11 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: round cysts, evenly ... central dot. - LIP #Clinical ... #CTChest #Cystic ... #Cysts #Differential ... #Comparison #Table
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
(LAM): uniform cysts ... bizarre shaped cysts ... #Clinical #Radiology ... #HRCT #CTChest ... #Pattern #Comparison
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
multiple thick walled cysts ... (LAM): regular cysts ... #Clinical #Radiology ... #HRCT #CTChest ... #Pattern #Comparison
Disseminated Cysticercosis - Magnetic resonance imaging (MRI) of the head revealed diffuse hyperintense septated cystic lesions
oval translucent cyst ... examination of the cyst ... (Panel C) confirmed ... #Clinical #Radiology ... Solium #Microscopy #NEJM
Differentiating type-I vs. type-II MI

Sorting this out is difficult, often relying heavily on clinical judgement.

A key
vs. type-II MI ... heavily on clinical ... develop transient chest ... any stressor (chest ... #NSTEMI #Comparison
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
attached to the chest ... There is a lung cyst ... small airways leading ... to pulmonary cyst ... #Clinical #Radiology
Esophageal Atresia and Tracheoesophageal Fistula- An infant had an apneic episode at birth and received positive-pressure
A chest radiograph ... Type C, the most ... patient began feeding ... #NEJM #clinical ... #C #chest #Xray
Lymphangioleiomyomatosis- Computed tomography of the chest, reconstructed in the coronal plane at the level of the
tomography of the chest ... intraparenchymal pulmonary cysts ... numerous thin-walled cysts ... markers lined the cyst ... wedge #biopsy #NEJM
There is a hydropneumothorax.
Notice the air-fluid level.
The upper lobe is still attached to the chest wall
attached to the chest ... There is a lung cyst ... small airways leading ... to pulmonary cyst ... #Clinical #Radiology
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
disease b) CHF c) ... Change in clinical ... What is the type ... one post op Cardiology ... change CV risk Chest