292 results
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
(DAH) & renal failure ... multiplex WORKUP & DIAGNOSIS ... Other tests: • CT ... seen on chest CT ... #differential #diagnosis
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Sign on Chest CT ... mueormycosis, GPA ... #Halo #Sign #CT ... Lung #Pulmonary #diagnosis ... #radiology #clinical
Regression of Clubbing after Treatment of Lung Cancer #Clinical #PhysicalExam #Radiology #Clubbing #Regression #LungCancer #CT #NEJM
of Lung Cancer #Clinical ... Regression #LungCancer #CT ... #NEJM
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Sign on Chest CT ... lung, pulm AVM, GPA ... #Vessel #Sign #CT ... Lung #Pulmonary #diagnosis ... #radiology #clinical
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
- Differential Diagnosis ... ANCA-Assoc vasculitis (GPA ... > EGPA, MPA), Cryoglobulinemia ... endocarditis), Heart failure ... #Differential #Diagnosis
ANCA-Associated Vasculitis
There are many definitions, but most come down to the presence of granulomas (pathologically or
pathologically or clinically ... polyangiitis (GPA ... polyangiitis (eGPA ... #differential #diagnosis
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
vasculitis (5%): PAN > GPA ... , EGPA • Solid ... signs #lesions #diagnosis ... #clinical #manifestations
Emphysematous Prostatitis - Radiography of the kidney, ureter, and bladder showed an atypical focus of gas
computed tomography (CT ... lobe (Panel B) #Clinical ... #Radiology #CT ... #Prostatitis #NEJM
Urinary Tract Tuberculosis - Contrast-enhanced computed tomography (CT) of the abdomen showed mild dilatation of the
computed tomography (CT ... excretory phase on CT ... bacilli (Panel D) #Clinical ... Radiology #Pathology #CT ... AcidFastBacilli #Microscopy #NEJM
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Polyangiitis (GPA ... Rarely dominate the clinical ... Differential Diagnosis ... polyangiitis • EGPA ... dermatology #rash #diagnosis