Giant mesenteric teratoma in a 6 month-old

Alwakid, Ibrahim H.; Madni, Misheal; Gupta, Rajendra Kumar; Seada, Laila; Alfayez, Adel Ahmed; Tallaa, Amjad Tallaa Ali

doi:10.1016/j.epsc.2017.09.021

Cited by 4 publications

(3 citation statements)

References 11 publications

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“…Intraabdominal teratomas are usually discovered postnatally 1 . Differential diagnoses include ovarian or mesenterial cysts, liver hemangiomas, 53 fetus‐in‐fetu 53‐56 as well as testicular teratoma as in our study. Long‐term outcome after tumor resection is usually very good.…”

Section: Discussionsupporting

confidence: 49%

Fetal teratomas – A retrospective observational single‐center study

et al. 2020

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Objective Evaluation of course and outcome of pregnancies with prenatally diagnosed fetal teratomas of various locations in a single center between 2002 and 2019. Methods Retrospective observational single‐center study including prenatally suspected or diagnosed fetal teratomas. Focus was put on ultrasound findings during pregnancy. Complications, need for intervention and outcomes were compared according to tumor location. Results 79 cases of fetal teratomas were seen at our center between 2002 and 2019. Most frequent tumor locations were the sacrococcygeal region (59.5%), neck (20.2%) and oropharynx (7.6%). Complications mainly included polyhydramnios and cardiac compromise. Need for intervention during pregnancy was significantly higher in pericardial teratomas. Preterm birth before 37 and early preterm birth before 32 weeks occurred in 72.7% and 29.1%, respectively. Major causes of perinatal death were tumor bleeding in sacrococcygeal teratomas (SCTs) and respiratory failure in cervical and oropharyngeal teratomas. Conclusion There is a high need for intervention in pregnancies complicated by fetal teratomas. Pericardiocentesis in pericardial teratomas is often inevitable to reduce the risk of intrauterine demise. Amniotic fluid drainage in associated severe polyhydramnios helps to reduce the risk of preterm birth, a major cause of additional morbidity and mortality. MRI in supplement to prenatal ultrasound is useful in fetal teratomas of the neck and oropharynx in order to plan delivery.

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Section: Discussionsupporting

confidence: 49%

Fetal teratomas – A retrospective observational single‐center study

et al. 2020

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“…Early complete surgical excision is the treatment of choice. Mesenteric teratoma is extremely rare [26]. We encountered only one case in our series.…”

Section: Discussionmentioning

confidence: 76%

Extra-Gonadal Teratomas in Atypical Sites in Neonates and Children – Our Experience and Review of the Literature

Mukhopadhyay¹,

Mandal²,

Das³

et al. 2021

COR

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Background: Extra-gonadal teratomas are rare tumors in Pediatric surgical practice. We studied the teratomas of atypical sites attended in our tertiary care center. Aim: Aim of the study was to find out the incidence of pediatric teratomas in atypical sites, clinical presentation and histological variation. Material and Methods: Over 15 years (January 2005 to December 2020), 29 cases of pediatric teratomas in atypical sites were studied. These sites included neck (number-one), retroperitoneum (number-fourteen), adrenal gland (number-two), renal (number-two), gastric(number-three), pancreas (number-one), pulmonary (number-one), floor of the mouth(number-one), oral (number-two), abdominal wall (numberone) and the mesentery (number-one). Patients were treated in the Department of Pediatric Surgery and specimens were reviewed in the Department of Pathology. Age, sex, clinical presentation, investigations (all patients had complete blood examination and alpha-fetoprotein) and imaging (USG of the local part and CECT as guided by the organ of involvement). Results: 29 pediatric teratomas in uncommon sites were reviewed. Out of 14 cases of retroperitoneal teratoma, three were immature. Cervical teratoma in a neonate was mature. Three cases of gastric teratomas were reported as mature. Two cases of adrenal teratomas also showed the histological features of mature teratoma. Renal teratomas (two) were benign. One each of pulmonary teratoma, pancreas and floor of the mouth were reported as mature. Two patients presented with oral teratoma were reported as mature teratomas. One patient had teratoma arising from the abdominal wall and was resected completely (mature teratoma). Teratoma arising from the mesentery also underwent complete resection. Conclusion: A small percentage of Pediatric teratomas occur in atypical sites. In our series, retroperitoneal tumors were predominant. Early surgical excision is the treatment of choice. Malignant change is known to occur in Pediatric teratoma and the patients need long term follow-up.

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“…Teratoma in children usually has no specific characteristic signs or symptoms. There are different clinical presentations based on the size and location of the tumor, but their main presentation is abdominal distension or a palpable abdominal mass [11]. To the best of our literature search, there are only a few cases of retroperitoneal teratoma in children, large enough to cause hydronephrosis by the pressure effect of the mass [12][13][14][15] (Table 1).…”

Section: Case Reports In Oncologymentioning

confidence: 99%

Large Retroperitoneal Teratoma Presenting with Unilateral Hydronephrosis in an Infant: A Case Report and Review of the Literature

Safaei,

Kamran,

Anbardar

et al. 2023

Case Rep Oncol

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Teratoma is a type of germ cell tumor layer that appears in the gonadal, sacrococcygeal, mediastinal, and retroperitoneal regions. Primary retroperitoneal teratoma is rare and asymptomatic but can present with symptoms due to a mass effect on neighboring organs. These tumors have to be considered in the differential diagnosis of a mass in the abdominal cavity of children to distinguish between Wilms’ tumor, neuroblastoma, and other intra-abdominal lesions. We presented an infant boy with protrusion of the left upper quadrant of the abdomen and a palpable abdominal mass that had progressively enlarged. An abdominal computed tomography scan revealed a large retroperitoneal cystic, solid mass on the left side of the abdominal cavity, causing pressure on the left ureter. Also, hydronephrosis of the left kidney was seen with a decreased enhancement of the left kidney due to obstruction uropathy. The mass was suspicious on imaging for a retroperitoneal teratoma. The patient underwent laparotomy, and excision of the huge retroperitoneal mass was done. The final diagnosis was an immature teratoma grade 3, and the patient was discharged in good condition. Retroperitoneal teratomas are rare tumors in infants. These tumors would be an incident diagnosis or diagnosed by the mass effect of giant tumors on other organs. They must be considered in the differential diagnosis of intra-abdominal tumors in children. Hydronephrosis and obstructive uropathy can be rare consequences of the mass effects of these tumors.

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Giant mesenteric teratoma in a 6 month-old

Cited by 4 publications

References 11 publications

Fetal teratomas – A retrospective observational single‐center study

Fetal teratomas – A retrospective observational single‐center study

Extra-Gonadal Teratomas in Atypical Sites in Neonates and Children – Our Experience and Review of the Literature

Large Retroperitoneal Teratoma Presenting with Unilateral Hydronephrosis in an Infant: A Case Report and Review of the Literature

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