17 results
Macroglossia in Light-Chain Amyloidosis- Physical examination revealed macroglossia, with indentations from the teeth (Panel A)...A biopsy
biopsy of the tongue ... under polarized microscopy ... AL #lightchain #NEJM
Cervical Lymphadenopathy - Lymph Node Drainage
Preauricular nodes - Drain scalp, skin
 • Differential diagnosis: Scalp infections,
scalp, skin • Differential ... thoracic skin • Differential ... genitourinary tract, pulmonary ... • Differential ... Drain larynx, tongue
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
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
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
polyangiitis, microscopic ... Others: - Pulmonary ... abnormalities (Pulmonary ... Pneumonia #diagnosis #pulmonary ... #differential
Small Vessel Vasculitides
 • Granulomatosis with polyangiitis - Granulomatous manifestations (e.g., nasal crusting, destructive sinusitis, pulmonary
destructive sinusitis, pulmonary ... retroorbital mass) • Microscopic ... Vasculitides #vasculitis #differential
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
Hemoptysis - Differential ... Influenza, Ebola, Dengue ... #Hemoptysis #Differential ... #Diagnosis #pulmonary
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Lung Nodule - Differential ... polyangiitis (GPA) / microscopic ... #Lung #Nodule #Differential ... Algorithm #Causes #Pulmonary
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Regions - Frequent Differential ... abscess of liver, Dengue ... melioidosis, typhoid, pulmonary ... eosinophilia - Tropical pulmonary ... Returning #Traveler #differential