9 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: 'signet ring sign ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #CTChest #Cystic ... #Comparison #Table
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
Sign on Chest CT ... • Patent airways ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... #Clinical #Radiology ... #Pulmonary #CTChest ... Carcinomatosis #Mimic ... Comparison #Table
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
Infarction and Pulmonary ... pericarditis, making it difficult ... Pericarditis #Symptoms #Signs ... #Presentation #comparison ... #Table #Diagnosis
â–º
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
#Clinical #Diagnosis ... #Radiology #Pulmonary ... #CTChest #Nodular ... NodularPattern #Differential ... #Comparison #Table
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
without associated pulmonary ... usually contain air ... #Clinical #Diagnosis ... #Radiology #CTChest ... Cyst #Emphysema #Comparison
It can be difficult to distinguish these three entities.
There are two diagnostic hints for further differentiation:
-
It can be difficult ... expiratory scans for air ... penicillamine) #Clinical ... #Radiology #CTChest ... #Attenuation #Comparison
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
any mention of a difficult ... airway - Allergies ... murmur 3/6) - Pulmonary ... - Oral cavity/Airway ... Change in clinical
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... SpO2 88% on room air ... This patient’s clinical ... monitored for airway ... #Radiology #CTChest