J Korean Assoc Pediatr Surg.  2015 Dec;21(2):42-45. 10.13029/jkaps.2015.21.2.42.

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

• Kim SH
• Cho YH
• Kim HY
• Lee YJ
• Park JH

• KMID: 2133790
• DOI: http://doi.org/10.13029/jkaps.2015.21.2.42

Abstract

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.

Keyword

Gastric teratoma; Gastrointestinal bleeding; Infant

MeSH Terms

Endoscopy, Gastrointestinal
Follow-Up Studies
Hematemesis
Hemorrhage*
Humans
Infant*
Male
Melena
Recurrence
Stomach
Teratoma*

Figure

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  Fig. 1 Endoscopic finding shows multi-lobulated polypoid mass with oozing at upper body of stomach.

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  Fig. 2 Gross finding shows 4.2×3.4×3.0 cm sized multi-lobulated mass, with both exo- and endophytic growth.

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  Fig. 3 Microscopic findings. (A) All 3 germ layer tissues; black arrow, squamous epithelium lined cystic lesion from ectoderm; black arrowhead, cartilage from mesoderm; white arrow, small intestinal epithelium from endoderm (H&E, ×40). (B) Ectoderm origin tissues; black arrow, squamous epithelium; black arrowhead, sebaceous gland (H&E, ×100). (C) Mesoderm origin tissue; cartilage (H&E, ×100). (D) Endoderm origin tissue; gastrointestinal epithelium (H&E, ×100).

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