6226 results
Normal Hilar Anatomy on Chest X-Ray
The hilum is 95% vessels and while it is not important
LUL - left upper lobe ... bronchus LLL - ... left lower lobe ... bronchus RUL - Right ... upper lobe bronchus
Luftsichel Sign in Left Upper Lobe Collapse - Chest X-Ray

An upper lobe collapse causes the collapse
in Left Upper Lobe ... X-Ray An upper lobe ... veil like opacity all ... Sometimes the LLL ... the air in the LLL
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
Leukemias Overview: ALL ... CML, AML, APML, CLL ... age • 75% of ALL ... Mature B-cell ALL ... Hematology #Oncology #Diagnosis
Silhouette Sign on Chest X-Ray
Loss of the margin between two opposing structures of the same radiographic
localization by lobe ... stripe • RML – ... heart border • RLL ... heart border • LLL ... ChestXRay #CXR #diagnosis
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
x-ray there is an ill-defined ... the right upper lobe ... AirBronchogram #RUL
Lung Segment Anatomy Annotated on Chest CT
Right Lung:
 • Upper Lobe: Apical, Posterior, Anterior
 • Middle
Lung: • Upper Lobe ... Anterior • Middle Lobe ... Medial • Lower Lobe ... Lung: • Upper Lobe ... lingular • Lower Lobe
Left lower lobe atelectasis - There is a triangular density seen through the cardiac shadow.
This must
Left lower lobe ... this is lower lobe ... see the lower lobe ... the atelectatic lobe ... Radiology #CXR #LLL
Cystic Lung Disease
Upper Lobe Predominant: 
Langerhans Cell Histiocytosis, Pneumocystis Jiroveci, Hypersensitivity Pneumonitis, Neurofibromatosis Type 1, Paracoccidioidomycosis,
Disease Upper Lobe ... Disease Lower Lobe ... #differential #diagnosis
Pediatric Acute Abdominal Pain - Differential Diagnosis Algorithm
Generalized/Migratory:
 • Intussusception
 • Gastroenteritis
 • Viral Illness
 •
- Differential Diagnosis ... • Right Lower Lobe ... • Left Lower Lobe ... #Differential #Diagnosis
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
larger ones are ill-defined ... the right lower lobe ... possibility of multiple ill-defined ... the differential diagnosis ... Biopsy revealed the diagnosis