12 results
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
cough, dyspnea, fever ... • HRCT: patchy consolidation ... , Pulmonary lymphoma ... #COP #BOOP #pulmonary ... ILD #diagnosis #management
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
that present with consolidation ... idiopathic it is called cryptogenic ... Diagnosis #Radiology #Pulmonary ... #CXR #Consolidation ... Differential #Table #RadiologyAssistant
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... complete ring of consolidation ... granulomatosis, Cryptogenic ... , Pulmonary embolism ... Reverse #Halo #Sign
Based on the images alone, it is usually not possible to determine the cause of the
and other non-pulmonary ... Lobar pneumonia ... Organizing pneumonia ... with low oxygen level ... #Causes #RadiologyAssistant
On the left two cases with chronic consolidation. 
There are patchy non-segmental consolidations in a subpleural
cases with chronic consolidation ... non-segmental consolidations ... organizing pneumonia ... will be other signs ... OrganizingPneumonia #RadiologyAssistant
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
loss, lethargy, fever ... • CT: Halo sign ... • Fever, weight ... dyspnea • Lobar consolidation ... Infections #HIV #AIDS #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 ... lesions, lobular consolidation ... #Diagnosis #Pulmonary
Reverse Halo Sign
Defined as a central ground class opacity surrounded by a ring of dense consolidation
Differential
Reverse Halo Sign ... ring of dense consolidation ... disease • Other: Cryptogenic ... organizing pneumonia ... Reverse #Halo #Sign
Cryptogenic Organizing Pneumonia - Illness Script

PATHOPHYSIOLOGY: Unknown trigger, reversible inflammatory/fibroproliferative process. Polypoid fibroblastic aggregates that plug
Cryptogenic Organizing ... Males=Females SIGNS ... Cough, dyspnea, fever ... #diagnosis #management ... #pulmonary
Good example of 'shred sign' in a patient with fever, cough and shortness of breath. 

This
example of 'shred sign ... a patient with fever ... signifies subpleural consolidation ... eabramsMD #Shred #sign ... ultrasound #lung #pulmonary