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Port-site implantation of Type A Masaoka Stage   I thymoma aftervideo-assisted thoracic surgery: a case report

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ABSTRACT

A 60-year-old woman was referred to our hospital with an anterior mediastinal tumormeasuring 3.5 cm in diameter on computed tomography (CT). We performed tumorresection by video-assisted thoracic surgery (VATS) with three ports. The finaldiagnosis was Type A Masaoka Stage I thymoma. On follow-up CT performed 36 monthsafter the operation, two pleural tumors were detected at the port sites through whichthe forceps and ultrasonic scalpel had passed repeatedly during the operation. Wetherefore performed a second operation and enucleated the tumors while preserving theribs. However, other tumor tissue was detected along the surgical marginal lineduring the pathological diagnosis after the operation. Surgeons should thus be awarethat port-site recurrence can occur after VATS resection of Type A thymoma, despiteits mild biological behavior. Wide resection of the chest wall is thereforerecommended for operations of port-site recurrence after VATS thymectomy.

No MeSH data available.


Follow-up CT at 36 months after the operation revealed two pleural tumorslocating at the second (a) and third (b) ports usedin the VATS operation.
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rjw164F2: Follow-up CT at 36 months after the operation revealed two pleural tumorslocating at the second (a) and third (b) ports usedin the VATS operation.

Mentions: Follow-up CT performed 36 months after the operation revealed two pleural tumors locatednear the second and third ports (Fig. 2a andb). We suspected the pleural recurrence of thymoma and performed a second operation.Initially, the operation was performed only by VATS with three ports. After removing thesevere adhesion between the lung and chest wall, we were able to identify the twotumors. As with the extrapleural tumor, the tumors arose from the intercostal space.Their surfaces were covered with parietal pleura with partial irregularity (Fig. 3). There were no other recurrent findings inthe thoracic cavity. Given these findings, we diagnosed these tumors as port-siteimplantations after the first VATS. Figure 2:


Port-site implantation of Type A Masaoka Stage   I thymoma aftervideo-assisted thoracic surgery: a case report
Follow-up CT at 36 months after the operation revealed two pleural tumorslocating at the second (a) and third (b) ports usedin the VATS operation.
© Copyright Policy - creative-commons
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC5036355&req=5

rjw164F2: Follow-up CT at 36 months after the operation revealed two pleural tumorslocating at the second (a) and third (b) ports usedin the VATS operation.
Mentions: Follow-up CT performed 36 months after the operation revealed two pleural tumors locatednear the second and third ports (Fig. 2a andb). We suspected the pleural recurrence of thymoma and performed a second operation.Initially, the operation was performed only by VATS with three ports. After removing thesevere adhesion between the lung and chest wall, we were able to identify the twotumors. As with the extrapleural tumor, the tumors arose from the intercostal space.Their surfaces were covered with parietal pleura with partial irregularity (Fig. 3). There were no other recurrent findings inthe thoracic cavity. Given these findings, we diagnosed these tumors as port-siteimplantations after the first VATS. Figure 2:

View Article: PubMed Central - HTML - PubMed

ABSTRACT

A 60-year-old woman was referred to our hospital with an anterior mediastinal tumormeasuring 3.5 cm in diameter on computed tomography (CT). We performed tumorresection by video-assisted thoracic surgery (VATS) with three ports. The finaldiagnosis was Type A Masaoka Stage I thymoma. On follow-up CT performed 36 monthsafter the operation, two pleural tumors were detected at the port sites through whichthe forceps and ultrasonic scalpel had passed repeatedly during the operation. Wetherefore performed a second operation and enucleated the tumors while preserving theribs. However, other tumor tissue was detected along the surgical marginal lineduring the pathological diagnosis after the operation. Surgeons should thus be awarethat port-site recurrence can occur after VATS resection of Type A thymoma, despiteits mild biological behavior. Wide resection of the chest wall is thereforerecommended for operations of port-site recurrence after VATS thymectomy.

No MeSH data available.