12 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
On a Chest X-Ray ... When the cysts have ... Langerhans cell histiocytosis ... seen and in many cases ... #Diagnosis #Radiology
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... Langerhans cell histiocytosis ... before the typical cysts ... Clinical #Diagnosis #Radiology ... #Pulmonary #CTChest
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
film of a 19 year old ... was caused by multiple ... cysts. ... #Clinical #Radiology ... #CXR #CTChest #
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
or a cystic pattern ... Langerhans cell histiocytosis ... In many of such cases ... #Clinical #Radiology ... #CXR #CTChest #
Subacute hypersensitivity pneumonitis
The key findings in the subacute hypersensitivity pneumonitis are:
ill-defined centrilobular nodules of ground-glass opacity
opacity (80% of cases ... ) or mosaic pattern ... There are ill-defined ... #Clinical #Radiology ... #CTChest #Hypersensitivity
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Epidemiology: • 1-2 cases ... Guillain-Barre Pathophysiology ... • Weakness: mild ... management #treatment #neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
: • 1400 new cases ... • 75-90% of cases ... monophasic Pathophysiology ... Abnormal in 50% of cases ... diagnosis #management #neurology
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
encephalitis, eastern ... Powassan, louping ill ... Photophobia • Nausea ... established by CSF or urine ... differential #diagnosis #neurology
In the images on your left you can appreciate again the spectrum of findings seen in
tissue disease, all cases ... fine reticular pattern ... honeycombing in all three cases ... #Clinical #Radiology ... #CTChest #NSIP
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Incidence: 1 to 2 cases ... can vary from mild ... the underlying pathophysiology ... diagnosis #management #neurology