Multiple thoracic duct cysts: an unusual CT finding

Halliday, Laura; Sharma, Anup

doi:10.1093/jscr/rjv056

Cited by 2 publications

(2 citation statements)

References 6 publications

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“…T2-weighted MRIs of CTDC show increased intensity due to its high triglyceride and protein content, and T1-weighted MRIs will show decreased intensity. Gadolinium enhances delineation of the lesion borders and allows for lymph channels to be distinguished from anatomical boundaries of veins 7 8…”

Section: Discussionmentioning

confidence: 99%

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Cervical thoracic duct cyst: a conservative resolution

et al. 2022

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A woman in her 70s presented with an enlarging, asymptomatic palpable mass in the left supraclavicular fossa. The clinical impression was of a lipoma. Imaging showed a cystic lesion with continuity of a tubular structure leading to the carotid sheath. Cytology was consistent with thoracic duct sampling. A diagnosis of the rare entity of a thoracic duct cyst with supraclavicular extension was made. This was managed conservatively via repeated aspirations which reduced the size of the mass.

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Section: Discussionmentioning

confidence: 99%

“…A high suspicion for CTDC should be acknowledged if the fluid contents show high lymphocytes, triglycerides and chylomicrons (fat content 0.4%–4%) 7 9. Lymphoangiography was previously deemed gold standard for imaging of the thoracic duct.…”

Section: Discussionmentioning

confidence: 99%

Cervical thoracic duct cyst: a conservative resolution

et al. 2022

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A case of a thoracic duct cyst extending from the mediastinum to the cisterna chyli resected using bilateral thoracoscopic surgery in the prone position

Miyamoto,

Lee,

Ishidate

et al. 2023

surg case rep

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Background Thoracic duct cysts are extremely rare mediastinal tumors. We report a case of a thoracic duct cyst extending from the caudal aspect of the left main bronchus to the left renal artery that was safely and completely resected via bilateral thoracoscopic surgery in the prone position. Case presentation A 77-year-old male was referred to our hospital for follow-up computed tomography (CT) of prostate cancer, which revealed a mediastinal tumor and fatty low-density along the posterior mediastinum of the para-aortic artery with a slightly high-density component. Magnetic resonance imaging revealed a T2-weighted image with high intensity. The preoperative radiological diagnosis was lipoma or well-differentiated liposarcoma. CT in the prone position suggested that the tumor could be resected from the thoracic cavity to the caudal side, and bilateral thoracoscopic surgery was performed in the prone position. Based on the surgical findings, the tumor was diagnosed as a thoracic duct cyst rather than a lipoma. Dissection around the thoracic duct cyst was performed using a vessel-sealing system to prevent leakage of the chyle, and reliable clipping was performed to resect the cisterna chyli. Histopathological examination revealed smooth muscle structures around the cyst, suggestive of a thoracic duct cyst. The diagnosis of a thoracic duct cyst was made based on a high triglyceride level of 1310 mg/dL on examination of the milky-white cyst fluid. The patient's postoperative course was uneventful, and he was discharged 4 days postoperatively. A CT scan performed 13 months after surgery showed no recurrence. Conclusions A rare thoracic duct cyst extending from the mediastinum to the cisterna chyli was safely and completely resected using bilateral thoracoscopic surgery, with the patient in the prone position.

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Multiple thoracic duct cysts: an unusual CT finding

Cited by 2 publications

References 6 publications

Cervical thoracic duct cyst: a conservative resolution

Cervical thoracic duct cyst: a conservative resolution

A case of a thoracic duct cyst extending from the mediastinum to the cisterna chyli resected using bilateral thoracoscopic surgery in the prone position

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