14 results
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Pneumonia (COP) ... Unknown • 6-7 cases ... : • CXR: Peripheral ... Pneumonia - Diagnosis ... #Pneumonia #COP
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
caused by streptococcus ... pneumonia (OP) ... OP is organizing ... #Diagnosis #Radiology ... #Pulmonary #CXR
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... ), Cryptogenic organizing ... pneumonia (COP) ... Diseases #ILD #diagnosis ... differential #pulmonary #causes
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
densities in both lungs ... of organizing pneumonia ... (OP) also known ... #Clinical #Radiology ... #CXR #Peripheral
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
- Lung neoplasms ... diseases like organizing ... pneumonia (OP) ... #Diagnosis #Radiology ... #Pulmonary #CXR
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
Streptocccus Pneumoniae ... • Most common cause ... Exam, CXR, ENT ... Spec > 95%) • Urine ... • Urine antigen
Based on the images alone, it is usually not possible to determine the cause of the
Organizing pneumonia ... (OP) - multiple ... nodular interstitial lung ... #Clinical #Diagnosis ... #Radiology #CXR
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
responses of the lung ... indicates unknown cause ... involvement of the lung ... of NSIP, UIP, OP ... #Diagnosis #Radiology
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
complex • Nodular/Masses ... Actinomyces spp., NHL; Lung ... Bronchoalveolar cancer, Organizing ... #differential #diagnosis ... #chestCT #radiology
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
heart failure, COPD ... , Lung cancer, Primary ... Evaluation: Imaging (CXR ... Cryptococcal Ag, Urine ... HIVAIDS #workup #diagnosis