14. Primary Lung cancer – diagnosis and staging with imaging modalities.
Inside: 1 section · 13 flashcards · 1 min
Topic 14 of 66 in the MU Plovdiv syllabus for Roentgenology and Radiology (Medicine, Year 3). The free AceMed note covers it in 1 section, about 118 words (1 min of reading), with 13 flashcards.
In this note
LUNG CANCER
LUNG CANCER
any mass/nodule within the lung that is non-calcified must be suspected as a possible cancer
“nodule” if <3cm
“mass” if >3cm
BIOPSY, is the only definitive means of CONFIRMING cancer
PET scan can help determine if metabolic activity has increased (prompts biopsy)
Surveillance is usually done for nodules <1cm, with CXR and CT every 3, 6, 12, 24 months
If unchanged for more than 2 years, very low chance of being malignant
if MALIGNANT we can observe
irregular/stellate shape
lack of calcification
increasing size from previous examinations
multiple non-calcified lesions? METASTASIS
can often present as pneumonia therefore, important to follow up with CXR for complete resolution of pneumonia
can also present as atelectasis or volume loss of lungs
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