Immature Gastric Teratoma

Selvarajan, Namasivayam; Kathirvelu, Gopinathan; Ramalingam, Thulasi Raman; Mokrala, Uday Bhaskar Srinivasa; Karunakaran, Prabhu; Tharanendran, Heera

doi:10.4103/jiaps.jiaps_36_21

Cited by 1 publication

(1 citation statement)

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“…Neonates with gastric teratomas have reported higher survival rates compared to other types of neonatal teratomas [6]. Elevated levels of alpha-fetoprotein (AFP) can be detected preoperatively, which is synthesized in the fetal liver, yolk sac and gastrointestinal tract, whereas teratomas may contain intestinal tissue, and AFP > 100 ng/dl is an excellent indicator of the presence of malignant components such as yolk sac elements [7]. Therefore, serum AFP levels are helpful for diagnosing tumors, identifying malignant transformations, and detecting postoperative recurrence or residual tumor, but its predictive value as a marker for assessing the malignant potential of immature gastric teratomas is uncertain [8].…”

Section: Discussionmentioning

confidence: 99%

Prenatal and Postnatal Ultrasonographic Characteristics of Immature Teratoma in the Gastric Wall: a case report

chen,

huang,

xiong

2024

Preprint

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Background: Teratomas are germ cell tumors derived from three embryonic germ layers. Most of them are benign mature teratomas and are frequently observed in the sacrococcygeal region, gonads, and mediastinum, the occurrence of immature teratomas in the gastric wall is extremely rare. Case summary: A 31-year-old pregnant woman's ultrasound at 36 weeks revealed a mass in the fetus's left mid-abdominal cavity. An immature teratoma originating from the stomach wall was suggested by neonatal CT and ultrasound scans. The neonate successfully underwent tumor excision, with pathology affirming the diagnosis. Conclusions: Immature gastric teratomas are rare tumors with malignant potential. Their diagnosis leans heavily on ultrasonographic features and histopathology. The case highlights the diagnostic utility of prenatal ultrasound. Currently, total resection of the tumor is the recommended treatment.

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Section: Discussionmentioning

confidence: 99%