405 results
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Vessel Sign on Chest ... leading into a lung ... infarction, mets to the lung ... , pulm AVM, GPA ... Vessel #Sign #CT #Lung
Granulomatous Lung Disease - Differential Diagnosis Algorithm
OP: organising pneumonia; EGPA: eosinophilic granulomatosis with polyangiitis; NSG: necrotising
Granulomatous Lung ... organising pneumonia; EGPA ... granulomatosis; GPA ... granulomatous-lymphocytic interstitial lung ... Granulomatous #granuloma #Lung
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... mueormycosis, GPA ... sarcoidosis, mets to the lung ... Halo #Sign #CT #Lung
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
vasculitis (AAV): GPA ... subglottic stenosis) in GPA ... Other tests: • CT chest ... sparing of the lung ... typically seen on chest
ILD of Known Cause - Differential Diagnosis
Exposure:
 • Occupational: Asbestosis, Silicosis, Hypersensitivity, Pneumonitis
 • Treatment Related:
with Vasculitis: GPA ... , EGPA • Granulomatous ... #interstitial #lung
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
Malignancy: Primary lung ... ANCA-Assoc vasculitis (GPA ... > EGPA, MPA), Cryoglobulinemia ... Postprocedural, Lung
Lung Segment Anatomy Annotated on Chest CT
Right Lung:
 • Upper Lobe: Apical, Posterior, Anterior
 • Middle
Lung Segment Anatomy ... Annotated on Chest ... CT Right Lung: ... lang=us #Lung # ... lobes #Segments #Chest
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
in interstitial lung ... On a Chest X-Ray ... is interstitial lung ... On a CXR the most ... detected on a chest
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Dyspnea (underlying lung ... lymadenopathy, clubbing, chest ... ) • Abnormal CXR ... History of cancer, lung
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
Cavitary Lung Disease ... Acute Infections: Lung ... cancer, Metastatic lung ... Autoimmunity: RA, GPA ... #Cavitary #Lung