Carotid body tumor diagnostic study of choice
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The carotid body tumor is diagnosed primarily by history and physical examination. However, imaging studies are necessary to make the final diagnosis. Color Doppler ultrasound has been recommended as a method of screening for the diagnosis of carotid body tumor. It is also suggested that CT angiography is more accurate than color Doppler ultrasound for the diagnosis of larger lesions. CT imaging combined with color Doppler ultrasound has been suggested as the optimal detection modality for the assessment and management of the tumor. It should be mentioned that, traditionally, digital subtraction angiography (DSA) has been the gold standard for the diagnosis of carotid body tumor.
Diagnostic Study of Choice
- The carotid body tumor is diagnosed primarily by history and physical examination.
- Imaging studies are necessary to make the final diagnosis.
- Traditionally, digital subtraction angiography (DSA) has been the gold standard for the diagnosis of carotid body tumor.
- However, DSA has been replaced by other imaging studies such as CT angiography and MR angiography which provides an accurate angiogram as well as information on the local extension of the tumor to the adjacent tissues.
- Color Doppler ultrasound has been recommended as a method of screening for the diagnosis of carotid body tumor.
- CT imaging is useful in the diagnosis of local invasion of the tumor to adjacent arteries and skull base.
- CT imaging combined with color Doppler ultrasound has been suggested as the optimal detection modality for the assessment and management of the tumor.
- Since the tumor is highly vascular, incisional biopsy and percutaneous needle aspiration are contraindicated and it may cause complications such as:
The comparison of various diagnostic studies for carotid body tumor
|Color Doppler ultrasound||89.8%||82.6%||87.5%|
- It is also suggested that CT angiography is more accurate than color Doppler ultrasound for the diagnosis of larger lesions.
- Genetic analysis should be considered for patients with:
Sequence of Diagnostic Studies
- The first line imaging modality for the diagnosis and assessment of the tumor is Color Doppler ultrasound.
- CT imaging can be used as the second line modality for the diagnosis of selected cases.
Name of Diagnostic Criteria
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- Jin, Zhan-Qiang; He, Wen; Wu, Dong-Fang; Lin, Mei-Ying; Jiang, Hua-Tang (2016). "Color Doppler Ultrasound in Diagnosis and Assessment of Carotid Body Tumors: Comparison with Computed Tomography Angiography". Ultrasound in Medicine & Biology. 42 (9): 2106–2113. doi:10.1016/j.ultrasmedbio.2016.04.007. ISSN 0301-5629.
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- Davila, Victor J.; Chang, James M.; Stone, William M.; Fowl, Richard J.; Bower, Thomas C.; Hinni, Michael L.; Money, Samuel R. (2016). "Current surgical management of carotid body tumors". Journal of Vascular Surgery. 64 (6): 1703–1710. doi:10.1016/j.jvs.2016.05.076. ISSN 0741-5214.
- Tong Y (August 2012). "Role of duplex ultrasound in the diagnosis and assessment of carotid body tumour: A literature review". Intractable Rare Dis Res. 1 (3): 129–33. doi:10.5582/irdr.v1.3.129. PMID 25343084.