16 results
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
of interstitial lung ... COP DDX: • CAP ... , Pulmonary lymphoma ... #COP #BOOP #pulmonary ... ILD #diagnosis #management
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... Dermatomyositis, Lung ... granulomatosis, Cryptogenic ... , Pulmonary embolism ... Reverse #Halo #Sign
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Feeding Vessel Sign ... CT • Distinct pulmonary ... , pulm AVM, GPA ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... mueormycosis, GPA ... .2016.12.033 #Halo #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
responses of the lung ... involvement of the lung ... idiopathic or cryptogenic ... #Diagnosis #Radiology ... #Pulmonary #CTChest
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
19 Patterns of Lung ... Reverse Halo Sign ... Organizing Pneumonia ... #Pulmonary #ChestCT ... #radiology #CTChest
Cryptogenic Organizing Pneumonia - Illness Script

PATHOPHYSIOLOGY: Unknown trigger, reversible inflammatory/fibroproliferative process. Polypoid fibroblastic aggregates that plug
Cryptogenic Organizing ... Males=Females SIGNS ... misdiagnosed as CAP ... #diagnosis #management ... #pulmonary
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
reversed halo sign ... in situ; COP, cryptogenic ... ; PZ, pulmonary ... #Diagnosis #Pulmonary ... #Radiology #RHS
Reverse Halo Sign
Defined as a central ground class opacity surrounded by a ring of dense consolidation
Differential
Reverse Halo Sign ... disease • Other: Cryptogenic ... organizing pneumonia ... Reverse #Halo #Sign ... #radiology
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
(CAP) - Diagnosis ... and Management ... Pneumonia Signs ... #Management #treatment ... #Pulmonary #Community