8 results
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Low Attenuation Nodular ... Infection (TB, Fungal ... #HighRes #Chest ... #CT #Patterns #
Pulmonary Nodule
Evaluation is guided by nodule size & assessment of probability of malignancy. In addition is
Pulmonary Nodule ... Pulmonary nodules ... CT in 6 to 12 months ... The treatment of ... associated with a higher
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
- Chest Radiology ... small (1 -4 mm) nodules ... - Endemic fungi ... #Chest #Radiology ... CXR #clinical #CT
Fleischner Society recommendations for follow-up of nodules
Previous chest radiographs should be reviewed to determine if the
with a benign pattern ... scanning at 3, 6, 12 ... aspiration (TBNA) High ... #CTChest #Fleischner ... Society #Followup #Pulmonary
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
travel to lymph nodes ... duration is 6 to 12 ... DX relies on a high ... affected tissue • High-dose ... aches, joint pain, chest
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
the dominant HR-pattern ... : reticular nodular ... high attenuation ... #Pulmonary #HRCT ... #Algorithm #ILD
Summary of Oncologic Emergencies

Neutropenic fever:
- Fever + ANC < 500 → start cefepime ± vancomycin (if
suspected) - CT ... chest; CT abdomen ... > 4 days → add fungal ... treat - Calcium > 12 ... renal failure, pulmonary
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
perform own ADLs - Highest ... disease b) CHF ... ASA class If high ... event, follow ACC algorithm ... one post op Cardiology