Carcinoid syndrome CT

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [2]Associate Editor(s)-in-Chief: Parminder Dhingra, M.D. [3]

Overview

Chest CT scan may be helpful in the diagnosis of carcinoid tumor. On high-resolution CT scan of the chest, peripheral pulmonary carcinoid tumor is characterized by a solitary and round pulmonary nodule with a lobulated margin, whereas bronchial carcinoid tumor is characterized by a single well-defined, round or ovoid, hilar or perihilar mass with marked homogenous enhancement. On CT scan of the neck, thymic carcinoid tumor is characterized by a mass with heterogeneous attenuation.^[1]^[2]

CT

Peripheral Pulmonary Carcinoid Tumor High-Resolution CT Chest

Findings on high-resolution CT scan suggestive of peripheral pulmonary carcinoid tumor include:^[2]

Discovered as an incidental solitary and round pulmonary nodule
Size at diagnosis can vary but ranges between 10-30 mm
Lobulated margin

Bronchial Carcinoid Tumor High-Resolution CT Chest

Findings on high-resolution CT scan suggestive of bronchial carcinoid tumor include:

Well-defined single hilar or perihilar mass
Round or ovoid in shape
Variable in size but typically ranges between 2-5 cm
Marked homogeneous contrast enhancement due to high vascularity
Calcification (usually eccentric) can occur

Thymic Carcinoid

Findings on neck CT scan suggestive of thymic carcinoid tumor include:

Mass with heterogeneous attenuation^[1]

Gallery

^[3]]]

References

↑ ^1.0 ^1.1 Thymic carcinoid tumour. Dr Yuranga Weerakkody and Dr Mohammad Taghi Niknejad et al. Radiopaedia 2015. http://radiopaedia.org/articles/thymic-carcinoid-tumour
↑ ^2.0 ^2.1 Peripheral pulmonary carcinoid tumour . Dr Henry Knipe and Dr Yuranga Weerakkody et al. Radiopaedia 2015. http://radiopaedia.org/articles/peripheral-pulmonary-carcinoid-tumour
↑ Image courtesy of Dr Henry Knipe and Dr Yuranga Weerakkody et al. Radiopaedia (original file [1]). [http://radiopaedia.org/licence Creative Commons BY-SA-NC

Template:WikiDoc Sources

[thymicCT-1] 1.0 ^1.1 Thymic carcinoid tumour. Dr Yuranga Weerakkody and Dr Mohammad Taghi Niknejad et al. Radiopaedia 2015. http://radiopaedia.org/articles/thymic-carcinoid-tumour

[pulmonaryCT-2] 2.0 ^2.1 Peripheral pulmonary carcinoid tumour . Dr Henry Knipe and Dr Yuranga Weerakkody et al. Radiopaedia 2015. http://radiopaedia.org/articles/peripheral-pulmonary-carcinoid-tumour

[radio-3] Image courtesy of Dr Henry Knipe and Dr Yuranga Weerakkody et al. Radiopaedia (original file [1]). [http://radiopaedia.org/licence Creative Commons BY-SA-NC

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