Immature Gastric Teratoma in an Infant: A Case Report

A teratoma is the most common germ cell tumor in children; however, a gastric teratoma is very rare. An immature gastric teratoma has malignant potential; therefore, it should be removed surgically and followed up routinely to assess for recurrence by performing imaging studies and estimating serum alpha-fetoprotein (AFP) level. We describe the case of a 2-day-old male neonate with abdominal distension and a palpable mass. He underwent surgical resection of a tumor that was diagnosed as an immature gastric teratoma.

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“…It commonly arises in the sacrococcygeal (60-65%), gonadal (10-20%), mediastinal (5-10%), and presacral (5%) regions 3) .…”

Section: Discussionmentioning

confidence: 99%

“…Gastric teratomas occur very rarely (<1%) 3) . Teratomas are more common in boys; the reason for this is unknown 4) .…”

Section: Discussionmentioning

confidence: 99%

Immature Gastric Teratoma in a Newborn: A Case Report

et al. 2017

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“…The most common site of occurrence for teratomas in infancy and childhood is the sacrococcygeal region (60%-65%). Following this are the gonadal region (10%-20%), mediastinal region (5%-10%), presacral region (5%), and intracranial, retroperitoneal, cervical regions (＜5%) [3]. Gastrointestinal teratomas are an extremely rare disease and gastric teratomas comprise less than 1% of all teratomas [1,2].…”

Section: Discussionmentioning

confidence: 99%

“…The rest are made up of masses that are both endogastric (9%) and exogastric (26%) [3]. Most tumors were reported to be located at posterior wall of the stomach or along the greater curvature [2,7].…”

Section: Discussionmentioning

confidence: 99%

Mature Cystic Gastric Teratoma in an Infant: A Case Presenting with a Gastrointestinal Bleeding

Kim

Cho

Kim

et al. 2015

J Korean Assoc Pediatr Surg

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Gastric teratoma is an extremely rare tumor that accounts for less than 1% of all teratomas. Gastric teratoma is mostly presented as a palpable abdominal mass, and is rarely accompanied with gastrointestinal bleeding such as melena or hematemesis. A 5-month-old male infant was brought with a history of pale facial color and dark-colored stool. The hemoglobin level was at 6.1 g/dL, with melena having begun 1 month previous. Upper gastrointestinal endoscopy revealed a polypoid mass with bleeding at the upper body and lesser curvature of the stomach. Wedge resection of the stomach was performed and histopathological analysis confirmed the mass to be a mature cystic teratoma. There was no recurrence after the operation during follow-up.

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“…To our knowledge, 102 cases of gastric teratomas have been reported worldwide (2,3). In the most current literature, 2 cases occurring in a pediatric patient with an immature gastric teratoma have been reported (1,4,5). We report here on a case of exogastric mature teratoma that occurred in a 12-month-old boy.…”

mentioning

confidence: 88%