Incidental large retroperitoneal teratoma in a patient with colorectal carcinoma

Narasimhan, Vignesh; Smith, Marty; Claydon, Matthew H.; Wale, Roger; Warrier, Satish

doi:10.1111/ans.13906

Cited by 3 publications

(5 citation statements)

References 7 publications

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“…If the intraoperative fast frozen biopsy examination indicates malignancy, the surgical resection scope should be expanded. If the intraoperative tumor is found to invade the surrounding tissues or organs, multiple departments can cooperate to carry out multiple organ resection, supplemented by radiotherapy and chemotherapy to improve treatment efficacy (22,23). In the present case, the combined findings of CT and other preoperative examinations could not rule out the possibility of an adrenal tumor, although GST was clinically suspected and despite the fact that there was no history of hypertension.…”

Section: Discussionmentioning

confidence: 63%

Retroperitoneal teratoma misdiagnosed as a gastric stromal tumor: A case report

Gan

Huang

2020

mol clin onc

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The misdiagnosis of retroperitoneal teratoma as a gastric stromal tumor is rarely reported. There are numerous abdominal organs, and retroperitoneal tumors are easily concealed by organs situated more anteriorly on the abdomen; therefore, retroperitoneal tumors are easily misdiagnosed as human digestive system tumors by abdominal surgeons. We herein present the case of a 39-year-old female patient who was diagnosed with a gastric stromal tumor (GST) on preoperative examination, whereas the postoperative diagnosis was retroperitoneal mature cystic teratoma. Such cases are clinically rare. In the present case, the tumor was located in the retroperitoneum, near the lesser gastric curvature, without an obvious gap. The anterior surface of the tumor was concealed by the lesser gastric curvature and did not move significantly with breathing and changes in posture. In such cases, a preoperative misdiagnosis is very likely. The aim of the present study was to improve our understanding of the presentation of retroperitoneal teratomas, thereby gaining more clinical experience and hopefully reducing the rate of misdiagnosis.

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Section: Discussionmentioning

confidence: 63%

Retroperitoneal teratoma misdiagnosed as a gastric stromal tumor: A case report

Gan

Huang

2020

mol clin onc

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“…Teratomas develop from the three embryonic germ layers. 1 There are two variants: cystic teratomas which are composed of fully mature elements and are usually benign and solid teratomas which are more likely to be malignant. 9 , 10 Primary retroperitoneal teratomas constitute 1 to 11% of retroperitoneal neoplasms and are most commonly found in neonates and in young adults.…”

Section: Discussionmentioning

confidence: 99%

“…Teratomas develop from the three embryonic germ layers 1 . There are two variants: cystic teratomas which are composed of fully mature elements and are usually benign and solid teratomas which are more likely to be malignant 9,10 .…”

Section: Discussionmentioning

confidence: 99%

“…Teratomas are uncommon neoplasms that comprise a mixed dermal elements derived from the three germ cell layers. 1 , 2 They can be mature benign without malignant cells or immature with malignant cells. 3 They commonly occur in the sacrococcygeal region in children and in gonads in adults especially in women.…”

Section: Introductionmentioning

confidence: 99%

“…Teratomas are uncommon neoplasms that comprise a mixed dermal elements derived from the three germ cell layers 1–2 . They can be mature benign without malignant cells or immature with malignant cells 3 .…”

Section: Introductionmentioning

confidence: 99%

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