8 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: 'signet ring sign ... Clinical #Diagnosis #Radiology ... #CTChest #Cystic ... #Differential #Comparison ... #Table #RadiologyAssistant
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
feeding vessel sign ... feeding vessel sign ... #Clinical #Radiology ... #SepticEmboli #Cavity ... #RadiologyAssistant
Cardiac Event Monitors
 • Holter Monitor - Records every heart beat for 24-48 hours
 • Loop/Event
patient places on chest ... Loop recorder - Long ... Monitors #heart #cardiology ... telemetry #devices #comparison ... #table
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
the surrounding lung ... Clinical #Diagnosis #Radiology ... #CTChest #Cavity ... Cyst #Emphysema #Comparison ... #RadiologyAssistant
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
Tomography (CT) — Lung ... mSv 4 years - Cardiac ... #PatientInfo #Radiology ... #CT #Nuclear #Comparison ... #Table #Risks #
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
neuroexam - Oral cavity ... exam Determine Cardiac ... one post op Cardiology ... unless prior heart/lung ... postoperative cardiac
Increased pulmonary venous pressure is related to the pulmonary capillary wedge pressure (PCWP) and can be
features on the chest ... film (Table). ... chronic obstructive lung ... #Diagnosis #Radiology ... #RadiologyAssistant
Stage III - Alveolar edema
This stage is characterized by continued fluid leakage into the interstitium, which
influenced by: Gravity ... position Obstructive lung ... The following signs ... #Clinical #Radiology ... AlveolarEdema #RadiologyAssistant