8 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
bronchiectasis: ... 'signet ring sign ... central dot. - LIP ... #Clinical #Diagnosis ... #Radiology #CTChest
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
patients with bronchiectasis ... , as in cystic fibrosis ... bronchial obstruction caused ... #Clinical #Radiology ... #CXR #CTChest #
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
The CXR demonstrates ... preference at the lung bases ... honeycombing and traction bronchiectasis ... #Clinical #Radiology ... #CXR #UIP #CTChest
The case on the left shows subpleural honeycomb cysts in several contiguous layers.
There is also a
The case on the ... subpleural honeycomb cysts ... Interstitial Pneumonia (UIP ... #Clinical #Radiology ... #CTChest #UIP #
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic inflammation causes ... Hemoptysis • Coughing up ... : • Cystic fibrosis ... no evidence of cystic ... Nasal polyps and signs
On the left a chest film of a patient with UIP due to IPF.
The findings on
a patient with UIP ... reticular densities caused ... thick walls of the cysts ... #Clinical #Radiology ... #CXR #CTChest #
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
this pattern was caused ... by multiple cysts ... the central dot sign ... #Clinical #Radiology ... #CXR #CTChest #
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... This patient’s clinical ... x-ray (CXR), try ... not seen on a CXR ... #Radiology #CTChest