Pulmonary nodule imaging: Difference between revisions
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==Overview== | ==Overview== | ||
Conventional radiography is the initial method of choice for the evaluation of | Conventional radiography is the initial method of choice for the evaluation of pulmonary nodule. The evaluation and risk assessment of pulmonary nodule will depend on several characteristics, such as: size, growth, shape, margin, location, and attenuation. Further evaluation of solitary pulmonary lung nodule, should include enhanced CT scan or MRI imaging. Other imaging studies include [[PET]] scanning, which may be useful as a staging modality, detection of occult disease, and malignancy assessment.<ref name="pmid19835344">{{cite journal |vauthors=Albert RH, Russell JJ |title=Evaluation of the solitary pulmonary nodule |journal=Am Fam Physician |volume=80 |issue=8 |pages=827–31 |year=2009 |pmid=19835344 |doi= |url=}}</ref> | ||
==Imaging== | ==Imaging== | ||
=== | The table below summarizes the radiological features suggestive of benign or malignant pulmonary nodules.<ref name="pmid19835344">{{cite journal |vauthors=Albert RH, Russell JJ |title=Evaluation of the solitary pulmonary nodule |journal=Am Fam Physician |volume=80 |issue=8 |pages=827–31 |year=2009 |pmid=19835344 |doi= |url=}}</ref> | ||
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!style="padding: 5px 5px; background: #4479BA; font-weight: bold; text-align:center;" colspan="3"|{{fontcolor|#FFF|''' Radiologic Features Suggestive of Benign or Malignant Pulmonary Nodules''' <br><SMALL> Adapted from American Academy of Family Physicians <ref name="CDC"> Solitary Pulmonary Nodule: Morphological Evaluation. http://pubs.rsna.org/doi/pdf/10.1148/radiographics.20.1.g00ja0343 Accessed on March 15, 2016 </ref></SMALL>}} | |||
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! style="background: #4479BA; width: 300px;" | {{fontcolor|#FFF|'''Radiologic feature'''}} | |||
! style="background: #4479BA; width: 300px;" | {{fontcolor|#FFF|'''Benign'''}} | |||
! style="background: #4479BA; width: 300px;" | {{fontcolor|#FFF|'''Malignant'''}} | |||
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: | |style="padding: 5px 5px; background: #DCDCDC; font-weight: bold; text-align:center;"| Size | ||
: | |style="padding: 5px 5px; background: #F5F5F5;"|< 5 mm | ||
: | |style="padding: 5px 5px; background: #F5F5F5;"|> 10 mm | ||
|- | |||
|style="padding: 5px 5px; background: #DCDCDC; font-weight: bold; text-align:center;"| Border | |||
''' | |style="padding: 5px 5px; background: #F5F5F5;"| Smooth | ||
|style="padding: 5px 5px; background: #F5F5F5;"| Irregular or spiculated | |||
|- | |||
|style="padding: 5px 5px; background: #DCDCDC; font-weight: bold; text-align:center;"| Density | |||
|style="padding: 5px 5px; background: #F5F5F5;"| Dense, solid | |||
|style="padding: 5px 5px; background: #F5F5F5;"| Nonsolid, “ground glass” | |||
|- | |||
|style="padding: 5px 5px; background: #DCDCDC; font-weight: bold; text-align:center;"| Calcification | |||
''' | |style="padding: 5px 5px; background: #F5F5F5;"| Typically a benign feature, especially in “concentric,” “central,” “popcorn-like,” or “homogeneous” patterns | ||
|style="padding: 5px 5px; background: #F5F5F5;"| Typically noncalcified, or “eccentric” calcification | |||
''' | |- | ||
|style="padding: 5px 5px; background: #DCDCDC; font-weight: bold; text-align:center;"| Doubling time | |||
|style="padding: 5px 5px; background: #F5F5F5;"| Less than one month; more than one year | |||
: | |style="padding: 5px 5px; background: #F5F5F5;"| One month to one year | ||
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==References== | ==References== | ||
Latest revision as of 21:35, 23 March 2016
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Pulmonary Nodule Microchapters |
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Diagnosis |
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Treatment |
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Case Studies |
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Pulmonary nodule imaging On the Web |
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American Roentgen Ray Society Images of Pulmonary nodule imaging |
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Risk calculators and risk factors for Pulmonary nodule imaging |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Maria Fernanda Villarreal, M.D. [2]
Overview
Conventional radiography is the initial method of choice for the evaluation of pulmonary nodule. The evaluation and risk assessment of pulmonary nodule will depend on several characteristics, such as: size, growth, shape, margin, location, and attenuation. Further evaluation of solitary pulmonary lung nodule, should include enhanced CT scan or MRI imaging. Other imaging studies include PET scanning, which may be useful as a staging modality, detection of occult disease, and malignancy assessment.[1]
Imaging
The table below summarizes the radiological features suggestive of benign or malignant pulmonary nodules.[1]
| Radiologic Features Suggestive of Benign or Malignant Pulmonary Nodules Adapted from American Academy of Family Physicians [2] |
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|---|---|---|---|
| Radiologic feature | Benign | Malignant | |
| Size | < 5 mm | > 10 mm | |
| Border | Smooth | Irregular or spiculated | |
| Density | Dense, solid | Nonsolid, “ground glass” | |
| Calcification | Typically a benign feature, especially in “concentric,” “central,” “popcorn-like,” or “homogeneous” patterns | Typically noncalcified, or “eccentric” calcification | |
| Doubling time | Less than one month; more than one year | One month to one year | |