Identification #Differential
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
consolidation is pulmonary ... cardiogenic edema, to differentiate ... redistribution of pulmonary ... a superimposed pulmonay ... Consolidation #Differential
Causes of Pulmonary Fibrosis

#Pulmonary #Fibrosis #Causes #Differential #Diagnosis
Causes of Pulmonary ... Fibrosis #Pulmonary ... Fibrosis #Causes #Differential
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Pulmonary Renal ... polyangiitis), MPA (microscopic ... coagulopathy) • CBC w differential ... FINDINGS: • U/A: microscopic ... Renal #Syndromes #differential