70 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #Comparison #Table
There are about a dozen x-ray findings, but two of them are especially important: Loss of
and the calcium sign ... is considered a positive ... calcium sign and ... #Clinical #Diagnosis ... #Radiology #CXR
Hilar enlargement
The table summarizes the causes of hilar enlargement.
Normal hili are:
- Normal in position - left
are: - Normal in position ... branching vessels #Diagnosis ... #Radiology #CXR ... #Enlargement #Differential
Abdominojugular (Hepatojugular) Reflux

Described by Pasteur in 1885 as a physical sign of TR. Still useful for
as a physical sign ... Still useful for diagnosis ... Positive reflux= ... #PhysicalExam #Clinical ... #VolumeStatus #Cardiology
There are about a dozen x-ray findings, but two of them are especially important: Loss of
and the calcium sign ... #Clinical #Diagnosis ... #Radiology #CXR
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
Pathogenesis and Clinical ... tenderness • Positive ... Stork test) • XR ... — scotty dog sign ... Spondylolisthesis #MSK #diagnosis
Chilaiditi Sign on Chest X-Ray
Anterior interposition of the colon between the hemidiaphragm and the liver.
Chilaiditi sign
Chilaiditi Sign ... Chilaiditi sign ... thus important to diagnose ... #Chest #XRay #CXR ... #clinical #radiology
Congenital absence of the pericardium: 
- CXR: leftward shift of the cardiac silhouette, Snoopy sign, no
silhouette, Snoopy sign ... in a posterior position ... #pericardium #clinical ... #cardiology #chestxray ... #cxr #radiology
Kussmaul's Sign - Differential Diagnosis

Typically the JVP decreases with inspiration as the negative intrathoracic pressure "sucks
Kussmaul's Sign ... - Differential Diagnosis ... where we may see a positive ... #physicalexam #diagnosis ... #cardiology #differential
X-ray limitations
It’s important to know the limitations of X-rays so we can correctly interpret them in
interpret them in clinical ... #Diagnosis #Radiology ... ChestXRay #KUB #CXR ... #Limitations #Comparison